High-Performance Output: Experience powerful audio amplification with our amplifier board designed for DIY enthusiasts. Custom Speakers: This board is ideal for building custom wireless speakers and operates efficiently within a 9-24V DC range. Advanced Treble and Bass Control: Enhance your audio experience with dedicated treble and bass adjustment controls. The amplifier board delivers precise sound tuning, suitable for audiophiles seeking an immersive listening experience. Versatile Connection with BT: Features the latest Bluetooth 5.0 technology for stable wireless connectivity up to 49 feet in open space. Powerful Safety Features: Equipped with multiple protection mechanisms including overheat protection, short-circuit protection, and voltage regulation to ensure reliable and safe operation. Voltage: 24 Volts Maximum Supply Voltage: 24 Volts (DC) Minimum Supply Voltage: 12 Volts (DC) Mounting Type: Surface Mount Color: Black Material: Plastic Size: 11 x 7 x 2.1 cm Package Contents: 1 x Power Amplifier Board 1 x Protective Shell 1 x Screwdriver 1 x Knob Note: Light reflection and different display settings may cause slight variations in color compared to the actual item. Measurement may vary by +/- 1-3 cm.