JBL 2.0 active soundbar with an application-specific feature set for hotel guestrooms and cruise ship staterooms. Volume limiting switch places upper limit on SPL. Security lockout plate prevents guests from tampering with advanced settings. One RCA analog input. Four 19mm (0.75 ) HF drivers, and two 51mm (2.0 ) LF drivers. Class D amplifier delivers 20W per channel. 56Hz - 20KHz (+/- 3dB). Works with any TV's line level, analog, stereo output (fixed or variable volume). IR Learning allows the PSB-1 to be controlled by any remote. All table/wall mounting hardware included. Black.