TPA3255 Bluetooth 5.3 Power Amplifier Board 300W+300W 2.0 Channel Stereo HiFi Digital Amp Board Audio Receiver with Treble Bass Control for DIY Passive Speakers

[High-Power TPA3255 Amplifier Chip] Built with an original TPA3255 amplifier chip, this amp board delivers 300W+300W max output (300W@4, 160W@8 at 50V) with ultra-low distortion and high efficiency, ensuring crisp, powerful sound for your home audio setup. [Multi-Input Versatility & Easy Expansion] Supports Bluetooth 5.3 (10m transmission), AUX ( 3.5 mm), USB/SD card, and sound card inputs for flexible audio streaming. Features two expansion ports for upgrading with audio decoding boards or microphone preamps (requires removing R30/R32/R38 resistors for use), the perfect choice for DIY enthusiasts. [Full Sound Control] Independent treble and bass adjustment knobs let you fine-tune audio to your preference.

The main volume control also supports play/pause, previous/next track, and power functions. Support DIY adjust RL resistors to tweak gain levels for precise audio matching. [Premium Build for Reliability & Durability] Equipped with 6 high-voltage capacitors, thickened heat sink, and silent long-life fan to handle heat from high-power operation. Features metal-plated DC connector, high-current inductors, and multiple protection mechanisms (Input under-voltage, over-temperature, over-current, and short-circuit protection). [Compact & DIY-Friendly Design] Compact form factor (136x100x38mm for external potentiometer version) fits easily into custom speaker enclosures. Includes detailed installation guides for antenna upgrades and expansion module integration, perfect for DIY audio enthusiasts