British Design | Performance Loudspeakers | Experts Since 1972
The IWA-250 switch mode amplifier is a slim, powerful, dedicated design in a heavy-duty 1U rack mount 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.
Due to the confidence we have in the quality, robust design, and sound performance of our speakers, Monitor Audio offers a 5-year warranty on our streamers and amplifiers, matching or exceeding market standards.
At Monitor Audio, we strive for audio excellence, and your Trustpilot feedback plays a vital role. Your authentic reviews help others discover our high-fidelity sound and guide us in continually improving our products and services to meet your expectations.
Active sub-woofer amplifier
25 Hz
Variable 40 – 120 Hz @ 24 dB/Octave
250 W @ < 1% THD+N
4 – 8 ohms
Class D amplifier with Switch mode power supply (SMPSU)
For use when using the dedicated back box
Music/ Movie/ Impact
0 & 180 degrees
Line Level > 3.5mV
Standby after approximately 15 minutes if no signal sensed
> 20K ohms
AC 110 - 120 V ~ 50/60Hz AC 220 - 240 V ~ 50/60Hz (Factory Region Preset)
43.7 x 432 x 263 mm (13/4 x 17 x 103/8)
LFE in (Stereo RCA and Balanced), 12v Trigger in (3.5 mm mono mini-jack), left and right speaker output
5 - 12v via 3.5 mm mono mini-jack socket
Standby: < 0.5 W (ErP approved) Typical Idle: < 10 W Max Rated: 200 W
4 kg (8 lb 12 oz)
Single Unit
5 years
IWA-250
