TDA7297 power amplifier board, dual channel 15W+15W, compatible with 4-8 ohm 10-50W speakers, compact design with high output, suitable for a wide range of applications. No current surge at startup, delivers high-fidelity audio without static noise. High-frequency response is smooth with minimal harshness; bass output is strong and impactful. Easily connects to mobile devices, computers, MP3 players, tablets, and other audio sources via 3.5mm input. Equipped with screw-type wiring terminals on the circuit board for quick and secure speaker connections without the need for soldering. Features: - TDA7297 dual-channel amplifier board, 15W+15W output - Compatible with 4-8 ohm, 10-50W speakers - Surge-free startup, high-fidelity sound with low noise - Smooth treble and powerful bass performance - Supports 3.5mm audio input from various devices including smartphones, laptops, MP3 players, and tablets - Screw-terminal connections for easy wiring Specifications: - Output power: Dual 15W+15W - Speaker impedance: 4-8 ohm, 10-50W - Audio input: 3.5mm jack - Power supply: DC 9-15V - Dimensions: Approx. 7.2 x 4.9 x 4.1 cm (2.83 x 1.93 x 1.61 in) - Weight: Approx. 55g (1.94 oz) Package List: 1 x Power Amplifier Board