Prospect ls21b 2 channel monitor loudspeaker monitoring speaker unit
excellent order, used in OB truck previously
The LS21B provides general-purpose loudspeaker monitoring of two line-level signals, where the spacial separation of the loudspeakers can assist identification of the sources. This feature is mainly applicable to communications uses, where the level controls and signal presence LED’s are also required.
LINE INPUT / SPEAKER AMPLIFIER INPUT IMPEDANCE 50k ohm, active-balanced on XLR3F
INPUT SENSITIVITY +8dBU for max L.S. output (LS21A) -20dBU min for max L.S. output (LS21B)
MAXIMUM L.S. POWER 5W per channel at clipping
POWER MAINS 100-240V AC, 30W, on IEC connector
PHYSICAL DIMENSIONS W 482mm D 230mm H 44mm (1U) WEIGHT 2.5kg FINISH Dark grey front pane