Main Features:- Can play MP3 format music from U disk and SD / MMC card directly， support FM stereo radio
- Selected high-power four-channel professional power amplifier integrated circuits， minimal distortion but strong power
- Amateur professional level input operational amplifier IC for circuit design， sound transparent and bright
- Filtering and anti-large-capacity power circuit
- DSP sound field pattern of the four
- Two main channel and tow surround channel output

Specification:
- Input voltage: DC 12V
- Frequency response: 20Hz - 20KHz
- Harmonic distortion: 0.05pct and less ( 4W 1KHz )
- High control: 12dB
- Bass control: 12dB
- Signal level: 220MV 47K
- FM frequency response: 87.5 - 108MHz Design: Car
Compatible with: MP3
Supports: Loudspeaker，Remote Control
Functions: Songs Track
Connection: Wired
Interface: 3.5mm Audio
Audio Source: Electronic Products with 3.5mm Plug
Material: Aluminum Alloy
Color: Red Package weight: 0.308 kg
Product size (L x W x H): 15.50 x 12.00 x 4.00 cm / 6.1 x 4.72 x 1.57 inches
Package size (L x W x H): 16.00 x 14.00 x 5.00 cm / 6.3 x 5.51 x 1.97 inches Package Contents: 1 x MA700 Power Amplifier， 1 x Remote Control， 1 x 3.5mm Audio Cable