BOSCH Sound SYSTEMS | LC3-UC06 Ceiling Loudspeaker, General Purpose, 6 Watt, 100 V Connection With Power Tapping of 6, 3, 1.5 Watt Product Features Suitable for speech and reproduction music Light weight ABS material Easy to install Unobtrusive design EN 54-24 certified Technical Specification Model CodeLC3‑UC06 Rpowerated W (6/3/1.5/0.75 W Sound pressure level at 6 W power / 1 W (1 kHz, 1 m)94 dB / 86 dB (SPL) Sound pressure level at 6 W power / 1 W (1 kHz, 3 m)85 dB / 78 dB (SPL) Opening angle at 1 kkHz / 4kHz (-6 dB)180° / 85° Effective frequency range (-10 dB)90 Hz to 20 kHz Electrical connection3‑pole ceramic screw terminal block Acceptable wire gauge0.5 - 3 mm2