?HY502 Digital Display Hi-Fi 50Wx4 2CH Car Stereo Power Amplifier AMP Support USB / FM / SD Jack ??

Frequency Range (Hz): 87.5MHz – 108.0MHz
Impedance: 4 – 8?
Out Power: 40W
Audio Sensitivity: 200mv
Frequency Response: 20Hz – 20KHz
Number of Channels: 2
Material Type: Aluminum Alloy
Features: – Filtering and anti large capacity power circuit.- Remote control make your operation more convenient in a long distance.- Sound mode digital display.- Two main channel output.- DSP sound field pattern of the four.- 4-Electronic keypad control helps you operate the amplifier easily.- It supports FM radio play(FM: 87.5 ~ 108MHz).- It can play U disk SD / MMC card for music and FM car motorcycle stereo radio, support MP3 music format.(USB+SD +FM).- Pre professional level input operational amplifier IC for circuit design, sound, transparent, bright.- Select high power two channel professional power amplifier integrated circuits, minimal distortion, strong power.- With MP3, CD /DVD player input jack.
Display: Sound mode digital display
Format: MP3 / FM
Support: USB / SD / MMC card
Voltage: 12V
Harmonic Distortion: <0.05% 4W 1KHz High Control: 12dB +_ 10KHz Bass Control: 12dB +_ 100Hz The Signal Level: 220MV 47K Jack Input: Standard stereo jack Reader, U-disk format: MP3 FM Controls and Buttons:- 4-Electronic keypad control- Volume on / off- USB / FM / AUX Mode button- V+ / NEXT button- V- / PREV button- Play / SCAN button: The play/pause/Fm automatically adjustable.- Mode: Play mode, selection- Play modes: Short pause ,click this button again according to play .short fm mode, click this button for fm automatically adjustable.- Treble: Hight adjustment - Bass: Bass tuning Place of Application: Car/ Motorcycle Product Weight: 310 G / 10.93 Ounces Product Dimensions (L*W*H): 157*112*47 MM / 6.18*4.41*1.85 Inches Package Weight: 310.0 G / 10.93 Ounces Package Dimensions (L*W*H): 157*112*47 MM / 6.18*4.41*1.85 Inches Retail Packaging: Yes, General Box Package Including: 1 x Digital Display 1 x Remote Control 1 x User Manual