In Phase Car Audio USW300 300W Underseat Ultra Slim Compact Active Subwoofer...
In Phase USW300 300W Underseat Subwoofer - Active Car Subwoofer with Built-in Amplifier
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£99.99
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In Phase USW300 300W Underseat Subwoofer - Active Car Subwoofer with Built-in Amplifier
In stock
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£109.00
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In Phase USW300 300W Underseat Subwoofer - Active Car Subwoofer with Built-in Amplifier
In stock
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Direct debit
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Visa
Mastercard
Mastercard
£109.00
Free Delivery
IN PHASE USW300 Car Subwoofer - Black, Black
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 26 Dec 2025)
Based on a total of 491,744 customer reviews from independent review platforms.
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Based on a total of 491,744 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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3-5 working days
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£109.00
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In Phase USW300 300W Underseat Ultra Slim Compact Active Subwoofer System
Overall Rating: 4.1 / 5 (average from multiple review sources, as of 29 Dec 2025)
Based on a total of 2,344 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 2,344 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
2-3 working days
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£119.99
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In Phase USW300 300W Underseat Ultra Slim Compact Active Subwoofer
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 24 Dec 2025)
Based on a total of 21,561 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 21,561 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 4 - 7 working days of receiving cleared payment.
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£119.99
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In Phase Car Audio USW300 Underseat Subwoofer
Overall Rating: 2.1 / 5 (average from multiple review sources, as of 28 Dec 2025)
Based on a total of 45 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 45 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Standard delivery in 3 working days
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£123.90
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In Phase Car Audio USW300 Underseat Subwoofer
Overall Rating: 3.2 / 5 (average from multiple review sources, as of 26 Dec 2025)
Based on a total of 42 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 42 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Standard delivery in 3 working days
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£123.90
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In Phase USW300 300W Underseat Subwoofer - Active Car Subwoofer with Built-in Amplifier
In stock. Express Delivery available with Amazon Prime.
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£129.58
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In Phase USW300 300W Underseat Subwoofer - Active Car Subwoofer with Built-in Amplifier - Details
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We have found 9 prices for In Phase USW300 300W Underseat Subwoofer - Active Car Subwoofer with Built-in Amplifier. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
In Phase USW300 300W Underseat Subwoofer - Active Car Subwoofer with Built-in Amplifier - Price Information
- Cheapest price: £99.99
- The cheapest price is offered by Amazon-marketplace.co.uk . You can order the product there.
- The price range for the product In Phase USW300 300W Underseat Subwoofer - Active Car Subwoofer with Built-in Amplifier is €£99.99to €£129.58 with a total of 9 offers.
- Payment methods: The online shop Amazon-marketplace.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is In stock. Express Delivery available with Amazon Prime. working days offered by Amazon-marketplace.co.uk .
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Cheapest offer
Rich powerful base - With a built in amplifier, max output of 300 W and 130 W RMS, the In Phase USW300 is a true pocket powerhouse of audio performance Aluminium coned subwoofer - Aluminium Cones are light in weight and can be really stiff, but they are really robust cones that rarely go wrong. This sub has a damping material built into its cone and spider to ensure a rattle-free performance and deep bass Heavy duty durable construction - Die Cast Aluminium Chassis - no plastic structure here. The metal body is part of a secure and rigid structure, no flexing body when the unit is in full power, this also helps with bass output Compact and discrete - Allowing to install the USW300 anywhere within vehicles Boot, Undersea, behind seat and foot wells
£99.99
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