Monitor Audio CSS230 In-Ceiling Speaker


The CSS230 is a brilliantly innovative back-box design with an impressively shallow 50mm (2”) mounting depth, custom built to offer hi-fi levels of performance in spaces where no high quality speaker has gone before.


Between 2” stud frames or where pipework or cabling reduces mounting depth, the hybrid back-box construction and proprietary full-range driver array combine to deliver consistent audio quality with exceptional installation versatility.

The hybrid back-box provides the best of all worlds for installer and customer. Combined, the three proprietary 3” mid-bass units achieve the bass output of a 61/2” driver, all from a super-stealthy flush-fitted profile.

In keeping with Monitor Audio’s renowned design rigour, the crossover comprises high quality film capacitors and low loss inductors – selected for signal integrity – ensuring peerless audio detail and dynamics from a speaker of its size and application. When the CSS230 is in ‘ported’ mode, a fine gauze protects the acoustic system from dust ingress.


Monitor Audio CSS230 Specifications
Frequency Response (-6dB) 100Hz – 30KHz sealed ‘CP’ (85Hz – 30KHz – open back)
Impedance (Nominal) 8?
Sensitivity ([email protected]) 86dB
Maximum SPL 103.8dBA
Power Handling (RMS) 40 Watts – Full range (60 watts with crossover set to 100Hz @ 12dB/Octave)
Recommended Amp Requirements 10-60w
Drive Unit Complement 3 x 3″ C-CAM cone bass mid drivers
1 x 119mm (3/4″) C-CAM Gold Dome tweeter
Crossover Recommendation – using an AVR 100Hz at a minimum of 12dB/Octave
(24dB/Octave optimum)
Connection Gold Plated Sprung push terminals – for bare wire connection up to 4mm (2)
Overall Diameter (including grille) 250mm (9 13/16″)
Overall Depth (including grille) 54 mm (2 1/8″)
Cut Out Diameter 211mm (8 1/4″)
Pre-Construction Bracket CB6 (Purple)

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