Qhsgdbgem Mono Amplifier Board TW100U 100W, Quick input Switching Dedicated physical mode switch enables fast, intuitive changes without navigating menus.

wireless pairing for immersive stereo: Take advantage of advanced Bluetooth 5.3 for quicker, more stable connections and extended range. Pair two TW100U modules wirelessly to instantly transform a mono setup into a full dual‑channel L/R stereo system, eliminating long speaker cables while delivering a soundstage. Multiple flexible input modes: Designed for wide compatibility with everyday and DIY audio sources. Supports Bluetooth, 3.5 mm AUX analog input and USB digital input, giving you freedom to connect phones, PCs, music players and more. A dedicated physical mode switch lets you quickly select your preferred input with simple, intuitive operation. External Bluetooth antenna base included: Comes with an onboard antenna base that allows connection of the supplied external antenna to enhance wireless stability and extend coverage. Ideal for use in large rooms, workshops or complex spaces where obstacles or distance often weaken signals, ensuring reliable audio transmission and playback. Built‑in boost circuit up to 19V/24V output: Integrated step‑up power design raises the internal working voltage to 19V or 24V, even when powered by lower‑voltage DC 12-24V supplies. This maximizes power efficiency and dynamic headroom, helping the amplifier deliver stronger output performance and better control over demanding speakers. High‑performance TPA3116D2 chip:Utilizes the original TPA3116D2 Class D digital power amplifier IC to deliver up to 100W mono output.Features low distortion, low noise floor and high efficiency, providing clean, detailed and powerful sound. Capable of driving most home or DIY passive speakers, making it suitable for compact Hi‑Fi or project builds.