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🎶 Feel the bass, not the bulk — power your ride with the USW300!
The In Phase USW300 is a compact underseat car subwoofer featuring a built-in 300W amplifier and a durable die-cast aluminum chassis. Its lightweight aluminium cone with integrated damping delivers deep, rattle-free bass, while the discreet design fits easily under seats or in tight vehicle spaces. Engineered by a UK brand with over 500 years of combined audio R&D, this subwoofer offers professional-grade sound enhancement with a 5-year warranty, perfect for millennials seeking premium in-car audio without compromise.
| ASIN | B089GZ6F14 |
| Age Range Description | Adult |
| Antenna Location | Car |
| Audio Driver Size | 8 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | 4,574 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 1 in Car Enclosed Subwoofer Systems |
| Box Contents | Car Subwoofer Active Enclosure, Wiring Kit, Mounting Brackets, Remote Controller, Instruction Manual |
| Brand Name | In Phase |
| Colour | USW300 |
| Compatible Devices | Car |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | Auxiliary |
| Control Method | Remote |
| Controller Type | Remote Control |
| Country of Origin | China |
| Customer Package Type | Standard packaging |
| Customer Reviews | 4.4 4.4 out of 5 stars (445) |
| EU Spare Part Availability Duration | 2 Years |
| Enclosure Material | Aluminum/Die Cast Aluminum |
| Frequency Response | 150 Hz |
| Global Trade Identification Number | 05060047672757 |
| Input Voltage | 12 Volts |
| Is Electric | Yes |
| Is Waterproof | false |
| Item Dimensions D x W x H | 5D x 16W x 5H centimetres |
| Item Type Name | Underseat Active Subwoofer |
| Item Weight | 1.5 Kilograms |
| MP3 player | No |
| Manufacturer | In Phase |
| Maximum Speaker Output Power (in watts) | 300 Watts |
| Model Name | USW300 |
| Model Number | USW300 |
| Mounting Type | Underseat Mount |
| Network Connectivity Technology | Auxiliary |
| Number of Audio Channels | 2.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Features | Built-in Amplifier, Aluminium Coned Subwoofer |
| Product Warranty | 1 Year |
| Speaker Size | 28 Centimetres |
| Speaker Type | Subwoofer |
| Specific Uses For Product | Car |
| Subwoofer Connectivity Technology | Wired |
| Tweeter Diameter | 1 Inches |
| Warranty Type | Limited |
| Wireless Technology Type | No Wireless Communication Technology |
| Woofer Driver Diameter | 200 Millimetres |
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