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Free delivery to most of GB mainland

on all purchases over £50

Next working day delivery, or pick a delivery day

Nominated day delivery Mon - Sat.

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From any of our stores with next working day from your local store.

Free delivery to most of GB mainland

on all purchases over £50

Next working day delivery, or pick a delivery day

Nominated day delivery Mon - Sat.


Note: Orders placed after 5.30pm on 16.9.22 until 5.30pm 20.9.22 will be delivered from 21.9.22

Click & Collect

From any of our stores with next working day from your local store.

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Free delivery to most of GB

On all purchases over £50. Exclusions apply.
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(optional Mon - Sat).
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Rated Excellent

6 Year Guarantees

on a wide range of products for our VIP Club members.

Lowest Price Guaranteed!

Ts&Cs apply. Must be brand new, in stock & with a similar guarantee. Click here.

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Free delivery to most of GB

On all purchases over £50. Exclusions apply.
Trustpilot
Monitor Audio IWA-250 is rated 5.0 out of 5 by 1.
  • y_2023, m_9, d_28, h_3
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  • loc_en_GB, sid_MONI-AUDIO-IWA250, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_richersounds
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  • REVIEWS, PRODUCT

Monitor Audio IWA-250

Installation Mono Power Amplifier
• Ordered direct from manufacturer, delivered within 5 working days
£425

Other ways to buy

Order via our Telesales team

Order by Phone 0333 900 0093

Order with your local store

Use our Store Finder to find your local store. Please call ahead to check stock.

6 Year Guarantee

£42.45 - Fully refundable if unused.

Add our 6 Year Guarantee to your basket when you check out. We'll cover your items for 6 years
and give you your money back if unused.

Fully refundable if unused

6 Year Guarantee costs just £9.99 on all items under £100, or 10% of purchase
price on anything over £100.

We think you'll agree our 6 Year Guarantee offers fantastic value. What's more, if you don't use it
in the 6-year period, we'll refund the cost of it. You really can't say fairer than that!

Plus, if we can't fix a fault, we will give you a replacement.

Find out full details here.

Disabled assistance

All products that are available to purchase on the Richer Sounds website can be delivered free to blind, partially sighted or those with a disability. Find out more

Please contact web after sales for more info.
For delivery of in-store only deals, please contact your local store for more details.
Ts&Cs apply - see our delivery page.

Disabled assistance

All products that are available to purchase on the Richer Sounds website can be delivered free to blind, partially sighted or those with a disability. Find out more

Please contact web after sales for more info.
For delivery of in-store only deals, please contact your local store for more details.
Ts&Cs apply - see our delivery page.
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Control an installation subwoofer in your home, with the Monitor Audio IWA-250.

Install with Monitor Audio
Designed specifically for rack-mounted installations, Monitor Audio’s IA amplifier range offers a choice for all scenarios. Designed to use as little rack space as possible while simultaneously packing the biggest punch, the IA amplifiers provide more for less.

IWA-250 – ideal for a subwoofer
Using an e3fficent Class D amplifier, the IWA-250 offers powerful and reliable sound to a single passive subwoofer. With up to 250 watts at 4 ohms, the IWA-250 is powerful enough to effortlessly drive and control a passive subwoofer. The high efficiency design ensures cool running and, combined with 3-way circuit protection, consistent reliability.

Tune to suit
With adjustments for speaker cabinet type, phase and EQ, you can get exactly the right sound for your specific subwoofer. Auto mode lets you manually or automatically switch on the sub. Inputs are via stereo phono, LFE phono or XLR Balanced LFE.

Sleek design
The IWA-250 has a 1U rack height – meaning it takes up as little space as possible.

Power your installation passive subwoofer to perfection, with the Monitor Audio IWA-250.
Print all features
Overview
Amplifier Type
Power Amplifier
Power amplifier
Yes
Connectivity
Audio Inputs
1 x Phono pair, 1 x Phono LFE
Speaker Sets
Mono (for Subwoofer)
XLR Inputs
Yes (Mono)
General
Manufacturer's Warranty
5 years
Audio
Power Output
250w (4 ohms)
Dimensions
Dimensions WxHxD (mm)
432 x 44 x 263
Weight
Weight (KG)
4
Ordered direct from manufacturer, delivered within 5 working days

Make the most of your amplifier. View our hottest deals on hi-fi furniture.

Rated 5 out of 5 by from Professional advice backed up by years of exp I keep on coming back to Richer Sounds due to the calibre of their staff and the deals they represent.
Date published: 2023-05-21
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  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.35
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_1
  • loc_en_GB, sid_MONI-AUDIO-IWA250, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_richersounds
  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getReviews, 15.91ms
  • REVIEWS, PRODUCT

6 Year Guarantee

£42.45 - Fully refundable if unused.

Add our 6 Year Guarantee to your basket when you check out. We'll cover your items for 6 years
and give you your money back if unused.

Fully refundable if unused

6 Year Guarantee costs just £9.99 on all items under £100, or 10% of purchase
price on anything over £100.

We think you'll agree our 6 Year Guarantee offers fantastic value. What's more, if you don't use it
in the 6-year period, we'll refund the cost of it. You really can't say fairer than that!

Plus, if we can't fix a fault, we will give you a replacement.

Find out full details here.

  • Representative 21.9% APR (variable)
  • Purchase rate 21.9% p.a. (variable)
  • Assumed credit limit £1,200
Subject to status. Terms and conditions apply. Richer Sounds Limited acts as a broker and offers credit solely from PayPal (Europe) S.a rl et Ice, S.C.A, 22-24 Boulevard Royal, L-2449, Luxembourg.
Klarna Payment Badge

Pay in 3 interest-free payments so you can spread the cost. No fees when you pay on time.

  • Add item(s) to your cart (up to £1500)
  • Go to checkout and choose Klarna 
  • Enter your debit or credit card information.
  • To check your eligibility, Klarna will perform a soft search with a credit reference agency. This will not affect your credit score.
  • Spread the cost in 3 interest-free payments. The first payment is made at point of purchase, with the remaining 2 payments scheduled automatically every 30 days. No fees when you pay on time.

You must be 18+ to use this credit offer. Credit subject to status. T&Cs apply. Klarna uses soft searches with credit reference agencies. These do not affect your credit rating. Missed payments can affect your ability to use Klarna. Pay in 3 installments complete terms.

Buy now, pay later available in-store or by phone, on most items over £500 *exclusions apply

We offer 6 and 10-month options.

Call your local store or our telesales team for details

For purchases over £500, you can settle the balance in 6 months, and in 10 months on purchases over £1000 and pay no interest whatsoever. If you settle part of your loan in the deferral period you won’t pay interest on that part. You can still pay off the loan sooner if you make additional payments. If you’d rather spread the cost over 36 months, you can set up a loan repayment plan when the payment-free period comes to an end at 19.9% APR representative. Subject to application, financial circumstances and borrowing history. Ts&Cs apply. Richer Sounds Limited acts as a credit broker and not the lender. Creation Consumer Finance Limited acts as the lender. Find out more information and eligibility criteria here.