JQ-DO82BT-V1 Bluetooth 12V MP3 Audio Decoder Supports USB MicroSD With Remote Control

JQ-DO82BT-V1 Bluetooth 12V MP3 Audio Decoder Supports USB MicroSD With Remote Control serves as a versatile, highly integrated audio playback module designed to convert standard audio amplifiers and DIY speaker setups into modern wireless sound systems. This multi-functional decoder board seamlessly decodes lossless audio formats directly from USB flash drives and MicroSD cards while providing stable Bluetooth connectivity for wireless streaming from smartphones and tablets. Consequently, it enables retrofitting older audio equipment with contemporary playback options at a fraction of the cost of new systems. Furthermore, the module includes an onboard FM radio tuner, an AUX line input, and an IR remote control for effortless user operation. Therefore, you can easily integrate this compact decoder into custom audio builds, car sound upgrades, and portable boomboxes to achieve convenient multi-source audio control.

Key Features:

• Multi-Source Playback: Supports wireless Bluetooth streaming, USB flash drives, MicroSD (TF) cards, FM radio, and external AUX line input.
• Wide Format Decoding: Decodes popular audio formats including MP3, WMA, WAV, and high-quality lossless formats like FLAC and APE.
• Infrared Remote Control: Includes a dedicated IR remote, allowing full navigation of tracks, volume adjustment, EQ modes, and source selection from a distance.
• Integrated Digital Display: Features a clear LED screen that displays current playback mode, track time, volume level, and FM radio frequency.
• Power Memory Function: Retains track position and volume settings even when power is turned off, providing a smooth user experience upon power-up.

Technical Specifications:

• Operating Voltage: DC 7V to 12V (Nominal 12V DC)
• Working Current: 1A to 2A recommended
• Bluetooth Version: Bluetooth 5.0 (Backward compatible with older versions)
• Bluetooth Range: Up to 10 meters (33 feet) without physical barriers
• FM Frequency Range: 87.5 MHz to 108.0 MHz
• Audio Output Signal: Low-level stereo line out (≈ 500 mV RMS, requires external amplifier)
• Supported Storage Capacity: Up to 32GB for USB drives and MicroSD cards (FAT32 format)

Mechanical Specifications:

• Front Panel Material: Durable molded ABS plastic
• Display Panel: Multi-color LED segment digital display
• Mounting Style: Front panel flush mount with pre-drilled screw holes
• Board Type: Single-sided fiberglass PCB with surface-mount components

Dimensions:

• Panel Length: ≈ 107 mm
• Panel Height: ≈ 25 mm
• Mounting Hole Distance: ≈ 92 mm (Center to Center)
• Overall Depth: ≈ 25 mm to 30 mm

Pinout and Wiring:

• 12V VCC: Connect to the positive (+12V DC) power source.
• GND (Power): Connect to the negative ground of the 12V DC power supply.
• ROUT: Right Channel Audio Output. Connect to the Right Input of an audio power amplifier board.
• AGND: Audio Ground reference for line-out signals. Connect to the signal ground of the amplifier board.
• LOUT: Left Channel Audio Output. Connect to the Left Input of an audio power amplifier board.
• AUX / LINE IN: External analog audio input pins (L, GND, R) for connecting auxiliary audio sources.
• ANT: FM Antenna pad. Solder a thin wire (≈ 75 cm) here for improved FM radio reception.
• Wiring Note: However, this board outputs line-level audio only; therefore, you must connect it to a power amplifier before connecting speakers.

Datasheet Reference:

• Download Bluetooth Audio Decoder Reference Datasheet

Commonly Used in:

• Car Audio Upgrades: Modernizing legacy automotive head units by adding Bluetooth, USB, and AUX inputs.
• DIY Speaker Systems: Building custom active Bluetooth speakers and portable boomboxes with multiple input options.
• Home Stereo Retrofitting: Restoring and upgrading vintage bookshelf receivers or home amplifiers with wireless functionality.

Applications:

• Wireless Audio Streaming: Playing music wirelessly from mobile devices via Bluetooth connection.
• Standalone Media Player: Playing MP3 files directly from external storage media like USB drives and SD cards.
• Public Address Systems: Providing background music and media playback in retail spaces and small venues.

Equivalent Models:

• JQ-D009BT: A similar 12V Bluetooth decoder board with slightly different panel dimensions and button layout.
• M28 / M38 Audio Decoder Module: Compact bare PCB Bluetooth decoder modules, however, they lack the front panel, display screen, and integrated FM tuner.
• JYX-12V-BT: A comparable 12V MP3 player module featuring similar USB, MicroSD, and remote control capabilities.

Package Includes:

• 1 x JQ-DO82BT-V1 Bluetooth 12V MP3 Audio Decoder Board
• 1 x Infrared (IR) Remote Control (Battery included)
• 1 x Power and Audio Connection Cable Harness Set