kentiger HY502 12v Hi-Fi Mini Digital Motorcycle Auto Car Super Bass Stereo Power Amplifier Sound Enlarger Audio Music Player au

Features:
1.Can play U disk for SD /MMC card for music and FM stereo radio, support Mp3 music format.( USB+SD +FM)
2.Select high-power four channel professional power amplifier integrated circuits, minimal distortion, strong power
3.Pre-professional level input operational amplifier for IC for circuit design, sound , transparent,bright.
4.Filtering and anti-large-capacity power circuit
5.DSP sound field pattern of the four
6.Tow main channel output
Key function:
1.Volume: volume adjustable and host switch
2.Bass: bass tuning
3.Treble : Hight adjustment
4.mode: play mode ,selection
5.clickn play U disk's song
6.double click played for SD's song
7.three click played Fm stereo radio
8.Play/scan: the play/pause/Fm automatically adjustable.
9.play modes: short pause ,click this button again according to play .short fm mode, click this button for fm automatically adjustable.
10.next: next (in the play)
11.Prev Back (in the Play)Specifications:
Dimension:15.5 x 4 x 8cm(L x W x H)
Input voltage:DC 12V
Frequency response:20Hz-20kHz
Output power:RMS 20W +20W 1KHz
Harmonic distortion:<0.05% 4W 1KHz
SNR:85dB
High control:12dB +/- 10kHz
Bass control:12dB +/- 100kHz
The signal level:220MV 47K
Reader,U-disk format:MP3 FM
FM Frequency range:87.5MHz-108.0MHz
Remote control battery:3V CR 2025 Lithium battery(Included)
Color:Blue
Net weight:330g
Package weight:370gPackage include:
1 x Car Amplifier
1 x Remote control(Battery Included)
1 x using instructions(English)