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INPHASE USW300

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INPHASE USW300
subsonic
Application area
car
Design
enclosed
Enclosure type
sealed box
Body shape
Compact
Type
active
Size
8" (20 cm)
Rated power
150 W
Max. power
300 W
Frequency range
20 – 150 Hz
Sensitivity
91 dB
Impedance
4 ohm
Bass level control
Phase control
Subsonic filter
High voltage input
Remote control
Protective grille
Enclosures dimensions
280xx200x75 mm
Weight
3.7 kg
Official Website
inphaseaudio.co.uk
Added to E-Catalog
November 2025
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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In Phase USW300 300W Underseat Ultra Slim Compact Active Subwoofer System Die-Cast Aluminium

Introducing the Phase USW300 - your ultimate solution for unparalleled bass performance in a compact, ultra-slim design. Craf... moreted with precision and innovation, this 300W Underseat Active Subwoofer System redefines automotive audio excellence. Designed to seamlessly integrate into your vehicle, the Phase USW300 boasts a die-cast aluminum construction, ensuring durability and optimal heat dissipation for prolonged use. Its slim profile allows for easy installation under seats or in tight spaces, without compromising on power or sound quality. Experience deep, rich bass like never before, thanks to the advanced engineering and cutting-edge technology packed into this sleek subwoofer system. Whether you're cruising down the highway or parked at a standstill, the Phase USW300 delivers immersive audio performance that transforms your driving experience. Say goodbye to bulky, cumbersome subwoofers and hello to the future of in-car audio excellence with the Phase USW300. Elevate your sound system to new heights and make every journey an unforgettable sonic adventure. Explore the power of precision engineering with the Phase USW300 - where compact design meets uncompromising performance. *If you have an aftermarket stereo, you will need RCA Cables with this subwoofer.*
СarAudioCentre.co.uk
Delivery: in United Kingdom
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£99.99
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In Phase Car Audio USW300 Underseat Subwoofer

In Phase Car Audio USW300 Underseat Subwoofer
LaptopHub.uk
Delivery: in United Kingdom
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£122.59
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In Phase Car Audio USW300 Underseat Subwoofer

In Phase Car Audio USW300 Underseat Subwoofer The key thing about the In Phase Car Audio USW300 Underseat Subwoofer is the pe... morerformance. This little active woofer really packs a punch.the bass response is amazing and you really do get SUB Bass from it. Its extremely responsive so the music has a completely different sound once added to the car.Aluminium subwoofer cone applied to a die cast aluminium chassis ensures consistent performance and epic bass output. The compact and vesatile subwoofer fits perfectly and discreetly under any front or rear seat. Fine tune the sound with the advanced remote control. Its hardwired rotary design lets you take complete control of volume and phase.
Pcnova.co.uk
Delivery: in United Kingdom
Report
£122.59
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In Phase Car Audio USW300 Underseat Subwoofer

The key thing about the In Phase Car Audio USW300 Underseat Subwoofer is the performance. This little active woofer really pa... morecks a punch.the bass response is amazing and you really do get SUB Bass from it. Its extremely responsive so the music has a completely different sound once added to the car.Aluminium subwoofer cone applied to a die cast aluminium chassis ensures consistent performance and epic bass output. The compact and vesatile subwoofer fits perfectly and discreetly under any front or rear seat. Fine tune the sound with the advanced remote control. Its hardwired rotary design lets you take complete control of volume and phase. In Phase Car Audio USW300 Underseat Subwoofer
Gamingkit.co.uk
Delivery: in United Kingdom
Report
£125.04
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In Phase Car Audio USW300 Underseat Subwoofer

The key thing about the In Phase Car Audio USW300 Underseat Subwoofer is the performance. This little active woofer really pa... morecks a punch, the bass response is amazing and you really do get SUB Bass from it. Its extremely responsive so the music has a completely different sound once added to the car. Aluminium subwoofer cone applied to a die cast aluminium chassis ensures consistent performance and epic bass output. The compact and vesatile subwoofer fits perfectly and discreetly under any front or rear seat. Fine tune the sound with the advanced remote control. Its hardwired rotary design lets you take complete control of volume and phase.
Maplin.co.uk
Delivery: in United Kingdom
Report
£129.99
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Car Subwoofer INPHASE USW300