PRODUCT NAME：Sound Amplifier Specification
1.It has two digital inputs (USB port and SD card).
2. This all-in-one amplifier is also equipped with a digital equalizer with many functions (bass, treble, etc ...) adjustable directly from the rotary encoder
3. It Sound Amplifier will prove to be the ideal companion for any digital source.
4. Its Sound Amplifier ergonomics and its compactness are not insignificant assets to which is added its versatility.
|Front Panel Rear Panel|
1, Aux input 1, 12V DC power input terminals
2, MIC1,2 input 2, Low impedance outputs, 4～8 ohms
|3, SD card,USB port|
|4, Power switch&LED indicator|
|5, AUX volume control|
|6, MIC1,2 volume control|
|7, Long press:volume down|
|short press:prev song|
|8, Play/Pause control|
|9, Long press:volume up|
|short press:next song|
|Frequency response||Mic:100Hz-20 kHz Line:30Hz-20 kHz|
|THD at 1 kHz||less than 1%|
|Inputs||Input 1,2 Mic:5mV|
|Input 3 AUX:245mV|
|Signal-to-noise ratio||Mic: > 70 dB Line: > 80 dB|
|Power supply||12-16V DC|