Specifications

Amplifier Power: 2 × 2W (THD + N = 10%， f0 = 1KHz)
Amplifier frequency response: with EQ adjustment， this item data NA (reference curve)
SNR dB (A): ≥85dBA (THD + N = 1%)
Distortion: ≤0.5% (P0 = 1 / 2P1， P1 for THD = 1% output power)
Channel separation: (dB): ≥45dB (THD + N = 1%)
Input Sensitivity: 600 ± 50mV (THD + N = 1% (DC 5V power supply))
Audio input port: AUX IN， SD card playback， Bluetooth
Adjustment mode: the key regulator
Transformer Output Power: Lithium Polymer rechargeable battery 950mAh 3.7V or DC5V