Bosch LA1-UM40E-1 40W Metal Column Loudspeaker, Maximum power 60W, Rated input voltage 17.89 / 70 / 100 V , Rated impedance 8/125/250 ohm, 40 / 20 / 10 / 5 W Power Tapping, 111 / 95 dB SPL at 1 W (1 kHz, 1 m), Effective frequency range (-10 dB) : 250 Hz to 16 kHz.

Bosch LA1-UM20E-1 20W Metal Column Loudspeaker, Maximum power 30W, Rated input voltage : 12.65 / 70 / 100 V , Rated impedance 8/251/500 ohm, 20 / 10 / 5 / 2.5 W Power Tapping, 105 / 92 dB SPL at 1 W (1 kHz, 1 m), Effective frequency range (-10 dB) : 240 Hz to 16 kHz.

Bosch LH1-UC30E 30W Music horn loudspeaker, ABS material, Maximum power: 45 W, Rated power (PHC): 30 W, Power tapping: 30W / 15W / 7.5W / 3.75W, Sound pressure level at rated power / 1 W(1 kHz, 1 m): 115 / 100 dB (SPL), 212 Hz to 20 kHz Effective frequency range, two-way system for high-quality speech and music, reproduction, IP66, EN54-24 certified, light gray RAL 7035.

Bosch LC1-CBB Back box for LC1 speaker, Protects rear of the loudspeaker from dust and dripping water, Makes unit vermin proof, Prevents sound traveling via ceiling cavity to adjacent areas, EN54-24 certified.

Bosch LH3-UC25XL 25W Horn loudspeaker, Flameproof horn loudspeaker with long flare, Rated power: 25W, Tapping: 25/15/6.5/5/2.5/1.5 W, SPL at rated power: 122 dB / 109 dB, 100 V, Black color.

Bosch LBC3086/41 6W Ceiling Speaker, integrated circular metal grille, mounting-ring with three spring-loaded ceiling clamps and bayonet loudspeaker mounting, Maximum power 9 W, Rated power 6 / 3 / 1.5 / 0.75 W, Sound pressure level at 6 W / 1 W (1 kHz, 1 m): 98 dB / 90 dB (SPL), Effective frequency range (-10 dB): 90 Hz to 20 kHz, Opening angle at 1 kHz/4 kHz (-6 dB): 180° / 50°, white RAL 9010. Supports Bosch LBC3081/02 Metal fire dome (sold separately)