TB21H 2.1 Channel Bluetooth 5.1 Amplifier 50W x2 + 100WTPA3116D2 USB, AUX, FM and Bluetooth inputs with IR remote, 5-knob tuning and independent subwoofer frequency and volume control

BLUETOOTH, USB, AUX & FM INPUTS Use this bluetooth amplifier board for wireless streaming or connect through USB, AUX, and FM for more ways to enjoy music. The included IR remote adds convenient playback control from across the room. VERSATILE 2.1 CHANNEL AUDIO This bluetooth amplifier delivers up to 50W x 2 for left and right channels plus 100W for a passive subwoofer when paired with a suitable 24V power supply and compatible 4 speakers. Ideal for DIY home and desktop audio projects. 5-KNOB SOUND ADJUSTMENT Fine-tune your setup with dedicated subwoofer frequency, subwoofer volume, treble, bass, and master volume controls.

This compact bluetooth amp gives you hands-on control to balance speakers and subwoofer for different listening preferences. COMPACT DESIGN FOR DIY BUILDS The space-saving mini amp design fits easily into custom speaker cabinets, desktop systems, bookshelf speaker projects, and workshop audio setups. A lightly frosted transparent cover helps protect the circuitry while keeping internal components visible. FLEXIBLE 12V24V POWER INPUT Designed as a compact mini amplifier for DIY systems, this bluetooth amplifier for speakers supports DC 12V24V power input. If you are searching for a bluetooth amplifier 12v solution, lower-voltage operation is supported, while higher voltage and adequate current are required for higher output