A 100 W volume control for 100 V loudspeaker lines, 10 x 2 dB + off, with a built-in 24 VDC override relay so emergency calls play at the preset level. Power-save version (relay activated during an emergency call). Supplied with a surface mounting box. Scroll down for details.

A 100 W volume control for 100 V loudspeaker lines, 10 x 2 dB + off, with a built-in 24 VDC override relay so emergency calls play at the preset level. Failsafe version (relay deactivated during an emergency call). Supplied with a surface mounting box. Scroll down for details.

A steel fire dome, flame red RAL 3000, EN54-24 certified and B15 to DIN 4102, for LBC3090/01, LBC3090/31, LHM0606/10 and similar loudspeakers. Fixed with four self-tapping screws; knock-outs for two grommets and two PG13 glands. Scroll down for details.

The steel fire dome for the LBC3086/41 ceiling loudspeaker, flame red RAL 3000. With it, the LBC3086/41 is EN54-24, BS 5839-8 and IP32, and the cable termination is better protected. Scroll down for details.

A 6 W dual-cone ceiling loudspeaker for voice alarm, speech and music, with an integrated metal grille. Ceramic terminal blocks, thermal fuse and heat-resistant wiring; EN54-24, BS 5839-8 and IP32 with the LBC3081/02 fire dome. A mounting ring with three spring clamps and bayonet fitting, 196 mm cut-out. Scroll down for details.

Bosch LBC 3472/00 Driver Unit, Horn driver 25W, for use with LBC3478/00 (14") or LBC3479/00 (20") horns, light gray RAL 7035, Rated power : 25/12.5/6.25 W, 121 dB / 107 dB (SPL), Effective Frequency Range (-10dB) : 550 Hz to 5 kHz.

Bosch LBC 3473/00 Horn driver 35W, for use with LBC3478/00 (14") or LBC3479/00 (20") horns, light gray RAL 7035, IP65, Rated Power : 35 / 17.5 / 8.75 W, 127 dB / 112 dB (SPL), Effective Frequency Range : 380 Hz to 5 kHz.

Bosch LBC 3474/00 Horn driver 50 W, for use with LBC3478/00 (14") or LBC3479/00 (20") horns, light gray RAL 7035, 50 / 25 / 12.5 W Rated Power, 127 dB / 110 dB (SPL), Effective frequency range (-10 dB) : 350 Hz to 4 kHz, Opening angle : at 1 kHz/4 kHz (-6 dB) : 60° / 28°.

Bosch LBC3478/00 Horn 14" without driver, aluminum material, for use with horn drivers LBC3472/00 (25 W), LBC3473/00 (35 W), and LBC3474/00 (50 W), light gray RAL 7035.

Bosch LBC 3479/00 Horn 20” without driver, aluminum material, for use with horn drivers LBC3472/00 (25 W), LBC3473/00 (35 W), and LBC3474/00 (50 W), light gray RAL 7035.

A high-efficiency 20 W circular horn loudspeaker in aluminium and ABS for excellent speech outdoors: sports grounds, parks, exhibitions, factories and swimming pools. IP65, light grey RAL 7035, fixed 2 m four-core cable and an adjustable bracket. Aluminium with ABS for strength and low weight; a PVC edge protects the horn against impact. Scroll down for details.

A high-efficiency 30 W circular horn loudspeaker in aluminium and ABS for excellent speech outdoors: sports grounds, parks, exhibitions, factories and swimming pools. IP65, light grey RAL 7035, fixed 2 m four-core cable and an adjustable bracket. Aluminium with ABS for strength and low weight, a 400 mm horn. Scroll down for details.

A compact yet powerful 6 W ceiling loudspeaker with a perforated metal grille and a very wide opening angle. IPx4 water protected from the front, so it suits humid areas. Integral clips, 145 mm cut-out, push-in loop-through terminal. Scroll down for details.

A steel fire dome with grommets for LC1 modular ceiling loudspeakers, flame red RAL 3000, 190 mm cut-out. It keeps fire out of the ceiling cavity and makes the LC1 EN54-24 certified. Scroll down for details.

A 6 W LC1 modular ceiling loudspeaker (6-inch dual cone) with a steel frame and grille, for 70 V and 100 V. It fits into a separately ordered housing: bracket, mounting ring with back box, or metal fire dome. EN54-24 and BS 5839-8 with a fire dome, the surface box, or ring plus back box. Scroll down for details.

A 24 W LC1 modular ceiling loudspeaker (6-inch coaxial) with a steel frame and grille, for 70 V and 100 V. It fits into a separately ordered housing: bracket, mounting ring with back box, or metal fire dome. EN54-24 and BS 5839-8 with a fire dome, the surface box, or ring plus back box. Scroll down for details.

A cost-effective 6 W dual-cone ceiling loudspeaker for speech and background music, with a metal grille and metal fire dome. EN54-24 certified and BS 5839-8 compliant, with a ceramic terminal block and thermal fuse for loop-through wiring. Spring arms, 170 mm cut-out. Scroll down for details.

A compact, cost-effective 6 W ceiling loudspeaker with a perforated metal grille in a plastic surround and a very wide opening angle, so fewer units cover an area. 92 dB at 1 W, up to 100 dB. Integral clips for ceilings 9 to 25 mm, screw terminal next to the driver. Scroll down for details.

A Bosch 6W ceiling loudspeaker from the Entry Level Ceiling Series, for speech and alarm tones in public address. ABS frame, steel grille, 6 / 3 W, 92 dB SPL at 1 W, 180 mm cut-out. Not EN54-24. Scroll down for details.

A Bosch 6W EN54-24 ceiling loudspeaker from the Entry Level Ceiling Series, for speech and alarm tones in public address and voice alarm. ABS frame, steel grille, ABS back can, 6 / 3 W, 92 dB SPL at 1 W, 180 mm cut-out. EN54-24 certified. Scroll down for details.