TPA3116 Amplifier ChipEquipped with a TPA3116 amplifier chip, this mono board delivers up to 100W of output power and supports a wide 924V input voltage. Innovative TWS Wireless StereoUpgrade your audio project with one-click TWS pairing. Easily sync two ZK-1001U boards wirelessly to create a powerful left/right stereo system. No complex wiring is requiredjust seamless, high-performance wireless separation for an immersive theater experience. Built-In Boost CircuitEquipped with a boost circuit that adjusts the input voltage (9V/15V) to a stable 19V or 24V (default: 24V) for optimal voltage output. Multiple Input ModesThe ZK-1001U supports Bluetooth, USB, and 3.5 mm AUX inputs, allowing you to connect devices and meet your audio needs in various scenarios. Precision Bass & Treble ControlFeatures independent Bass and Treble adjustment knobs, allowing you to fine-tune the acoustics to match your environment. From deep, thumping lows to crisp, airy highs, customize your audio profile for a professional DIY sound system