• 【HI-FI & Stereo】High quality 2.0 channel 300W 300W Bluetooth 5.3 amplifier board. It has multiple audio input methods such as AUX, Bluetooth, U disk, and USB sound card. It has two output modes of active and passive speakers, allowing you to enjoy the music you want anytime, anywhere
• [New upgrade] The Bluetooth 5.3 power amplifier board supports APP control, and the Bluetooth name and password settings can be modified. The 5.3 Bluetooth version has settings such as adjustable volume, sound on/off, and timer shutdown. Equipped with 10 natural sleep songs, up to 1023 sound combinations. Not only can display the playlist of the U disk, but also can shake the phone to change songs or use the dial/mode key to switch songs
• [TPA3255 Power Amplifier Chip] The power amplifier board uses two TPA3251D2 chips from Texas Instruments. It is a high-performance class-D power amplifier with class-D efficiency, which can bring true high-end sound quality. The device features an advanced integrated feedback design and proprietary high speed gate driver error correction. This technology enables the device to maintain ultra-low distortion across the entire audio frequency band while delivering high-definition sound quality
• 【Super Compatibility】5.3 Bluetooth version, higher transmission efficiency, more stable, longer transmission distance. In open space, the wireless range is up to 15 meters (49 feet). Can be widely used in various devices such as tablets, PCs, TVs, smartphones, and laptops
• [Safety Protection] The power amplifier board has short-circuit, over-current, over-heat and anti-static protection to prevent complete failure. When overloaded, the device reports fault conditions to the processor to protect itself from damage