200 mm (8 in) Commercial Series 20W Ceiling Speakers

Commercial Series affordable loudspeakers provide excellent performance for paging and background music applications including retail stores, restaurants, schools and other public facilities.

High sensitivity ceiling speakers provides maximum sound level even at low tap settings, and wide dispersion ensures excellent coverage. Triple voltage transformers (100V, 70V and 25V) are compatible with any distributed speaker system, and the Commercial Series meets UL1480 and UL2043 requirements for use in plenum ceiling spaces. The drivers all feature a full 25 mm (1 in) diameter voice coil with a Kapton™ coil-former and high-temperature wire for superior power dissipation and long-term reliability. The driver, grille and transformer come pre-assembled for ease of installation. Accessories include matching Commercial Series pre-install back cans and tile rails.

The surface-mount speaker is versatile, able to operate with 100V or 70V distributed speakers systems or in 8 ohm direct mode. It produces full-range sound quality for foreground or background music applications.


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Driver Size (dual-cone) : 200 mm (8 in)

Driver Sensitivity (mid-range)
(1W [2.83V], 1m, 2k – 6k Hz) : 97 dB

Frequency Range (-10 dB)
Driver/Grille Assembly : 50 Hz – 17 kHz

Installed in CSS-BB backcan : 90 Hz – 17 kHz

Coverage (2 kHz) : 110°

Driver Continuous Power Handling : 20 Watts

100V Taps : 10W, 5W, 2.5W

70V Taps : 10W, 5W, 2.5W, 1.3W

25V Taps : 10W, 5W, 2.5W, 1.3W

Transformer Insertion Loss : 1.5 dB Maximum

Transformer Connection : Bare wire

Motor Mass : 283 g (10 oz)

Safety Agency : Suitable for use in air handling spaces per UL1480, UL2043, NFPA 90 & NFPA 70, when installed with corresponding UL Listed backcan, below. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849.

Matching CSS Backcan : CSS-BB8 (0.15 cu ft)

Other Compatible Backcans : MTC-81BB8 (0.26 cu ft)
MTC-200BB6 (0.5 cu ft)
MTC-300BB8 (1.0 cu ft)

Bolt Mounting Circle to Backcan : 4 points on 286 mm (11.25 in) diameter

Cutout Diameter
Open-back : 216 mm (8.5 in)

In CSS-BB backcan : 295 mm (11.7 in)

Depth (behind grille) : 73 mm (2.9 in)

Grille Diameter : 327 mm (12.9 in)

Net Weight (ea) : 1.58 kg (3.5 lb)

Shipping Weight (ea) : 2.25 kg (5.0 lb)

Included Accessories : 4 pcs M4 x 40 mm sheet metal screws for attaching speaker/driver/transformer assembly to corresponding backcan.