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There is still noise after troubleshooting the above two points，Please confirm the noise
mobile phone
Frequency response 20Hz-20KHz（±1dB）
the smaller the relative sound power
you will still be disturbed when using your mobile phone as a signal source
AIYIMA Decoder Amplifier Size:Amplifier + 48v UK Power Supply There is still noise afterProduct descriptions: AIYIMA Amplifier:Stereo Max. output power: 2x300W (@4 0hm)Stereo Speaker impedance: 4 8 OhmSupply power : DC24 48V , 5A or more. 3. 5mm AUX Maximum Output level: 2. 3VFrequency response: 20 Hz ~ 20KHz1dBfor Speaker outputFrequency response: 20 Hz ~ 20KHz0. 5dBfor AUX outputS N ratio: 104 dBCOA OPT USB inputS N ratio: 100 dBBT RCA inputTHD: 0. 008%(@1W)COA OPT USB inputTHD: 0. 015%(@1W)BT RCA inputInput sensitivity: 0dBFS 0.
US$ 149.50
US$ 149.50
US$ 149.50
