Bosch LB1-UM50E-L Cabinet Loudspeaker 50W White F.01U.076.931

BoschLB1-UM50E-L Speaker, 50W, White Super Sound Speaker Series High-fidelity music and voice playback effects Supplied with adjustable wall mounting bracket Overload protection function with automatic reset Optional line/speaker monitoring board can be installed inside EN54-24 certification Product LB1-UM20E-(D/L) , LB1-UM50E-(D/L) illustrate Super Sound Effect Speaker, Super Sound Effect Speaker Max. power 30 W , 75 W Rated power (PHC) 20 W , 50 W Power tap 20 / 10 / 5 / 2.5 W , 50/25/12.5/6.25W Rated power / Sound pressure level at 1 W (1 kHz, 1 meter) 101 dB / 88 dB (SPL), 108 dB / 91 dB (SPL) Sound pressure level at rated power/1W (1kHz, 4 meters) 87 dB / 74 dB (SPL), 94 dB / 79 dB (SPL) Effective frequency range(-10 dB) 90 Hz to 20 kHz , 90 Hz to 20 kHz Opening angle at 1 kHz/4 kHz