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5V WAV MP3 Bluetooth Audio Receiver Pre-modified Car Audio Amplifier
Interface details: USB Micro charging interface: 5V power supply (universal Android interface and USB mobile phone charger) 3.5 stereo output port: designed for headphone 16-64 ohm impedance design£¬ the bass is stronger and the volume is more adequate LOUT/ROUT audio output socket: designed for the speaker in the machine when the audio impedance of the design of the sound design of the sound channel audio output 3.5 stereo AUX input port: designed for 3.5MM stereo audio input AUX signal input (by the MODE key to the AUX mode) LINL/LINR audio input socket: designed for the speaker in the machine when the audio impedance of the design of the sound design of the sound channel input M+/M- microphone interface: connect the microphone parts£¬ while listening to music when the caller suddenly can press the play calls hands-free calls ADKEY button extension: button socket£¬ according to the supply line and resistance parameter connection£¬ easy to expand GND/+5V solder joints: 5V power supply solder joints USB interface: USB decoding above MP3/WAV music format£¬ U maximum support 64G TF card memory card interface: decoding the above MP3/WAV music format£¬ maximum support 32G card capacity Key details: MODE function mode key: short press cycle switch "Bluetooth -AUX-USB-TF" several functional modes PLAY play pause key: short press play / pause / answer call NEXT track plus / volume plus key: short press a song£¬ Changan volume increased PREV track / volume down key: short press on the song£¬ long press the volume decreases EQ sound keys: in USB and SD card music playback£¬ short in a flat£¬ pop£¬ rock£¬ classical£¬ jazz several audio output 1: product profile: Support Bluetooth wireless audio receiving / USB and TF play / aux input / EQ sound functions of DIY uses sound board modified and upgraded to become receive Bluetooth wireless Bluetooth audio equipment converted from your speaker and headphone 2: Performance Compatible and 4.1 three model specifications of Bluetooth 3.0/4.0; support HSP/HFP£¬ supports Bluetooth hands-free function calls can be voice communication and call reporting function; spp agreement with the Android application communication support; support L2CAP/A2DP AVCTP/AVDTP/AVRCP£¬ may by agreement control audio frequency transmitting end under operation; support simple pairing / automatic back even function£¬ support the low consumption mode sniff mode£¬ stop mode; and MP3 chip£¬ support TF Card / U disk broadcast music playback£¬ support mp3 / wma / WAV format decoding£¬ support the EQ function£¬ flat£¬ rock£¬ pop£¬ classical£¬ jazz£¬. 3: interface description (1) USB Micro charging port: 5V power supply (universal Android interface and USB mobile phone charger) 3.5) 2 stereo output port: designed for headphones 64 to 16 ohm design£¬ the bass is stronger and the volume is more adequate. 3) LOUT / ROUT audio output socket: designed for speakers in the audio impedance of the audio design of the design of stereo audio output port 3.5) 4 stereo AUX input port: designed for 3.5mm stereo input AUX signal input (by MODE key to AUX mode) 5) INL/INT audio input socket: stereo sound channel input port 6) M+/M- microphone interface 7) ADKEY button expansion port: 2 wire button socket£¬ according to the line provided by the link and resistance parameter£¬ easy to expand 8) GND/+5V solder joints: 5V power supply welding point 9) USB interface: MP3/WMA/WAV music format decoding on disk£¬ USB maximum support 64G 10) TF interface: decoding and playing MP3/WMA/WAV music format TF memory card£¬ maximum support 32G card capacity Four: key note 1) MODE function mode key: short press the button cycle to switch "Bluetooth - AUX-USB-TF" several functional modes 2) PLAY play pause key: short press play / pause / answer call 3) NEXT track plus / volume plus key: short press a song£¬ long press the volume increases 4) PREV track plus / volume down key: short press on a song£¬ long press the volume decreases 5) EQ sound keys: in USB and SD card music playback£¬ short in a flat£¬ pop£¬ rock£¬ classical£¬ jazz several audio output