All-in-One

Fosi Audio HT4S Multi-Channel Integrated Power Amplifier

Easily handle various audio inputs and outputs, providing up to 5 channels of output for seamless integration and flexible configurations to meet diverse audio needs.

Designed for Multi-Speaker Scenarios and Sim Racing Gaming

The built-in power supply design achieves minimal footprint, and the front panel indicator light adds a sense of atmosphere; whether it is simulator racing, patio parties, or immersive movie watching, The HT4S integrated amplifier is your ideal choice.

• Input: 3.5mm AUX, Optical, Bluetooth. Output: 3.5mm Pre-Out, Passive Speakers+Subwoofer
• Rated Power Output: 4.1 Channel: 30w*4+60W*1 @4Ω; 5.0 Channel: 30W*5
• Max Power Output: 50Wx5 @4Ω

Customize Your Favorite Sound Signature

Allowing you to effortlessly restore the original sound when adjusted to the center position.

For Flexible Multi-Channel System

Adaptable to 5.0 or 4.1 channel audio setups indoors or outdoors.

Enhance the Realism of Racing Simulator Gaming

Providing strong vibrations to add a new level of immersion to your gameplay.

Supports Connection to Up to 5 Bass Shakers

Allowing you to experience a 360° immersive sensation in the world of racing games.

Max Output Power 50W*5

Providing sufficient power output and ensuring pure sound with great clarity and separation.

Integrated Functions of Infinite Rotation

Long press to power the device on/off, short press to switch input modes and volume adjustment.

• All-in-One Amp: A mini amplifier that integrates DAC and power amplification. This stereo amplifier supports up to 5 channels output, switchable between 4.1 and 5.0 channels. It features Bluetooth, AUX, and optical digital inputs, along with pre-out and support for up to 5 speaker outputs.
• Multi-Scenario Solution: Ideal for pairing with outdoor speakers or wall-mounted speakers, perfect for setting up 2 to 5-channel audio systems in environments like patios, cafes, restaurants, bars, etc. It can also serve as a home theater or desktop HiFi system amplifier, meeting your diverse needs from indoor to outdoor settings.
• Enhanced Immersion: Take your sim racing and home theater experience to a whole new level! By pairing with bass shakers, its sufficient power output and bass boost help significantly enhance the realism of racing simulator games. When watching movies at home, the vibration feedback can also help you experience your movies in another dimension, making every movie feel more realistic like being in a cinema.
• Effortless Operation: Featuring a comprehensive user-friendly design with a built-in power supply, accompanied by remote control, supporting bass and treble tone adjustment, a multifunctional central knob for volume control, powering on/off and mode switching, LED mode indicator ambient light, etc. Enjoying music has never been easier.
• Elegant and Durable: Continuing Fosi Audio's tradition of an all-aluminum alloy body design, the CNC unibody construction and fine metal sandblasting process highlight a minimalist aesthetic. The full metal body ensures durability, and you can enjoy Fosi Audio's 24-month guarantee for every unit.

• HT4S*1
• Power Cord*1
• Bluetooth Antenna*1
• 3.5mm Auxiliary Cable*1
• Remote Control*1
• HT4S User Manual*1