Features:
1. DC 12V power supply for cars and motorcycles.
2. Treble / bass / volume control.
3. CD DVD MP3 input.
4. Power on/off control.
5. Two main channel outputs.
6. Professional level input operational amplifier IC for circuit design, sound, transparent, bright.
7. Four electronic keyboard controls to help you operate the amplifier easily.
8. Use high-power four-channel professional power amplifier integrated circuit, with low distortion and strong power.
9. Filtering and high-capacity power circuits.
10. Four sound field modes of DSP.

Specification:
Jack input: standard stereo jack
Input voltage: DC 12V
Output power: RMS 2 x 20W 1KHz
Frequency response: 20Hz - 20kHz
Signal to noise ratio: 85 decibels
High control: 12dB + / - 10KHz
Bass control: 12dB ± 100Hz
Signal level: 220MV 47K
Material: Aluminum alloy casing
Voltage: DC 12V 2A or
Port: 2.1 * 5.5mm
Material: aluminum alloy
Special features: supports USB, MP3, FM, SD, DVD
Product size (length x width x height): about 12.50*7.00*4.00cm/4.92*2.76*1.57in
Package size (length x width x height): about 13.00*10.00*4.50cm/5.12*3.94*1.77in
Color: Blue, Red(optional)

Package List:
1 * HY - 2001 Car Amplifier
1 * English User Manual