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M&K Announces IW150A In-Wall/In-Ceiling Speaker


M&K Sound has announced an addition to its in-wall/in-ceiling speaker line, the IW150A.   

What makes this speaker a little different is that can be used as a ceiling height speaker in addition for use as an in-wall surround or LCR (Left, Center, or Right channel) speaker.

The IW150A includes a 15-degree fixed-angled tweeter and 5.7-degree fixed-angle pair of woofers, which are designed to produce a good off-axis response. This design approach the IW150A provides flexibility for home theater installers. 

M&K states that the IW150A is ideal for use as a height channel for Dolby Atmos, DTS:X, or Auro3D audio setups. The speaker can also be used angled down- or angled up-firing for LCR applications where placement locations may be limited (such as above or below a flat-panel display), or as an in-wall or in-ceiling-based surround or music speaker. 

The IW150A supports a 30-degree voicing angle but its vertical dispersion enables an optimal listening window of +/- 30 degrees (+/- 2dB) from the line of sight, with a vertical dispersion window of +/- 45 degrees. Horizontal dispersion extends to +/- 60 degrees.  

The IW150A can produce room-filling sound pressure levels (SPL) in rooms of up 3,000 cubic feet (85 cubic meters).

Whether the speaker is used as a height or surround channel, listening hotspots are mitigated and more audience members can experience even audio coverage throughout the seating area. Wide horizontal dispersion also makes the speaker well-suited as an in-wall home cinema LCR, optimizing both dialogue intelligibility and front soundstage effects placement.

IW150A boasts M&K Sound’s signature sonic neutrality and timbre matching, which aids many home theater installers in providing the optimum speaker setup for their customers.

IW150A Specifications

  • Product Number: IW150A
  • Speaker Design: Two-way, In-wall, Sealed Cabinet 
  • Tweeter: 1x 25mm silk dome with neodymium magnet
  • Tweeter Angle: 15 degrees fixed
  • Woofer:  2 x 5.25-inch coated glass fiber
  • Grill Color: White (metal construction)
  • Impedance: 4 Ohms
  • Frequency Response: 80Hz to 20kHz ±3dB
  • Sensitivity: 90 dB (2.83V/1m)
  • Crossover: 2 kHz
  • Max Peak SPL: 116 dB
  • Power Handling: 90 to 180 watts
  • Amplifier Power Range: 25 to 400 watts
  • Terminals: Gold Plated Push Terminal (accommodates 4mm speaker cable)
  • Cutout Dimension Requirements (H x W): 13.03 x 11.33 inches (331 x 288 mm)
  • Cabinet Dimensions (H x W): 12.95 x 11.25 inch (329 x 286 mm)
  • Cabinet Depth: 3.74 inches (95 mm)
  • Grille Dimensions (H x W): 14.17 x 12.48 inches (360 x 317 mm) 
  • Weight: 21.6 lbs (9.8 Kg)

Tweeter Construction

Woofer Construction

Pricing & Availability

The M&K Sound IW150A has a suggested retail price of $1,099 (USD)/£1,295 (GBP) and will be available from M&K Sound authorized distributors from early October 2022.

Tip: If you don’t have experience installing in-wall or in-ceiling speakers, you should consult a home theater installer regardless of brand or model. 

For more information:

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Relating Reading

Focal Unveils 100-T Series In-ceiling and Outdoor Speakers: CEDIA 2022

DALI Phantom K-60 LP & M-675 In-Wall Speakers: CEDIA 2022

Perlisten Audio Announces World’s First In-Wall Speakers With THX Dominus Certification

Monoprice Introduces Monolith THX In-Wall Speakers

DALI Introduces New Phantom K-Series In-Ceiling And H-R Series In-Wall Loudspeakers

Monoprice Announces Monolith In-Wall Subwoofers


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