SKU: 51868924585

Tannoy CMS 403DCE Blind-Mount Full Range Directional Ceiling Loudspeaker (Pair, White) - 4"

Sale price$337.50 Regular price$375.00
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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22

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Description

Tannoy CMS 403DCE Blind-Mount Full Range Directional Ceiling Loudspeaker (Pair, White) - 4"The CMS 403DCE is a full bandwidth 160 Watt high sensitivity loudspeaker that utilises our third generation Ceiling Monitor System technology (CMS 3. 0). Thanks to an all new proprietary 4" Dual Concentric point source driver with Omnimagnet technology on a Torus Ogive Waveguide, the CMS 403DCE delivers wide and consistent broadband directivity with enhanced intelligibility plus highly accurate and linear response. Adjustable Tilt Angle Specifically

The CMS 403DCE is a full bandwidth 160-Watt high sensitivity loudspeaker that utilises our third generation Ceiling Monitor System technology (CMS 3.0). Thanks to an all-new proprietary 4" Dual Concentric point-source driver with Omnimagnet technology on a Torus Ogive Waveguide, the CMS 403DCE delivers wide and consistent broadband directivity with enhanced intelligibility – plus highly accurate and linear response.

 

Adjustable Tilt Angle
Specifically designed with a self-aligning 3 way clamp system for fast, simple and cost effective installation, the CMS 403DCE can be angled towards the listener within the fixed ceiling-mounting ring. By discreetly pivoting the loudspeaker towards the desired area of coverage, the challenge of speaker placement in a less than ideal room is easily overcome.

 

Optimised for Installation
Equipped with a low-insertion loss 30 W transformer with convenient front panel tap switching, CMS 403DCE features an integral ABS back-can with removable locking screw terminal connector and loop-thru functionality. The paintable powder coated steel mesh grille with dust protection, two tile support rails and one C-ring are all included. An optional plaster (mud) ring is available separately.

 

LAB GRUPPEN Ready
The CMS 403DCE is finished in semi matt white and optimised for use with LAB GRUPPEN LUCIA amplifiers, which accommodate up to 8 CMS Series loudspeakers per channel.

 

Features

  • Full range ceiling loudspeaker for installation applications
  • 40 Watts continuous, 160 Watts peak power
  • Next generation 4" Dual Concentric point source driver featuring Omnimagnet technology
  • Torus Ogive waveguide for improved high frequency response and directivity
  • Blind Mount enclosure supplied with integral moulded ABS back can
  • Integrated single unit construction for ease of installation
  • Adjustable tilt angle with 360° rotation to accommodate difficult loudspeaker placements
  • Multiple transformer taps for 70 V and 100 V line systems or 16 Ohm direct input
  • Low insertion loss 30 W line transformer with easily accessible tapping switch
  • Optimised for Lab Gruppen low impedance LUCIA amplifiers with up to 8 CMS series loudspeakers per channel
  • Semi matt white finish fits unobtrusively in any environment
  • Powder coated UV resistant perforated steel mesh grille with dust protection
  • Removable grille for custom painting
  • Self-aligning 3 way clamp mounting system
  • Mounting C-ring and ceiling tile rails included

 

Specifications

 

Performance

Frequency response (-3 dB) <sup>(1)</sup>

110 Hz - 50 kHz BM Backcan

Frequency range (-10 dB) <sup>(1)</sup>

80 Hz - 54 kHz BM Backcan

System sensitivity (1 W @ 1 m) <sup>(2)</sup>

88 dB (1 W = 4 V for 16 Ohms)

Nominal coverage angle 90 degrees conical
Coverage angle (1 kHz to 6 kHz)

Directivity factor (Q)

Directivity index (DI)

Power handling <sup>(3)</sup>
Rated maximum SPL
Transformer taps (via front rotary switch)

 

 

Transducers

Dual concentric point source driver

1 x 100 mm (4.0") Dual Concentric driver, using Omnimagnet technology

Low frequency

35 mm (1.38") voice coil, treated multi fiber paper pulp cone

High frequency

20 mm (0.79") PEI dome

 

 

Physical

Enclosure
Safety features

Safety ring located at rear of enclosure for load bearing safety bond

Clamping design

Min / Max clamping range:
0.0 mm (0.0") /20.0 mm (0.79")
Recommended clamp torque: 1.5 Nm

Backcan
Dimensions
Included accessories

C-Ring, tile-bridge kit, paint mask, cut-out template, grille

Optional accessories

Plaster (mud) ring

Packed quantity

2

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: 51868924585

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Bre
Pawtucket, US
★★★★★ 5
Buy the suit. Be sure to measure!
Size: Large, Color: Red, Size: Large, Color: Red
Suit looks better than the photo in person. The suit is also made well. Great fabric and pattern! My son is 6'1 and weighs around 135-140 pounds. I ordered a size large for him so the pants would be long enough. The pants were a little big but it was nothing a belt could not fix. The jacket and vest fit well too. The item also arrived on time. ***Suit runs small BUT if you take out time to do the measurements you will get the correct size.***
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Reviewed in the United States on February 16, 2026
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Lavantinique S
Whiting, US
★★★★★ 5
Great Buy
Size: Large, Color: Black
True to size. Material is nice and thick. Perfect attire for Wedding or any formal event.
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Reviewed in the United States on June 3, 2026
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Ms. Claudia Adams
Carnegie, US
★★★★★ 4
Pants run small
Size: 3X-Large, Color: Purple
Jacket fit .. but pants did not. Nice suit though.
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Reviewed in the United States on May 28, 2025
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Tabatha
Lowell, US
★★★★★ 5
Fits like a glove, looks like a million!
Size: Small, Color: Purple
Bought this as a gift for him and very impressed. Looks like a million dollars, fit true to size, looks tailored not cheap. Fabric is quality, stitching is done well and the pants have a nice hidden elastic extender that helps if he goes up or down a few pounds. Very impressed!
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Reviewed in the United States on May 14, 2026
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Freak77Showisnormal
Charlottesville, US
★★★★★ 5
It was the perfect suit for our big day!
Size: X-Small, Color: Purple, Size: X-Small, Color: Purple
Purple size xs. He's 5'9" 145-150lbs. Very impressed with this suit. The color and pattern is awesome. The fit was good. I would say this suit runs large. Usually he wears a Medium in everything but ordered an XS and it fit very well. The pants were long we had to get those hemmed. There was a few stray strings by the end of the night in areas of the suit. But overall good quality. And for a great price.
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Reviewed in the United States on August 13, 2025

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