High-Power Home Audio Amplifier with Multi-Input Support

Unlock rich, immersive sound at home with this 300W stereo amplifier featuring advanced tone control and full-range input compatibility. Perfect for building a 2.1 channel setup, this amplifier supports HDMI ARC, Bluetooth 5.3, USB, optical, coaxial, and RCA—ensuring seamless connection to TVs, smartphones, PCs, and more. Enjoy customizable audio through adjustable bass, mid, and treble controls, and swap out the op-amp chip for a personalized sound experience. With audiophile-grade components and low distortion output, this compact unit delivers powerful, high-fidelity sound for home theaters, gaming, or music.

Key Features:

• 2.1 channel output with subwoofer connection

• Multiple inputs: HDMI ARC, Bluetooth 5.3, USB, optical, coaxial, RCA

• Adjustable bass, mid, and treble (±12dB) for fine-tuned sound

• Swappable op-amp chip for personalized audio texture

• Full-body heat dissipation and low distortion (≤ 0.01%)

• Compatible with smartphones, TVs, PCs, and more

Specifications:

• Output Power: 300W x 2

• Channels: 2.1

• Input Modes: HDMI ARC, Bluetooth 5.3, USB, Optical, Coaxial, RCA

• Output Modes: Passive speakers, Active subwoofer

• THD: ≤ 0.01%

• SNR: ≥ 108dB

• SINAD: 99dB

• Frequency Range: 20Hz – 20kHz

• Impedance: 2 – 8Ω

• Working Voltage: 24V – 48V

• Sampling Rates:

  • Bluetooth/USB: 44.1 – 48kHz

  • Optical/Coaxial/HDMI ARC: up to 192kHz

Package Contents:

• 1 x Stereo Audio Amplifier

• 1 x USB Extension Cable

• 1 x User Manual

Note:
Power adapter not included. Supports standard op-amp replacement and uses OPA1642 by default. HDMI ARC allows volume sync with TV remotes.