Monitor Audio IWA-250 Owner's Manual

Page of 16
IWA-250
6
Specifications
Monitor Audio reserves the right to alter specifications without notice. 
IWA-250
System Format
Active sub-woofer amplifier
Low Frequency Limit
25Hz
Upper Frequency Limit
Variable 40 – 120 Hz @ 24dB/Octave
Amplifier Power Output
250W @ < 1% THD+N
Drive Unit Parameters
4 - 8 Ohm Nominal Impedance
Amplifier Classification
Class D amplifier with Switch mode power supply 
(SMPSU)
Cabinet Switch
For use when using the dedicated back box
EQ Switch
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 263mm
3/4
 x 17 x 10 
3/8
 Inch
Connections
LFE in (Stereo RCA and Balanced), 12v Trigger in 
(3.5mm mono mini-jack), left and right speaker output
12v Trigger Input
5 - 12v via 3.5mm mono mini-jack socket
Power Consumption
Standby: < 0.5W (ErP approved)
Typical Idle:  < 10W
Max Rated: 200W
Weight (unpacked
4Kg (8lb 12oz)