Monitor Audio – IWA-250 In-Wall Amplifier

The IWA-250 switch mode amplifier is a slim, powerful dedicated design in a heavy-duty 1U rack mount case.

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SKU: IWA250 Category: Tag:

EAN / Barcode: 5060028970025


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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.


  • 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
  • <0.5watt standby power consumption (ErP certified)
  • DC short circuit protection, over-current and thermal protection

Technical Specs

  • 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 (13/4 x 17 x 103/8)
  • Connection: LFE in (Stereo RCA and Balanced), 12v Trigger in (3.5 mm mono mini-jack), left and right speaker output
  • 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

Manuals & Datasheets

Product Specifications

Physical and Performance Attributes

Weight4 KG