---
product_id: 48479427
title: "In Phase Car Audio USW10 300W 10\" Underseat Ultra Slim Compact Active Subwoofer System, Die-Cast Aluminium , Black"
brand: "in phase"
price: "531.16 DT"
currency: TND
in_stock: false
url: https://www.desertcart.tn/products/48479427-in-phase-car-audio-usw10-300w-10-underseat-ultra-slim
store_origin: TN
region: Tunisia
---

# Ultra slim 270x65mm 300W max output Die-cast aluminium chassis In Phase Car Audio USW10 300W 10" Underseat Ultra Slim Compact Active Subwoofer System, Die-Cast Aluminium , Black

**Brand:** in phase
**Price:** 531.16 DT
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Elevate your drive with bass that’s felt, not seen.

## Quick Answers

- **What is this?** In Phase Car Audio USW10 300W 10" Underseat Ultra Slim Compact Active Subwoofer System, Die-Cast Aluminium , Black by in phase
- **How much does it cost?** 531.16 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/48479427-in-phase-car-audio-usw10-300w-10-underseat-ultra-slim)

## Best For

- in phase enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Control:** Included 5-meter remote lets you fine-tune bass levels on the fly for every music mood.
- • **Powerful yet Compact:** 300W amplifier drives a 10" aluminium coned subwoofer delivering deep, clean bass without bulk.
- • **Universal Compatibility:** Works with both OEM and aftermarket head units via RCA and high-level inputs for plug-and-play ease.
- • **Engineered for Durability:** Robust die-cast aluminium chassis ensures long-lasting performance and premium build quality.
- • **Seamless Vehicle Integration:** Ultra-slim design fits discreetly under seats or in tight spaces, preserving cabin aesthetics.

## Overview

The In Phase USW10 is a British-designed, ultra-slim 10" active subwoofer system featuring a 300W built-in amplifier and a durable die-cast aluminium chassis. Its compact form factor allows versatile underseat or hidden installation, while the included remote control and dual input options ensure seamless integration and personalized bass control for a refined in-car audio experience.

## Description

In Phase Car Audio USW10 300W 10" Underseat Ultra Slim Compact Active Subwoofer System, Die-Cast Aluminium , Black : desertcart.co.uk: Electronics & Photo

## Features

- ALUMINIUM CONED SUBWOOFER - With a built in amplifier powering an aluminium coned subwoofer and a max output of 300W, the In Phase USW10 is a true pocket powerhouse of audio performance
- HEAVY DUTY DURABLE CONSTRUCTION - 6" Aluminium coned sub bass driver housed in a DieCast Aluminium chassis
- COMPACT AND DISCRETE - Allowing you to install the USW10 anywhere within your vehicles Boot, Underseat, behind seat and foot wells. Dimensions 270mm (D) x 65mm (H)
- REMOTE CONTROL - Bass remote included (5 meters)
- COMPTABILITY - RCA and High Level inputs (will work with both OEM and Factory Fitted head units).
- BRITISH DESIGN - All In Phase speakers are designed in the UK utilising over 30 years of audio experience to create a sound that is right for you

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004UFII6O |
| Antenna Location | For music players |
| Audio Driver Size | 10 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Battery Average Life | 5 Hours |
| Best Sellers Rank | 3,349 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 52 in Car Component Subwoofers |
| Bluetooth Range | 5 Metres |
| Box Contents | Car Subwoofer Active Enclosure, Wiring Kit, Mounting Brackets, Remote Controller, Instruction Manual |
| Brand Name | In Phase |
| Colour | Black |
| Compatible Devices | Desktop |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | RCA |
| Control Method | Remote |
| Controller Type | Remote Control |
| Customer Package Type | Flat Free Package (FFP) |
| Customer Reviews | 4.1 4.1 out of 5 stars (126) |
| Enclosure Material | Metal/plastic |
| Global Trade Identification Number | 09402560901666 |
| Impedance | 8 Ohms |
| Is Waterproof | False |
| Item Dimensions D x W x H | 34D x 14W x 32H centimetres |
| Item Type Name | 10 Underseat Active Subwoofer |
| Item Weight | 4.6 Kilograms |
| MP3 player | No |
| Manufacturer | IN PHASE Audio |
| Maximum Range | 10 Metres |
| Maximum Speaker Output Power (in watts) | 300 Watts |
| Model Name | USW10 |
| Model Number | USW10 |
| Mounting Type | Tabletop Mount |
| Network Connectivity Technology | RCA |
| Number Of Circuits | 1 |
| Number of Audio Channels | 2.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Features | Amplifier |
| Product Warranty | 1 Year |
| Speaker Size | 10 Inches |
| Speaker Type | Subwoofer |
| Specific Uses For Product | Improve sound quality during car journeys, discreet placement in different areas |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Speaker Diameter | 6 Inches |
| Tweeter Diameter | 1 Inches |
| Warranty Type | Limited |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology Type | No wireless communication technology |
| Woofer Driver Diameter | 10 Inches |

## Product Details

- **Audio output mode:** Surround
- **Brand:** In Phase
- **Connectivity technology:** RCA
- **Material:** Metal/plastic
- **Model name:** USW10
- **Mounting type:** Tabletop Mount
- **Recommended uses for product:** For music players
- **Speaker maximum output power:** 300 Watts
- **Speaker type:** Subwoofer
- **Special feature:** Amplifier

## Images

![In Phase Car Audio USW10 300W 10" Underseat Ultra Slim Compact Active Subwoofer System, Die-Cast Aluminium , Black - Image 1](https://m.media-amazon.com/images/I/61NL7iczc1L.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Can you or is there an adaptor to use at home / plug into the mains?**
A: If you have an adaptor 230/12 Volt then you can use this equipment at home but this has to be powerful.

**Q: will it do 33Htz**
A: You can find in the manual it's working between 50 - 100 Hertz and 50 Hz is the standard Hi-fi low transmission there is no seeker what can work until this.

**Q: dimensions of the item, not the package.**
A: Measuring a mere 69mm in depth and 270mm in diameter,

**Q: I have the 300w version. Would the 600w version be compatible with the cables from the 300w version as i dont want to mess around with cables?**
A: I don't know the bigger version but I think it should be good for another type of this

## Frequently Bought Together

- In Phase Car Audio USW10 300W 10" Underseat Ultra Slim Compact Active Subwoofer System, Die-Cast Aluminium , Black
- VIBE Audio Slick 1500 W System Car Wiring Kit

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**Shop now:** [https://www.desertcart.tn/products/48479427-in-phase-car-audio-usw10-300w-10-underseat-ultra-slim](https://www.desertcart.tn/products/48479427-in-phase-car-audio-usw10-300w-10-underseat-ultra-slim)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-12*