SKU: 76949141111

Monitor Audio CSS230 Super Slim In-Ceiling Speaker

Sale price$230.40 Regular price$256.00
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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13

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Description

Monitor Audio CSS230 Super Slim In-Ceiling SpeakerKey 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

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. 

Specifications

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)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 76949141111

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Laura Grannis
Lexington, US
★★★★★ 5
Excellent for sensitive skin/ allergies, best wipes I’ve ever tried!
Size: 50 Count (Pack of 1)
These are the best makeup removing wipes I’ve ever tried and that’s saying a lot. They are incredible for removing waterproof mascara and zinc sunscreens! For so long I avoided these products, but thanks to these makeup-removing wipes, I no longer have post-sunscreen breakouts and I can easily remove my eye makeup without pulling out any eyelashes. They’re very good for sensitive skin, too. Other makeup removing wipes (including those specifically formulated with natural ingredients for sensitive skin) caused me to have reactions. The Clinique wipes cause me no problems, stinging, or redness. With 50 wipes in a pack, they last a really long time. Really good product, total game-changer. My skin looks wonderful after using them.
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Reviewed in the United States on February 23, 2026
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Stephanie Hogan
Natrona Heights, US
★★★★★ 4
They work really well!
Size: 50 Count (Pack of 1)
These makeup removers work great for taking off my makeup. I always wash my face after with a professional skin care line with microfiber cloths, so if you are looking for something to do all the things, maybe they aren't for you, but I need something to remove makeup, and they do the best job!
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Reviewed in the United States on May 28, 2026
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Victoria
Grantham, US
★★★★★ 5
Best make up removing wipes.
Size: 50 Count (Pack of 1)
These are the only makeup removing wipes I can use. They don’t burn my eyes and they remove the makeup very well. I do recommend staring them upside down so that the pads that are at the other end stay moist and are able to remove the make up without any issue. Highly recommend. Durable and don’t tear. Great product. Great price point. I have them on a subscribe and save.
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Reviewed in the United States on March 9, 2026
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Esther P Stafford
Boise, US
★★★★★ 3
Disappointed with these cleansing cloths!
Size: 50 Count (Pack of 1)
The cloths are nice and soft, however it’s very difficult to pull out just 1 sheet, I usually end up pulling several sheets and they cannot be put back in the container. This is just a waste of money and I will never buy them again!
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Reviewed in the United States on March 6, 2026
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Cassandra A. Mackiewicz
Lexington, US
★★★★★ 5
Highly effective makeup remover and face cleanser wipes
Size: 50 Count (Pack of 1)
These are my favorite makeup remover wipes! I have them on subscribe and save because I use them every night. They are super effective and leave a moisturizing sheen on your face after cleansing. Highly effective!
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Reviewed in the United States on February 3, 2026

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