100 mm (4 in) Commercial Series Ceiling Speakers

100 mm (4 in) Commercial Series Ceiling Speakers

JBL’s Commercial Series Ceiling Speakers provide excellent performance for paging and background music applications. High sensitivity across the product line provides maximum sound level, even at low tap settings.   


·       High 90 dB sensitivity

·       5 Watt multi-tap transformer for 100V, 70V and 25V distributed lines

·       Very wide 175° coverage

·       Fits CSS-BB4 backcan


Driver Size (dual-cone)

100 mm (4 in)

Driver Sensitivity (mid-range) 

(1W [2.83V], 1m, 2k – 6k Hz)

90 dB

Frequency Range (-10 dB) 

Driver/Grille Assembly

85 Hz – 18 kHz

Installed in CSS-BB backcan

130 Hz – 18 kHz

Coverage (2 kHz)


Driver Continuous Power Handling

15 Watts

100V Taps

5W, 2.5W, 1.3W

70V Taps

5W, 2.5W, 1.3W, 0.7W

25V Taps

5W, 2.5W, 1.3W, 0.7W

Transformer Insertion Loss

1.5 dB Maximum

Transformer Connection

Bare wire

Motor Mass

200 g (7 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


Other Compatible Backcans


Bolt Mounting Circle to Backcan

4 points on 165 mm (6.5 in) diameter

Cutout Diameter Open-back

125 mm (5.0 in)

In CSS-BB backcan

170 mm (6.7 in)

Depth (behind grille)

94 mm (3.7 in)

Grille Diameter

198 mm (7.8 in)

Net Weight (ea)

0.90 kg (1.0 lb)

Shipping Weight (ea)

1.26 kg (2.8 lb)

Included Accessories

4 pcs M4 x 40 mm sheet metal screws for attaching speaker/driver/transformer assembly to corresponding