The back box for LC3 ceiling loudspeakers: snap-in ABS that keeps out dust, falling objects and vermin and stops sound travelling through the ceiling. The LC3-UC06E needs it for EN54-24 (IP21C). Scroll down for details.

A general-purpose, cost-effective 6 W ceiling loudspeaker for speech and music, in light, self-extinguishing ABS (UL 94 V0). Integral spring arms hold it in a 167 mm cut-out in ceilings 5 to 25 mm thick. 6 / 3 / 1.5 W taps on 100 V. Scroll down for details.

A cost-effective 6 W ceiling loudspeaker for voice alarm: EN54-24 and BS 5839-8 when fitted with the LC3-CBB back box. Ceramic screw terminal, thermal fuse and heat-resistant wiring keep the line working in a fire. Self-extinguishing ABS, spring arms, 167 mm cut-out. 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 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.

A general-purpose, cost-effective 6 W ceiling loudspeaker with a circular metal grille and dual cone, for speech and music in shops, schools, offices, hotels and restaurants. Two spring clamps fix it in a 165 mm cut-out; the LBC3080/01 steel fire dome is optional. Scroll down for details.

A powerful 10 W sound projector for superb speech and music indoors and outdoors, and for voice alarm: EN54-24, IP65, 75 Hz to 20 kHz. A mounting plate with safety cord makes wall or ceiling mounting easy for one installer. Scroll down for details.

A powerful 20 W sound projector for superb speech and music indoors and outdoors, and for voice alarm: EN54-24, IP65, 75 Hz to 20 kHz. A mounting plate with safety cord makes wall or ceiling mounting easy for one installer. Scroll down for details.

A powerful 20 W pendant sphere for superb speech and music in buildings with high ceilings, hypermarkets and superstores, and for voice evacuation: EN54-24, IP65. Hangs from its 5 m cable with provision for a steel safety cord. 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-LMC Lavalier microphone Lavalier clip-on microphone with windscreen, for use with the Belt-pack transmitters MW1-LTX-F5, Frequency range 100 Hz to 12 kHz, Polar pattern Cardioid, Sensitivity (at 1 kHz) -70 dB ± 3 dB.

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.

Bosch PLE‑1CS Plena All‑Call Call Station, metal base design with fixed 2 m cable and lockable, Sensitivity : 0.7 mV @ 85 dB SPL (2mV/Pa), Maximum input sound level : 110 dB SPL, Distortion <0.6% (maximum input), Input noise level (equiv.) : 28 dB SPLA (S/N 66 dBA ref. 1 Pa), Frequency response : 100 Hz to 16 kHz, Euro style connector.

Bosch PLE-1MA060-EU 60W Plena Mixer Amplifier, 4 microphones and 3 background music (BGM) inputs, 100 V and telephone input with priority & VOX, 2-tone chime, Announcement only output, 3-wire volume override, Outputs for line out and music only out, Unique easy-to-use intuitive tone controls, Voice-activated emergency override, 230 VAC ±10%, 50/60 Hz.

Bosch PLE-1MA120-EU 120W Plena Mixer Amplifier, 4 microphones and 3 background music (BGM) inputs, Speaker output: 100 V and 4 Ohm, Announcement only output, 3-wire volume override, 100 V and telephone input with priority & VOX, Voice-activated emergency override, Master output for expansion, Frequency response 50 Hz to 20 kHz (+1/‑3 dB @ ‑10 dB ref. rated output), Distortion <1% @ rated output power, 1 kHz.

Bosch PLE-1ME120-EU 120W Plena Mixer Amplifier, 4 microphones and background music (BGM) input, Announcement only output, 3‑wire volume override, PTT (push to talk), 2‑tone chime, Built-In Standard Headphone Output, Loudspeaker output 4 ohm: 22 V (120 W), Frequency response (Line) : 60 Hz to 20 kHz (+1/‑3 dB @ ‑10 dB), Frequency response (Mic.) : 70 Hz to 20 kHz (+1/‑3 dB @‑10 dB).

Bosch PLE-1ME240-EU 240W Plena Mixer Amplifier, 4 microphones and background music (BGM) input, Announcement only output, 3‑wire volume override, PTT (push to talk), 2‑tone chime, Built-In Standard Headphone Output, Loudspeaker output 4 ohm: 31V (240 W), Frequency response (Line) : 60 Hz to 20 kHz (+1/‑3 dB @ ‑10 dB), Frequency response (Mic.) : 70 Hz to 20 kHz (+1/‑3 dB @‑10 dB).