YBO-BSB2(WHT)/RL Base Sounder Beacon - White case, red LEDsYBO BSB2(WHT) RL Base Sounder Beacon White case, red LEDs Manufactured by Hochiki, this Hochiki YBO BSB2 (WHT) RL Base Sounder Beacon White Case, Red LEDs is an O Rated EN54 23 compliant addressable loop powered Base Sounder with integral Beacon, innovatively designed to give a range of tones and volumes with a maximum output of up to 98 dB(A) (2 dB(A)) with low current consumption. The unit is designed to fit to the Standard Base (YBN R 3(WHT)) or