Features:
2 channels output digital audio power amplifier.
3.5mm & RCA(L & R) & USB & SD input interfaces.
3 modes (USB, AUX, FM) converting freely.
VOLUME, TREBLE and BASS adjusting knobs.  
Remote controller and display screen for convenient usage.
Made of aluminum alloy, lightweight and durable.

Specifications:
Color: Red
Material: Aluminum Alloy
Output Power: 2 * 20W 1KHz
Bass/ Treble Control: ±10db
Frequency Response: 20Hz-20KHz
Total Harmonic Distortion: < 0.5%
Signal to Noise Ration: ≥ 85dB
FM: 87.5MHZ-108MHZ
The Signal Level: 220MV 47K
Input Voltage: DC 12V 5A
Item Size: 15.5 * 7.5 * 4.5cm / 6.1 * 3 * 1.8in
Item Weight: 250g / 8.8oz
Package Size: 16 * 11 * 5cm / 6.3 * 4.3 * 2in
Package Weight: 320g / 11.3oz

Note:
Power adapter is not included.

Package List:
1 * Power Amplifier
1 * Remote Controller
1 * Cable