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Monitor Audio IWA-250 Installation Amplifier

Free UK Delivery



Monitor Audio IWA-250 Installation Amplifier

- Rigid, high-quality steel case -
- Switch-mode power supply -
- Class D power amplifier delivering up to 250 watts into 4 ohms (dual IWS-10 drivers) -
- High-efficiency design resulting in cool running – low thermal output -
- DSP controlled with advanced limiters -

The IWA-250 switch mode amplifier is a slim, powerful dedicated design in a heavy-duty 1U rackmount case. Delivering up to 250 watts into 4 ohms, a single IWA-250 will power single or dual IWS-10's to provide higher power levels for larger rooms or to meet customer demands.

Who is Monitor Audio?

Started in 1972 by the charismatic Mo Iqbal, Monitor Audio began loudspeaker design and production using tried and tested methods available at that time - plastic cone materials, fabric dome tweeters and reflex loaded braced cabinets. The speakers were welcomed by enthusiasts both in the UK and throughout the World.

System Format Active sub-woofer amplifier
Lower Frequency Limit  25 Hz
 Upper-Frequency Limit Variable 40 – 120 Hz @ 24 dB/Octave
Amplifier Output  250 W @ < 1% THD+N
Drive Unit Complement  4 – 8 ohms
Amplifier Classification  Class D amplifier with switch mode power supply (SMPSU)
Cabinet Support  For use when using the dedicated back box
EQ  Music/ Movie/ Impact
Phase Control  0 & 180 degrees
Auto-Sensing  Line Level > 3.5mV
Input Level Requirements  Standby after approximately 15 minutes if no signal sensed
Input Impedance > 20K ohms
Mains Input Voltage AC 110 - 120 V ~ 50/60Hz AC 220 - 240 V ~ 50/60Hz (Factory Region Preset)
Dimensions (H x W x D) 43.7 x 432 x 263 mm
Trigger Input 5 - 12v via 3.5 mm mono mini-jack socket
Power Consumption Standby: < 0.5 W (ErP approved) Typical Idle: < 10 W Max Rated: 200 W
Weight (unpacked) 4 kg (8 lb 12 oz)
Connection LFE in (Stereo RCA and Balanced), 12v Trigger in (3.5 mm mono mini-jack), left and right speaker output


UK Delivery

Providing your item is in stock, the order is usually dispatched within 24 hours. Postage and packing is completely free for orders over £100*. Out of stock items will be dispatched as soon as they become available, which can take between 4 to 21 days      

UK Delivery orders are sent via our couriers' DPD Local on a next-day-delivery service and usually take between 1 and 3 days. 


Local Delivery

Certain manufacturers disallow mail order for their products, however a local delivery may be possible.

We offer a local delivery service for a large number of our products. After your order has been placed, a member of the Hifi Gear team will contact you to arrange a convenient date and time for your local, personal delivery.


Click & Collect

We offer a free ‘Click & Collect’ service on all items. As soon as your order has been completed and is ready for collection a member of our team will be in contact with you. Orders can be collected from our store at 11 King Street, Hereford, HR4 9BW.


Please use this link to find more detailed delivery information or contact us for more details