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Monitor Audio IWA-250

Installation Mono Power Amplifier

In-store Clearance item

Open Box Guide Price (1 available across all stores) £359.950000
Last brand new price £425.000000
Refurbished Guide Price (1 available across all stores) £339.950000
Last brand new price £425.000000

Please remember

These are Clearance items and therefore condition and accessories / promo items supplied may vary. This is also why we use guide prices for in-store items, as managers price these units according to state and completeness.

Please call / email the store to check the price / stock / condition and reserve your Clearance bargain before making a special journey.

Unfortunately, due to costs, and size, TVs can't be mail ordered from store or transferred between stores - sorry!

Please note that extended guarantees are not available on these products.

Compare (3 max)
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.
Amplifier Type
Power Amplifier
Power amplifier
Audio Inputs
1 x Phono pair, 1 x Phono LFE
Speaker Sets
Mono (for Subwoofer)
XLR Inputs
Yes (Mono)
Power Output
250w (4 ohms)
Dimensions WxHxD (mm)
432 x 44 x 263
Weight (KG)
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  • 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.

  • Add item(s) to your cart
  • 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.

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 items over £500

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. A one-off settlement fee of £29 will be applied. Subject to application, financial circumstances and borrowing history. Ts&Cs apply. Richer Sounds Limited acts as a credit broker and not the lender. Barclays Partner Finance acts as the lender. Find out more information and eligibility criteria here.