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 the original TPA3255 amplifier chip, this amp board provides 300W+300W max output (300W@4, 160W@8 at 50V) with ultra-low distortion and high efficiency, delivering clear, robust 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. Includes two expansion ports for upgrading with audio decoding boards or microphone preamps (requires removing R30/R32/R38 resistors for use), an ideal option for DIY enthusiasts. Full Sound Control Separate treble and bass adjustment knobs let you fine-tune audio to your liking.

The main volume control also handles play/pause, previous/next track, and power functions. Allows DIY adjustment of RL resistors to tweak gain levels for precise audio matching. Premium Build for Reliability & Durability Equipped with 6 high-voltage capacitors, a thickened heat sink, and a quiet long-life fan to manage heat from high-power operation. Features a 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