TDA7297 power amplifier board, dual channel 15W+15W, compatible with 4-8 ohm 10-50W speakers, compact design with high sound output, suitable for a wide range of applications. No current surge noise at startup, delivers high-fidelity audio without static. Clear and balanced sound quality—smooth high frequencies with minimal harshness, strong and powerful bass response. Easily connects to mobile devices, computers, MP3 players, tablets, and other audio sources via 3.5mm audio 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, 15W+15W output - Compatible with 4-8 ohm, 10-50W speakers - High-fidelity audio performance with no static or startup pop noise - Balanced sound profile with smooth highs and strong bass - Supports connection to smartphones, tablets, computers, MP3 players, and other audio devices - Screw-terminal speaker connections enable tool-free setup 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. 55 g (1.94 oz) Package List: 1 x Power Amplifier Board