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Tannoy - CMS 801 SUB BM - 8" Blind-Mount Subwoofer (Pair) is available to buy in increments of 1

Tannoy - CMS 801 SUB BM - 8" Blind-Mount Subwoofer (Pair)

Tannoy - CMS 801 SUB BM - 8

Tannoy - CMS 801 SUB BM - 8" Blind-Mount Subwoofer (Pair)

8" Compact Ceiling Mounted Subwoofer for Installation Applications (Blind Mount)

The CMS 801 SUB BM is a compact 400- Watt subwoofer that complements the entire range of CMS ceiling monitor systems. Thanks to a powerful 8" long-excursion LF driver, the UL certified CMS 801 SUB BM delivers dynamic low-frequency extension and premium grade audio for music and speech reinforcement applications.

Optimized for Installation
Specifically designed with a self-aligning 5-way clamp system for fast, simple and cost-effective installation, CMS 801 SUB BM features an acoustically enhanced zinc plated steel back can with removable locking screw terminal connector and loop-thru functionality. A low-insertion loss 60 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. A plaster (mud) ring is available separately.

The CMS 801 SUB BM is finished in semi-matt white and optimized for use with LAB GRUPPEN amplifiers.


  • Compact ceiling subwoofer for installation applications
  • 100 Watts continuous, 400 Watts peak power
  • 8" long excursion driver for greater low frequency response
  • Blind mount version supplied with acoustically enhanced zinc plated steel back can
  • Integrated single unit construction for ease of installation
  • Multiple transformer taps for 70 V and 100 V line systems or 6 Ohm direct input
  • UL 1480 certified for general signalling systems
  • UL 2043 certified for air-handling spaces
  • Low insertion loss 60 W line transformer with easily accessible tapping switch
  • 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 5 way clamp mounting system
  • Mounting C-ring and ceiling tile rails included
  • Designed and engineered in the U.K.


Frequency response (-3 dB)
58 Hz - 160 Hz

Frequency range (-10 dB)
42 Hz - 300 Hz

System sensitivity (1 W @ 1 m)
92 dB (1 W = 2.45 V for 8 Ohms)

Rated maximum SPL
112 dB (average)
118 dB (peak)

With THP60
110 dB (average)

Power handling
100 W

200 W

400 W

Recommended amplifier power
200 W @ 8 Ohms

Nominal impedance
8 Ohms

Transformer taps (via front rotary switch)
70 V
60 W/30 W/15 W/7.5 W/OFF &
Low impedance operation

100 V
80 W/30 W/15 W/OFF &
Low impedance operation

Integral 2nd order passive, 160 Hz

Low frequency
1x 200 mm (8.00") long throw woofer with High frequency multi fibre paper pulp cone

Back can
Zinc plated steel

Reflex loaded UL 94V-0 rated ABS

Steel, with weather resistant coating

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

Clamping Design
Security toggle clamp

Backcan Options
Blind Mount (BM)
Complete with fixed back can

Cable Entry Options
Cable clamp & squeeze connector for conduit up to 22mm

Conduit Knockouts 3 Sets of horizontal positions
19 / 22 / 28 mm (0.75 / 0.87 / 1.1")

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

Safety agency ratings (pending)
UL-1480, UL-2043, CE

BM hole cutout diameter
295 mm (11.61")

Bezel diameter
325 mm (12.80")

Front of ceiling to rear of back can (BM)
310.5 mm (12.22")

Front of ceiling to top of safety loop (BM)
327.8 mm (12.90")

Net Weight (ea)
CMS 801 BM
8.4 kg (18.48 lbs)

Included Accessories
C Ring, tile bridge, paint mask, cutout template, grille

Optional Accessories
Plaster (Mud) Ring

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