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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.


















| 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 | [email protected] |
| 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 | [email protected] |
| 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 |
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