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The IW150A is a versatile in-wall/in-ceiling speaker, designed for the ultimate home theater experience.


The IW150A. Targeted primarily as a Dolby Atmos-friendly in-ceiling model, it can also be used for other in-wall cinema or multi-room music applications. Its single 15-degree angle-fixed tweeter makes the IW150A ideal for effects-based sound in multi-speaker setups.

The debut of the new 150 member means that, along with the IW28S subwoofer, there is within the 150 Series a complete in-wall/ in-ceiling seamless solution for reference-grade home cinemas.

The Versatile use of the IW150A makes it fit in any position. Turn it – UPSIDE or DOWN your choice.

Miller & Kreisel The IW150A is a versatile in-wall/in-ceiling speaker

Excluding Sales Tax
  • Sound

    Nominal System Impedance 4 ohm (Z-min 3 4 ohm)
    Frequency Response 80-20K Hz (average response in room +/- 3 dB)
    Frequency Roll Off 80 Hz (-9 dB 80 Hz near field)
    Crossover Frequency 2 0K Hz “Phase focused” (2nd order)
    Tweeter 1 x 1,1” Dome Coated silk dome / Low compression
    Tweeter Angle 15 0º Angle fixed
    Woofer 2 x 5 25” Coated glass fibre
    Power Handling 180 watt Long term IEC-268-5 (cycled input 77-20K Hz)
    Power Handling 90 watt Rated IEC-268-5 (constant input 77-20K Hz)
    Recommended Amp Power 25-400 watt Recommended amp power Min / Max
    Sensitivity 90 dB Average SPL 2 83 volt / 1mtr (on axis 200-10K Hz)
    Max SPL Continued 110 dB Sinewave 100-8000 Hz / THD – 10%
    Max SPL Peak 116 dB Sinewave 100-8000 Hz / THD – 10%



    System Princip   Sealed Enclosure
    Connection Terminal Gold Plating Push terminal 4mm cable
    Finish Paint Black cabinet Metal white grille


    Cutout H x W 13 03 x 11 33 inch / 331 x 288 mm
    Cabinet dimensions H x W 12 95 x 11 25 inch / 329 x 286 mm
    Cabinet depth D 3 74 inch / 95 mm
    Dimensions Grille H x W x D 14 17 x 12 48 inch / 360 x 317 mm
    Weight Netto 15.0 lbs / 6.9 kg
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