SKU: 85440016504

Tannoy CMS 503ICT BM Blind-Mount Full Range Ceiling Loudspeaker (Pair, White) - 5"

Sale price$378.00 Regular price$420.00
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Description

Tannoy CMS 503ICT BM Blind-Mount Full Range Ceiling Loudspeaker (Pair, White) - 5"The CMS 503ICT BM is a wide bandwidth 200 Watt high sensitivity loudspeaker that utilises our third generation Ceiling Monitor System technology (CMS 3. 0). Thanks to an all new proprietary 5" ICT (Inductive Coupling Technology) point source driver with extended frequency range, the UL certified CMS 503ICT BM delivers consistent broadband directivity with enhanced intelligibility. ICT drivers provide exceptional long term reliability and are ideal for

The CMS 503ICT BM is a wide bandwidth 200-Watt high sensitivity loudspeaker that utilises our third generation Ceiling Monitor System technology (CMS 3.0). Thanks to an all-new proprietary 5" ICT (Inductive Coupling Technology) point source driver with extended frequency range, the UL certified CMS 503ICT BM delivers consistent broadband directivity with enhanced intelligibility. ICT drivers provide exceptional long-term reliability – and are ideal for constant-usage applications.

Optimised for Installation
Specifically designed with a self-aligning 3 way clamp system for fast, simple and cost effective installation, CMS 503ICT BM features an acoustically enhanced zinc plated steel back can with removable locking screw terminal connector and loop-thru functionality. A low-insertion loss 30 W transformer with convenient front panel tap switching, paintable powder coated steel mesh grille with dust protection, two tile support rails and one C-ring are all included. An Arco style grille, which conceals the entire unit for aesthetic purposes, and plaster (mud) ring are available separately.

LAB GRUPPEN Ready
The CMS 503ICT BM 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
  • 50 Watts continuous, 200 Watts peak power
  • 5" ICT (Inductive Coupling Technology) point source driver for extended frequency range
  • Blind Mount version supplied with acoustically enhanced zinc-plated steel back can
  • Integrated single-unit construction for ease of installation
  • High durability design for constant heavy usage in demanding applications
  • UL 1480 certified for general signalling systems
  • UL 2043 certified for air-handling spaces
  • 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-matte white finish fits unobtrusively in any environment
  • Powder-coated UV resistant perforated steel mesh grille with dust protection
  • Removable magnetic grille for custom painting

Specifications

Performance

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

85 Hz - 22 kHz BM Backcan

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

74 Hz - 24 kHz BM Backcan

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

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

Nominal Coverage Angle

90 degrees conical

Coverage Angle (1 kHz to 6 kHz)

105 degrees

Directivity Factor (Q)

5.6 averaged 1 kHz to 6 kHz

Directivity Index (DI)

7.0 averaged 1 kHz to 6 kHz

Power Handling <sup>(3)</sup>
Recommended Amplifier Power

100 W @ 16 Ohms

Nominal Impedance (Lo, Z)

16 Ohms

Rated maximum SPL
Transformer Taps (via front rotary switch)
Crossover

7 kHz inductively coupled

Transducers

Low Frequency

130 mm (5.00") mineral loaded polypropylene

High Frequency

ICT aluminium dome

Physical

Enclosure
Safety Features

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

Clamping Design

Security toggle clamp Min / Max clamping range 9.5 mm (0.37") / 60 mm (2.36")
Recommended clamp torque: 1.5 Nm

Backcan Options

Complete with fixed backcan

Cable Entry Options

Cable clamp & squeeze connector for conduit up to 22 mm

Conduit Knockouts on PI Backcan

3 Sets of horizontal positions 19 / 22 / 28 mm (0.75" / 0.87" / 1.10")

Connectors

Removable locking connector with screw terminals with “loop through” facility

Compliance

UL-1480, UL-2043, CE

Dimensions
Hole cutout diameter (all models)

190 mm (7.48")

Net Weight (ea)

3.95 kg (8.70 lbs)

Included Accessories

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

Optional Accessories

Plaster (mud) ring, Arco grille

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: 85440016504

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4.3 ★★★★★
Based on 26 reviews
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I
Verified Purchase
Ikeoluwa Oyemakinde
San Leandro, US
★★★★★ 5
Heel saver
Size: 3 Pairs - Gray, Green, Pink
These little things are great, super comfy and I saw the difference in my feet after one use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
O
Verified Purchase
ollie1
Carnegie, US
★★★★★ 5
Love these!!!
Color: Black and White, Color: Black and White
I absolutely love these socks!!! I use them so I can walk around the house when I put lotion on my feet. They are perfect. Very very smart young lady that came up with this idea.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2026
O
Verified Purchase
Odette M
Fort Morgan, US
★★★★★ 5
The best freetoes socks ever
Color: Black, Grey
Love this toeless socks so much! I could wear it all day. Very comfortable! It is just the right thickness which is suitable in summer time or cold weather as well. Most of the toeless socks I have seen have the gel on the heel area and I don't like the feel of it. I'd rather apply lotion on my heel then wear the socks. I have had some issues with the packaging from Amazon and I made the maker of this said socks aware of it. Julia Bebben was very prompt in her response and very helpful. Thank you Julia for your excellent customer service.
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Reviewed in the United States on November 4, 2023
K
Verified Purchase
Kindle Customer
Dallas, US
★★★★★ 4
great concept, just one tiny annoyance...
Color: Black, Grey
i love that a sock that lets your toes be free is even a thing that exists. i love that this company was started by a young girl, now turned young businesswoman. i have pain in my big toes, so i can't wear close toed anything, but feet get stinky if you wear shoes/slippers all the time without socks. this is a great solution. the only thing i find slightly annoying (not enough to stop using these) is the seam on the bottom of your foot, near the base of the toes. it is a straight line, which is fine on the top of the foot, but i wish the bottom itself curved a bit, to follow the line of the toes. as it is, the seam lands right in the middle if the ball of my feet, so i can feel the seams everytime i take a step. i am constantly pulling the seam toward the toes, to try to keep from feeling it, but then my pinky toe gets caught and balled up on the inside. outside of that slight annoyance, they're comfortable and fit well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2022
J
Verified Purchase
Jennifer F.
Lowell, US
★★★★★ 5
Good fit
Color: Black and Gray Argyle
I wear a size 9 shoe and these fit well. They are a little snug, but not too tight.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026

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