








🚗 Feel the bass, not the bulk — unleash your car’s hidden power!
The In Phase USW300 is a compact, active car subwoofer featuring a built-in 300W amplifier and a durable die-cast aluminium chassis. Its lightweight aluminium cone with damping material delivers deep, rattle-free bass, while its slim design allows versatile underseat or boot installation. Complete with remote control and mounting accessories, it’s engineered for powerful, distortion-free sound in any vehicle.




| Special feature | Amplifier |
| Recommended uses for product | Car |
| Compatible devices | Desktop |
| Surround-sound channel configuration | 2.0 |
| Colour | USW300 |
| Included components | Car Subwoofer Active Enclosure, Wiring Kit, Mounting Brackets, Remote Controller, Instruction Manual |
| Product dimensions | 5D x 16W x 5H centimetres |
| Item weight | 1.5 Kilograms |
| Is waterproof | false |
| Warranty type | Limited |
| Number of items | 1 |
| Control method | Remote |
| Wireless communication technology | No Wireless Communication Technology |
| Speaker size | 28 Centimetres |
| Power source | Corded Electric |
| Manufacturer | In Phase |
| Language | English |
| Item model number | USW300 |
| ASIN | B089GZ6F14 |
| Guaranteed software updates until | unknown |
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