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.

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.

A 10 W sound projector for speech and background music indoors or outdoors: shopping centres, factory grounds, sports fields, restaurants and exhibitions. Robust self-extinguishing ABS, splash-waterproof IP63, steel bracket and a fixed 2 m cable. Scroll down for details.

A 10 W pendant sphere that hangs from its own cable, for speech and music in high-ceiling buildings, hypermarkets, superstores and swimming pools. Splash-waterproof ABS, 5 m cable you can shorten, cable clamp and ceiling cover supplied. Scroll down for details.

The back box for LC1 modular ceiling loudspeakers, used with the LC1-CMR mounting ring: white ABS, protects against dust and vermin. Ring plus back box make the LC1 EN54-24 and IP21C. Scroll down for details.

The U-bracket for LC1 modular ceiling loudspeakers: zinc-plated steel, 190 mm cut-out, ceilings up to 50 mm thick. Template included. LC1 loudspeakers are sold without a bracket. 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 two-way music horn for high-quality speech and music: sports grounds, stadiums, leisure parks, exhibition areas and passenger terminals, or indoor public address. EN54-24, BS 5839-8, IP66, with room inside for an optional line or loudspeaker supervision board. 70 V and 100 V. Scroll down for details.

A flameproof 25 W horn loudspeaker with a long flare, designed and certified for areas with explosive gas-air mixtures: IECEx, ATEX, US, CSA and CCC. Sturdy, light anti-static polyamide, a 316 stainless steel bracket with ratchet, IP66/67. The long flare gives a higher SPL for longer distances. Scroll down for details.

Bosch MW1-HTX-F5 Microphone with transmitter, 722-746 Hz, UHF wireless handheld microphone transmitter, LCD with battery status and frequency indication, supplied with microphone holder, batteries and storage case, Frequency range: 722-746 MHz, 193 selectable UHF channels.

Bosch MW1-LTX-F5 Belt-pack transmitter, 722-746 MHz, UHF belt-pack transmitter, LCD with battery status and frequency indication, supplied with clip-on lavalier microphone, batteries and storage case, Frequency range : 722-746 MHz, 193 selectable UHF channels.

Bosch MW1-RX-F5 Microphone receiver, 722-746 MHz, UHF wireless microphone receiver, true diversity for stable reception, PLL synthesized technology, supplied with AC/DC adapter with power cord and 1.5 m 3 pin XLR male/ female audio cable, Frequency range: 722-746 MHz, 193 selectable UHF channels.

The Bosch PRA-APAL licenses one operator device (PC or tablet) on the PRA-APAS server: music and volume control, scheduled and recorded calls, text-to-speech and user profiles in a web browser. Scroll down for details.

The Bosch PRA-MPS3 powers up to three PRAESENSA amplifiers from three independent 48 V supplies plus a 24 V output, charges one 12 V backup battery, and carries a 6-port OMNEO switch with fibre and PoE. Scroll down for details.

The Bosch PRA-EOL supervises each PRAESENSA loudspeaker line to its end without extra wiring, as EN 54-16 line integrity monitoring requires. Scroll down for details.

The Bosch PVA-4CR12 is the PAVIRO controller: 4 audio channels and 12 loudspeaker zones on board, up to 492 zones with PVA-4R24 routers, with EN 54-16 voice evacuation and message management built in. Scroll down for details.

The Bosch PVA-1WEOL supervises each PAVIRO loudspeaker line to its end for open and short circuits, as EN 54-16 requires, on 50 V, 70 V and 100 V lines. Scroll down for details.

The Bosch PVA-15CST is the PAVIRO desk call station: 15 programmable keys, a display, a monitored gooseneck microphone and up to 5 PVA-20CSE key extensions for paging and control. Scroll down for details.