Coverage
Aim and listening geometry determine whether this enclosure format belongs in the room.
M&K Sound · IW SERIES · THX DOMINUS
IW500
M&K Sound's flagship large-format in-wall loudspeaker for expansive private cinemas.
VERIFIED OFFICIAL DATA
Frequency response80 Hz–20 kHz ±1.5 dB, in-room on-axis
Sensitivity92 dB / 2.83 V / 1 m
Nominal impedance4 Ω
Recommended amplifier power100–500 W
PRODUCT GALLERY
See the product from more than one perspective.
Official manufacturer imagery showing the enclosure, installation form or design detail.
WHY IT EXISTS
Choose the exact format around the room, coverage and installation method.
M&K Sound's flagship large-format in-wall loudspeaker for expansive private cinemas.
This guide keeps the product's published figures tied to its exact variant so that on-wall, wedge, passive and externally active versions are not treated as interchangeable.
SYSTEM ROLE
Resolve the room before the channel count.
Headroom
Listening distance, target level and crossover strategy determine the required output margin.
Integration
Mounting, service access, amplification and acoustic treatment must be planned together.
OFFICIAL PUBLISHED SPECIFICATION
Current manufacturer data.
Frequency response80 Hz–20 kHz ±1.5 dB, in-room on-axis
Sensitivity92 dB / 2.83 V / 1 m
Nominal impedance4 Ω
Recommended amplifier power100–500 W
Maximum SPL113 dB continuous / 121 dB peak
Power handling500 W long-term / 300 W rated
Cabinet dimensions845 × 314 × 98 mm
Wall cut-out847 × 316 mm
Verified against the official manufacturer product page on 13 September 2026. Confirm current revision and installation documentation before final project specification.
MANUFACTURER REFERENCE
Primary product source.
Official data and product imagery are linked to the exact model variant shown on this page.
Official manufacturer information reviewed for this page.PROJECT-SPECIFIC ADVICE
Specify IW500 in the context of the room.
Send the room dimensions, seating plan, screen width, target layout and intended listening level.