JBL CSS8004 Ceiling Speaker, 4 inch, 15W, 85–18000 Hz, 90 dB

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.

Model CSS8004 is a 100 mm (4 in) speaker with 90 dB sensitivity and a 5-Watt multi-tap transformer.

The speaker’s pre-attached triplevoltage transformer provides versatility by allowing use on 100V, 70V or 25V distributed loudspeaker lines.

The drivers feature a full 25 mm (1 in) diameter voice coil with a Kapton coil-former and hightemperature wire for better power dissipation and long-term reliability. For installation convenience, the speaker grille and transformer are preattached to the driver. Grilles are painted, zinc-plated, cold-rolled steel. The 200 mm (8 in) models feature a standard 286 mm (11¼ in) boltmounting diameter. Matching CSS backcans are made of zinc-plated steel with powder-coated finish. CSS steel pre-install backcans can be installed, wired, and inspected prior to installation of the speaker.