Monitor Audio CSS230 Super Slim In-Ceiling Speaker
Pickup available at Alexandria Showroom · Usually ready in 2-4 days
4 interest-free payments of $128, paid fortnightly.
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Shipping & delivery
Free insured shipping Australia-wide on orders over $79. Every parcel is tracked and covered in transit.
Most orders dispatch within 1–2 business days, shipping either from our Alexandria warehouse or directly from the supplier, depending on the product. Delivery is usually 2–7 business days.
Large or heavy items (floorstanders, subwoofers, racks) ship by dedicated freight. You'll receive a tracking number so you can follow your order and see its expected delivery date.
Local pickup can be arranged from our Alexandria showroom. Please get in touch first so we can have your order ready. Remote-area delivery may take a little longer.
Key Information
- Sensitivity (1W @ 1M):86 dB
- Cut-Out Diameter:211 mm
- Mounting Depth:50 mm
- Power Handling (RMS):40 Ws
- Nominal Impedance:8 ohms
- Driver Size:3 "
- Sold As: Single Speaker
The CSS230 is a brilliantly innovative back-box design with an impressively shallow 50 mm (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 6 1/2" 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.
Optional square or premium grille can be used with this model.
Frequency Response (-6 dB): 100 Hz – 30 kHz sealed ‘CP’ (85 Hz – 30 kHz –open back)
Nominal Impedance: 8 ohms
Sensitivity (1W@1M): 86 dB
Maximum SPL: 103.8 dBA
Power Handling (RMS): 40 Watts – Full range (60 watts with crossover set to 100 Hz @ 12 dB/Octave)
Recommended Amplifier Requirements: 10 - 60 W
Drive Unit Complement: 3 x 3" C-CAM cone bass-mid drivers
1 x 19 mm (3/4") C-CAM Gold Dome tweeter
Crossover Recommendation: 100 Hz at a minimum of 12 dB/Octave (24 dB/Octave optimum)
Connection: Gold Plated Sprung push terminals – for bare wire connection up to 4 mm(2)
Overall Diameter (Including Grille): 250 mm
Overall Depth (Including Grille): 54 mm
Cut-Out Hole Diameter: 211 mm
Mounting Depth: 50 mm
Optional Square Grille - Outer Dimensions: 249 x 249 mm
Fixing Type: 3 position Tri-Grip dog leg fixings
Construction Material: ABS (UL94 rated, RoHS2 Compliant) – Painted steel grille
Weight: 2.88 kg
Pre-Construction Bracket: CB6 Pre-Construction Bracket (Purple)
Free insured shipping Australia-wide on orders over $79. 30-day change-of-mind returns in original condition. Full manufacturer's Australian warranty.
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Talk to Scott before you buy
Not sure if it’s right for your room? I’ll give you honest, no-pressure advice by phone, video, or in our showroom. We’re specialists, not box-shifters.
Scott · Founder, CHT Solutions
Authorised Australian dealer: genuine Australian stock & full warranty, never grey import.