4 Inch Knob Background Music Host Touch Screen Wall Amplifier
Premium touch screen with ultra-responsive 4-inch display for intuitive control. High-fidelity stereo sound with built-in Bluetooth 5.0 for seamless wireless streaming. Durable metal casing with precision knobs for effortless volume adjustment. Supports TF card and USB playback for versatile music sources. Wall-mounted design saves space, ideal for homes, offices, cafes, and retail spaces. Advanced chipset ensures stable signal transmission and low power consumption. Matte finish resists fingerprints and scratches for long-lasting elegance. Perfect for background music, parties, or ambient audio enhancement. Plug-and-play setup with universal voltage compatibility. Bulk order discounts available—wholesale pricing for global suppliers.