In Phase Car Audio USW300 - 300W Underseat Compact Subwoofer

• Question: 18 August 2021
  Hi, we have a Mercedes c class 2016. Would this fit under the seat?
  
  Thank you
  Zsanett

  Answer: 
  Hi,
  
  Yes, this should fit under the seat.

  Found Useful? Yes 

• Question: 09 August 2021
  Car: VW Transporter - 2005 >
  
  Hi, Do I need anything else for installing into a T6.1 Transporter?
  Thanks

  Answer: 
  Hi,
  
  The USW300 comes with its own wirings as well as an inbuilt amp.

  Found Useful? Yes 

• Question: 09 August 2021
  Looking for a simple set up for horse box to camper conversion. This plus 2/4 speakers? 6.5s?

  Answer: 
  Hi,
  
  Go for the below set up
  
  XTC17.2CF 17cm 250 Watts 2-Way Rotary Tweeter Car Door/Shelf Speakers
  USW300 - 300W Underseat Compact Subwoofer
  XTC17.2 17cm 250 Watts 2-Way Rotary Tweeter Car Door/Shelf Speakers

  Found Useful? Yes 

Question: 15 July 2021
Car: Nissan

Hi, is this an active subwoofer or do I need to connect to an amplifier?

Answer: 
Hi the In Phase Underseat woofer comes with a built in amp and also wiring kit

Found Useful? Yes 

Question: 15 July 2021
Car: Mazda MX-5 - 2006>

Hello i've the standard sterio set up in my mx5 have you got an adapter put that will plug into this sub ?
Regards

Answer: 
This will take teh sound signal from teh speakers wires if not you can buy a Speaker to RCA converter

In Phase Speaker to Rca Converter adjustable output gain

Found Useful? Yes 

Question: 12 July 2021
Car: Ford Transit - 2005 >

Hi can this sub be used with the OEM sound system that's in my ford custom. 🤔

Answer: 
Yes the In Phase USW300 can be used on any car stereo including the OEM one

Found Useful? Yes 

Question: 28 June 2021
Car: Mazda MX-5 - 1990 - 2000

i have a MK1 MX-5, i currently have an inphase usw10 but want to have one either side but the usw10 is an awkward shape for my car. im wondering how the usw10 & usw300 compare. which is 'punchier'

Answer: 
Hi,

The USW10 is the punchier of the two subwoofers

Found Useful? Yes 

Question: 23 June 2021
Car: Nissan Qashqai - 2007>

I have 2017 Nissan Qashqai and am very interested in purchasing n Phase Car Audio USW300 - 300W Underseat Compact Subwoofer what are the best speakers.Do you have adapetrs to fit door and connectors

Answer: 
Hi,

Best is subjective. What are you looking to get out of the system?

Found Useful? Yes 

Question: 23 June 2021
Car: Nissan Qashqai - 2007>

My car is A N Vision 2017 J11A.
The head unit does not have RCA, can this unit be spliced into speaker wires?

Answer: 
Hi,

Yes, this unit can use speaker level input

Found Useful? Yes 

Question: 19 June 2021
Car: Honda S2000 - 2001 >

What is the sensitivity of this?

Answer: 
Hi,

The In Phase USW300 unit is 98dB

Found Useful? Yes 

Question: 17 June 2021
Car: Audi TT - 2006> (8J)

How do you connect sub to head unit rnse sat nav plus

Answer: 
Hi,

You will have to use speaker level input for that headunit

Found Useful? Yes 

Question: 17 June 2021
Car: BMW 7 Series (E38) - <2001 (E38)

Hello, will this amp run directly from Pioneer MVH-S420BT which you also have for sale? Via the sub RCA pre-outs?

thanks

Answer: 
Hi,

This underseat subwoofer will work with any headunit

Found Useful? Yes 

Question: 16 June 2021
Is this able to fit into a mini cooper R56

Answer: 
Hi,

This subwoofer will work in any car.

Found Useful? Yes 

Question: 14 June 2021
Car: Jeep Wrangler - 2007>

My question is about my jeep renegade 2018

How much would it be to have an underseat sub fitted.

Also how long would this usually take.

Answer: 
Our stores can provide the fitting service for you. Sadly, you have come through to the mail order centre, so we cannot give you a price for that service. Please contact them on the below emails/number for more assistance.

Car Audio Centre Nottingham
542 Mansfield road,
Sherwood,
Nottingham
NG5 2FR
0115 845 3462
nottingham@caraudiocente.co.uk

Car Audio Centre Ilford
743-745 Eastern Ave,
Newbury Park,
IG2 7RS
0208 599 2368
ilford@caraudiocentre.co.uk

Car Audio Centre Tooting
835 Garratt Lane,
Tooting,
London,
SW17 0PG
0208 971 9181
tooting@caraudiocentre.co.uk


Found Useful? Yes 

Question: 26 May 2021
Car: VW Transporter - <2004

Will this sub woofer require and amplifier or will it run ok on a 4 x 50 w head unit with a subwoofer output ? Thanks.

Answer: 
Hi,

The USW300 has its own amplifier

Found Useful? Yes 
• 

Need help with Installation?

Here at CarAudioCentre we offer a professional and reputable fitting service in all our stores. For all fitting enquiries and bookings please visit or call one of our nationwide stores. Our fitters can install your new car stereo, DAB radio, audio visual, speakers, subwoofers or amplifier. We can also help to connect your iPod or MP3 player to you existing audio unit and can offer the best advice on the right in-car entertainment for your vehicle, to further this more we also offer a total 100% custom installation service for demo and show vehicles. So if you have an idea come on in and run it past us, the possibilities are endless and we are never too busy for an enthusiastic chat about our favourite subject.

Please note:

"That our two year warranty on products is only applicable to purchases made directly from us and that have been fitted in one of our stores."

Our Stores: