Fosi Audio HT4S 4.1/5 Channel Bluetooth Amplifier
Copy the discount code from the product page, then apply the discount code at checkout.
Discount codes cannot be combined. Only one code can be applied per order.
Pairs well with
Fast, Free Shipping!
24 Months Warranty
30-Day Money-Back Guarantee
Lifetime Customer Support
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Shipping Information
We offer free worldwide shipping, except for certain regions such as Ukraine and Russia, where our services are currently unavailable.
-
Customer Support
WhatsApp: +8613716612254
support@fosiaudio.com
Mon-Fri: 3:00 AM - 3:00 PM PST -
FAQ’s
If you have any questions, please refer here: FAQs
Review Videos
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
SUB/CEN Channel Mode Switch
In FLAT mode, the SUB/CEN channel outputs full-range audio signals, while in SUB mode, it outputs low-frequency signals from 20 to 300Hz.
Ambient Light Strip
Input modes are color-coded for easy use: blue for Bluetooth, orange for AUX, and red for OPT, to enhance the intuitiveness of operation.
Multi-Functional Remote
Provides functions like device power on/off, input mode switching, one-touch mute, etc., offering greater convenience.
Full-Aluminum Alloy Chassis
Constructed with a full metal casing, CNC machined, finely sandblasted for a simple yet durable and rugged design.
Product details
Description
Specifications
- Channel : Bluetooth 4.1 CH Amp
- Input : Bluetooth + 3.5mm AUX + OPT
- Output : 3.5mm Pre-Out + Speaker Out
- SNR : ≥88dB
- THD : ≤ 0.03%
- Terminal Impedance : 4-8Ω
- Rated Power Output : 30w*4+60W*1
- MAX Power Output : 50Wx5 @4Ω
- Work Voltage: AC 110V - 240V
- Product Dimensions : 6.1 x 7.2 x 2 inches
What‘s in the box？
- HT4S*1
- Power Cord*1
- Bluetooth Antenna*1
- 3.5mm Auxiliary Cable*1
- Remote Control*1
- HT4S User Manual*1
