---
product_id: 657411224
title: "Fosi Audio HT4S Bluetooth Amplifier 4.1/5.0 Ch Stereo for Outdoor Speakers, 4-Channel Power Amplifier for Bass Shaker Sim Racing Cockpit, Support AUX/Optical Input with Remote Control"
brand: "fosi audio"
price: "89.64 OMR"
currency: OMR
in_stock: true
category: "Fosi Audio"
url: https://www.desertcart.com.om/products/657411224-fosi-audio-ht4s-bluetooth-amplifier-4-1-5-0-ch
store_origin: OM
region: Oman
---

# 120W crisp power output Bluetooth + AUX + Optical inputs 5-channel switchable modes Fosi Audio HT4S Bluetooth Amplifier 4.1/5.0 Ch Stereo for Outdoor Speakers, 4-Channel Power Amplifier for Bass Shaker Sim Racing Cockpit, Support AUX/Optical Input with Remote Control

**Brand:** fosi audio
**Price:** 89.64 OMR
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your soundscape — small amp, massive impact!

## Quick Answers

- **What is this?** Fosi Audio HT4S Bluetooth Amplifier 4.1/5.0 Ch Stereo for Outdoor Speakers, 4-Channel Power Amplifier for Bass Shaker Sim Racing Cockpit, Support AUX/Optical Input with Remote Control by fosi audio
- **How much does it cost?** 89.64 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/657411224-fosi-audio-ht4s-bluetooth-amplifier-4-1-5-0-ch)

## Best For

- fosi audio enthusiasts

## Why This Product

- Trusted fosi audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Minimalism:** CNC-machined aluminum alloy body combines elegance with lasting durability.
- • **Effortless Control:** Remote control with tone adjustment and LED indicators for intuitive operation.
- • **Immersive Bass Boost:** Perfect for sim racing and home theater with dedicated bass shaker support.
- • **Powerful yet Compact:** 120 watts of clean, room-filling sound in a sleek aluminum chassis.
- • **Seamless Connectivity:** Bluetooth, AUX, and optical inputs keep your setup versatile and future-proof.

## Overview

The Fosi Audio HT4S is a compact 4-channel amplifier delivering 120 watts of power with versatile input options including Bluetooth, AUX, and optical. Designed for both indoor and outdoor use, it supports 4.1 or 5.0 channel configurations and features bass shaker compatibility for immersive sim racing and home theater experiences. Its CNC-machined aluminum alloy body ensures durability and a premium look, while remote control and tone adjustments make operation effortless.

## Description

Fosi Audio HT4S Bluetooth Amplifier 4.1/5.0 Ch Stereo for Outdoor Speakers, 4-Channel Power Amplifier for Bass Shaker Sim Racing Cockpit, Support AUX/Optical Input with Remote Control : desertcart.in: Electronics

## Features

- 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. Note: The HT4S is a stereo amplifier and does not support Dolby, DTS, or other multichannel surround sound modes
- 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 aestheticIf you encounter problems during use, please refer to our manual or contact our after-sales team, and we will have professionals to answer your questions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CYQ1B598 |
| Audio Wattage | 120 Watts |
| Batteries Included | No |
| Batteries Required | No |
| Best Sellers Rank | #20,381 in Electronics ( See Top 100 in Electronics ) #16 in Hi-Fi Amplifiers |
| Brand | Fosi Audio |
| Country of Origin | China |
| Customer Reviews | 4.0 4.0 out of 5 stars (252) |
| Date First Available | 20 August 2024 |
| Generic Name | AMPLIFIER |
| Importer | support@fosiaudio.com |
| Item Dimensions LxWxH | 15.5 x 18.3 x 5.1 Centimeters |
| Item Weight | 1 kg 570 g |
| Item dimensions L x W x H | 15.5 x 18.3 x 5.1 Centimeters |
| Item model number | HT4S |
| Manufacturer | Fosi Audio |
| Material | Made entirely of aluminum alloy |
| Maximum Supply Voltage | 230 Volts |
| Model | HT4S |
| Mounting Hardware | HT4S Bluetooth Amplifier |
| Mounting Type | Freestanding |
| Number of Channels | 5 |
| Number of items | 1 |
| Operating Temperature | 20 Degrees Celsius |
| Output Power | 400 Watts |
| Package Type Name | Box |
| Packer | support@fosiaudio.com |
| Product Dimensions | 15.49 x 18.29 x 5.08 cm; 1.57 kg |
| Specification Met | CE, FCC, RoHS, WEEE |
| Voltage | 230 Volts |
| Wattage | 250 Watts |

## Product Details

- **Item dimensions L x W x H:** 15.5 x 18.3 x 5.1 Centimeters
- **Manufacturer:** Fosi Audio
- **Maximum Supply Voltage:** 230 Volts
- **Mounting Type:** Freestanding
- **Voltage:** 230 Volts

## Images

![Fosi Audio HT4S Bluetooth Amplifier 4.1/5.0 Ch Stereo for Outdoor Speakers, 4-Channel Power Amplifier for Bass Shaker Sim Racing Cockpit, Support AUX/Optical Input with Remote Control - Image 1](https://m.media-amazon.com/images/I/51Iqgx-WUaL.jpg)

## Questions & Answers

**Q: Q: HT4S Default Blue Light, Manual Mode Switch Required After Powering On**
A: Upon powering up, the indicator light will turn blue (indicating Bluetooth mode by default). You have to switch modes manually.

**Q: Q: HT4S Indicator Lights for Input Modes**
A: Input modes are color-coded for easy use: blue for Bluetooth, orange for AUX, and red for OPT.

**Q: Q: Does the HT4S Have a Standby Function?**
A: The HT4S has no standby function. You can leave it powered on continuously. If you turn it off, you have to long-press the main volume knob for 1.5 seconds to activate the HT4S amplifier.

## Frequently Bought Together

- Fosi Audio HT4S Bluetooth Amplifier for Outdoor Speakers, 4 Channel Power Amp for Home Theater, Outdoor Gathering, 4.1/5.0 Ch Stereo Home Audio Receiver, Supports AUX/Optical Input with Remote Control
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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-25*