Reference Super Slim in-wall speaker (WSS range).
Only 50 mm deep, fits standard 2" walls
3 x 3" C-CAM woofers + MPD tweeter (highs up to 50 kHz)
Inspired by the Platinum II range, with audiophile and cinematic sound
70 Hz–50 kHz · 87 dB · 106.5 dB SPL · 75 W RMS
Installation: 346 x 101 mm cutout · Tri-Grip · Paintable magnetic grille
Vertical or horizontal use, elegant and discreet integration
Price per unit.
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Monitor Audio WSS430: Reference Super Slim In-Wall Speaker
The Monitor Audio WSS430 is the flagship model of the Super Slim series, designed to deliver both audiophile-grade and cinematic performance in high-end architectural installations. With a depth of just 50 mm, it fits perfectly into standard 2” stud walls without compromising on sound quality, drawing inspiration directly from the brand’s prestigious Platinum II loudspeakers.
This model features three 3” C-CAM® cone woofers in an advanced configuration and a Micro Pleated Diaphragm (MPD) high-frequency transducer, inherited from the Platinum range. The MPD tweeter provides ultra-low distortion and extended treble response beyond 50 kHz, ensuring exceptional detail and clarity.
Its versatile design allows both vertical and horizontal installation, blending seamlessly into any space thanks to its frameless magnetic grille, which can be painted to match the room’s décor. The Tri-Grip™ fixing system ensures quick, robust, and reliable installation.
Combining Monitor Audio’s cutting-edge engineering in a slim profile, the WSS430 is the ideal solution for high-fidelity music systems and home cinema setups where space is limited but performance cannot be compromised.
Key Features
Flagship Super Slim in-wall speaker from the WSS series.
Ultra-slim 50 mm mounting depth, ideal for 2” stud walls and tight spaces.
Inspired by Platinum II speakers with premium-grade materials and engineering.
3 x 3” (76 mm) C-CAM® woofers for tight, clean midrange and bass.
MPD tweeter (rotatable for vertical or horizontal placement), extending up to 50 kHz.
Elegant slim profile: 385 x 140 mm for discreet integration.
Frameless, paintable magnetic grille for seamless décor matching.
Tri-Grip™ fixing system for quick and secure installation.
Gold-plated spring terminals for reliable connectivity.
Compatible with WB3 pre-construction bracket.
Technical Specifications
Type: 2-way Super Slim in-wall speaker
Drivers:
LF/MF: 3 x 3" (76 mm) C-CAM® woofers
HF: 1 x MPD tweeter (rotatable)
Frequency response (-6 dB): 70 Hz – 50,000 Hz
Sensitivity (1W/1m): 87 dB
Nominal impedance: 8 Ω
Maximum SPL: 106.5 dBA
Power handling (RMS): 75 W full range (120 W with 100 Hz/12 dB per octave crossover)
Recommended amplification: 10 – 120 W
Recommended crossover (AVR/processor): 100 Hz (12 dB/octave minimum, 24 dB/octave optimal)
Dimensions (overall): 385 x 140.5 mm
Total depth (with grille): 54.25 mm
Cut-out dimensions: 346 x 101 mm
Mounting depth: 50 mm
Connections: Gold-plated spring terminals (accepts up to 4 mm² cable)
Fixing type: 6-position Tri-Grip™ dog legs
Construction: Mineral-filled ABS (RoHS2), painted steel grille
Pre-construction bracket: WB3 (dark blue)