{"product_id":"aiyima-audio-a07-max-stereo-amplifier-300w-x2-tpa3255-power-amp-2-channel-bridgeable-mono-600w-amplifier-for-passive-speaker","title":"AIYIMA Audio A07 MAX Stereo Amplifier 300W X2 TPA3255 Power Amp 2 Channel Bridgeable Mono 600W  Amplifier for Passive Speaker","description":"\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"relatedProduct\" id=\"22371806\" title=\"\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\r\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e  \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003ca href=\"https:\/\/www..com\/item\/1005007138729778.html\" target=\"_self\" class=\"\"\u003e\u003c\/a\u003e \n \u003cbr\u003e \n \u003ca style=\"color:rgb(88, 176, 207);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"https:\/\/www..com\/item\/1005004924969597.html\" target=\"_self\" class=\"\"\u003e\u003c\/a\u003e \n \u003cbr\u003e \n \u003ca style=\"color:rgb(255, 255, 255);background-color:transparent;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" href=\"https:\/\/www..com\/item\/1005004521795196.html\" target=\"_self\" class=\"\"\u003e\u003c\/a\u003e \n\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;font-weight:400;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" align=\"left\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;font-weight:400;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" align=\"left\"\u003e \n \u003cbr\u003e \n  \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e \n \u003cdiv\u003e \n  \u003cbr\u003e \n  \u003cbr\u003e \n  \u003cstrong\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eFeature\u003c\/span\u003e\u003c\/strong\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eModel : AIYIMA A07 MAX\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eProduct name:A07 MAX TPA3255 Power Amplifier\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eStereo Max Output Power\u003cbr\u003e(switch stereo mode):\u003cbr\u003e300Wx2 \/ 4Ω\u003cbr\u003e（48V\/12A）\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eMono Max Output Power\u003cbr\u003e(switch mono mode):\u003cbr\u003e600W\/ 2Ω\u003cbr\u003e（48V\/12A）\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e\u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e(R+ connect to speaker +, L+ connect to speaker -)\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eWorking Voltage:DC24-48V,5A or more\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e\u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eReplaceable Op-Amp Chips:OPA2604AP, OPA2134, MUSEO1\/02\/03, LME49720NA, LM4562, AD827AQ, etc\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eAUX OUT: active nsubwoofer or power amplifier\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e3.5mm AUX OUT as output connect to next amplifier without volume control\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eTHD+N:0.007%\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eSNR:≥110dB\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eInput sensitivity:1V\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eAUX Maximum Output level:1V\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eFrequency response 20Hz-20KHz（±1dB）\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e \n  \u003cstrong\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003ePackage included:\u003c\/span\u003e\u003c\/strong\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e1*A07 MAX Amplifier\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e1*User's Manual\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e1*Power Adapter(Optional)\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e\u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e\u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: All my cables are connected, but there is no sound output?\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eA: 1. Check if the machine has started and if the indicator light is on.\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e2. Is the selection of mono\/stereo mode and the connection of the speaker interface correct.\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e3. If the above two points are normal, check whether the playback device of the input sound\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003esource is paused, muted, or the volume is at the minimum.\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eQ: Why is the sound distorted?\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eA: The input level may be too large. If the volume of the sound source equipment is adjusted\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eto the maximum, and the volume of the machine is also adjusted to the maximum, it is\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eeasy to be distorted. At this time, turn down the volume of the sound source input device\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eor machine.\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eQ: Why does the volume of the machine remain the same, but the sound level\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eis different when connecting to different audio sources (for example,connect a CD first, then a mobile phone)?\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eA: The amplitude of electrical signals output by different playback devices is different. For\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eexample, mobile phones are usually 0.35V, while CDs are 1V. The natural sound size is different.\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eQ: Why does the horn emit a loud electrical current sound or buzzing sound?\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eA: 1. If you are not using the original standard power supply, please replace the power supply\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e\u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eand test again.Many power supplies in the market have interference, which will cause current sound.\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e2. When the signal line without shielding is used, there will be interference signals entering\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003ethe power amplifier for amplification. It is recommended that you replace the signal line with shielding.\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e3. There is still noise after troubleshooting the above two points,Please confirm the noise\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eis from the external or the internal. Disconnect all inputs, only retain the power supply\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eand output cable, if the noise disappears, that means the noise is from the audio input.\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eIf the noise is still there, the noise may be caused by interference with the power supply\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eor generated inside the amplifier\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eQ: Why there is no sound or very little sound after the amplifier is connected to the speaker?\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eA: 1. Please check the audio source has been turned on and the volume is not at the minimum.\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e2. Please confirm whether the speaker and amplifier match ( For example, the speaker is\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003efixed resistance or fixed voltage, the power of speaker is too much over the power of the\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eamplifier etc).\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eQ: What are the reasons for the unbalanced left and right volume of the speakers and how to eliminate them?\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eA: Please check audio source, input cable, volume potentiometer (some amplifiers have\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003ebalanced control or separate volume control of left and right channel ), speaker cable,\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003espeakers (whether the position and the distance is symmetrical) and other factors.\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003eQ: Why is there a thumping sound when swithing on\/off?\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eA: Please confirm the on-off sequence is correct, normally it follows the order of signal\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003e\u003cbr\u003etransmission when turn on: audio source → preamp \/ DAC → amplifier → speaker. (The\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003esequence is reversed when switching off. As the internal capacitors will be discharged for a\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003ewhile after shutdown. If turn off the preamp firstly and then turn off amplifier, impact\u003c\/span\u003e \n \u003c\/div\u003e \n \u003cdiv style=\"font-size:13px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(51, 51, 51)\" align=\"start\"\u003e \n  \u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003esound will be easily caused which may damage the amplifier or speaker in severe cases).\u003c\/span\u003e \n \u003c\/div\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e \n \u003cdiv\u003e \n  \u003cbr\u003e \n  \u003cbr\u003e \n   \n \u003c\/div\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cbr\u003e \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n \u003cbr\u003e \n  \n \u003cbr\u003e \n  \n \u003cbr\u003e \n \u003cbr\u003e \n \u003cbr\u003e \n  \n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"dropship-description-images\" style=\"margin-top:24px;display:grid;gap:16px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0902\/5142\/7874\/files\/A49faea1ed97c43da9c3e5b82af0cccba9.webp?v=1790215818\" loading=\"lazy\" style=\"display:block;width:100%;max-width:900px;height:auto;margin:0 auto;\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0902\/5142\/7874\/files\/Ab9d59306de1b4e87ae5d51215781dc7bf.webp?v=1790215818\" loading=\"lazy\" style=\"display:block;width:100%;max-width:900px;height:auto;margin:0 auto;\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0902\/5142\/7874\/files\/S9116f5c2e08c4da19d2ab6b9aad58283D.webp?v=1790215818\" loading=\"lazy\" style=\"display:block;width:100%;max-width:900px;height:auto;margin:0 auto;\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0902\/5142\/7874\/files\/Ada96a0bd191f4e23b8837bbe3dbc51c0g.webp?v=1790215818\" loading=\"lazy\" style=\"display:block;width:100%;max-width:900px;height:auto;margin:0 auto;\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0902\/5142\/7874\/files\/A5c1ac19558db420987313d117bde11a0j.webp?v=1790215818\" loading=\"lazy\" style=\"display:block;width:100%;max-width:900px;height:auto;margin:0 auto;\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0902\/5142\/7874\/files\/Ad5e257a9511b46a3b6c9f71094787843j.webp?v=1790215818\" loading=\"lazy\" style=\"display:block;width:100%;max-width:900px;height:auto;margin:0 auto;\" alt=\"\"\u003e\n\u003c\/div\u003e","brand":"Pin \u0026 Tumbler","offers":[{"title":"With DC36V EU Plug \/ China Mainland","offer_id":50430377033762,"sku":"ALI-1005006203414549-12000036255148052","price":161.79,"currency_code":"USD","in_stock":true},{"title":"with 48V UK Plug \/ China Mainland","offer_id":50430377066530,"sku":"ALI-1005006203414549-12000036255148059","price":187.23,"currency_code":"USD","in_stock":true},{"title":"with 48V US Plug \/ China Mainland","offer_id":50430377099298,"sku":"ALI-1005006203414549-12000036255148038","price":173.82,"currency_code":"USD","in_stock":true},{"title":"with 48V AU Plug \/ China Mainland","offer_id":50430377132066,"sku":"ALI-1005006203414549-12000036255148045","price":173.82,"currency_code":"USD","in_stock":true},{"title":"No Power plug \/ China Mainland","offer_id":50430377164834,"sku":"ALI-1005006203414549-12000036255148087","price":115.16,"currency_code":"USD","in_stock":true},{"title":"with 36V UK Plug \/ China Mainland","offer_id":50430377197602,"sku":"ALI-1005006203414549-12000036255148080","price":161.79,"currency_code":"USD","in_stock":true},{"title":"No Power plug \/ brazil","offer_id":50430377230370,"sku":"ALI-1005006203414549-12000036255148093","price":98.39,"currency_code":"USD","in_stock":false},{"title":"With DC36V US Plug \/ China Mainland","offer_id":50430377263138,"sku":"ALI-1005006203414549-12000036255148066","price":173.96,"currency_code":"USD","in_stock":true},{"title":"With DC36V AU Plug \/ China Mainland","offer_id":50430377295906,"sku":"ALI-1005006203414549-12000036255148073","price":161.79,"currency_code":"USD","in_stock":true},{"title":"With DC32V EU Plug \/ China Mainland","offer_id":50430377328674,"sku":"ALI-1005006203414549-12000036255148017","price":166.01,"currency_code":"USD","in_stock":true},{"title":"With DC32V AU Plug \/ China Mainland","offer_id":50430377361442,"sku":"ALI-1005006203414549-12000036255148031","price":166.01,"currency_code":"USD","in_stock":true},{"title":"With DC32V UK Plug \/ China Mainland","offer_id":50430377394210,"sku":"ALI-1005006203414549-12000036255148024","price":166.01,"currency_code":"USD","in_stock":true},{"title":"with 48V EU Plug \/ China Mainland","offer_id":50430377426978,"sku":"ALI-1005006203414549-12000036255148003","price":187.23,"currency_code":"USD","in_stock":true},{"title":"with 48V EU Plug \/ brazil","offer_id":50430377459746,"sku":"ALI-1005006203414549-12000036255148009","price":148.67,"currency_code":"USD","in_stock":true},{"title":"With DC32V US Plug \/ China Mainland","offer_id":50430377492514,"sku":"ALI-1005006203414549-12000036255148010","price":166.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/5142\/7874\/files\/A49faea1ed97c43da9c3e5b82af0cccba9.webp?v=1790215818","url":"https:\/\/pinandtumblr.com\/products\/aiyima-audio-a07-max-stereo-amplifier-300w-x2-tpa3255-power-amp-2-channel-bridgeable-mono-600w-amplifier-for-passive-speaker","provider":"Pin and Tumbler","version":"1.0","type":"link"}