Immerse yourself in high-quality audio with our HiFi Stereo Amplifier Bluetooth. This compact amplifier combines class D power, versatile input options, and a tube preamp for a captivating listening experience. Its 50W+50W output, convenient control knobs, and elegant design deliver powerful sound while offering adjustable volume, bass, and treble settings. This HiFi Stereo Amplifier Bluetooth Has a Full !! Features: 4in1 – Tube Preamp, Power Amplifier, Headphone amp, and DAC Elevate your audio experience with our Bluetooth Digital Power Amplifier Class D power delivers a robust 50W+50W output for immersive sound Immerse in HIFI Stereo sound with advanced digital-to-analog conversion technology Adjust volume, bass, and treble settings with the convenient knobs Voice prompt function for easy operation and setup Versatile input modes including Bluetooth, optical, coaxial, AUX, and USB disk play 3.5mm jack for private music listening Experience the combined functionality of a power amplifier and headphone amplifier Enhance audio quality with the tube preamp featuring a 6J1 vacuum tube Music & instruments Application: This Power Amplifier is a perfect for enhancing audio in home entertainment systems, multimedia setups, and personal listening experiences. Specifications: Product: Power Amplifier Voltage: 24V Amplifier Output Power: 50WX2 Audio input: AUX input, coaxial, OPT coaxial, USB disk, Bluetooth Audio output: 3.5mm headset, Passive Speaker Bluetooth: 5.0 USB Support: Yes Color: Black Size: 12 × 14 × 8cm Weight: 600g Package Includes: 1 x Stereo Amplifier 2-Ch HiFi Bluetooth 1 x Coaxial Cable 1 x RCA Cable 1 x Optical Fiber Cable 1 x Supply 1 x Manual