Bosch LB20-PC15-4 4-Inch 70/100 V Cabinet Loudspeaker Pair
The LB20-PC15-4 4-Inch 70/100 V Cabinet Loudspeaker Pair is a Bosch surface-mount cabinet loudspeaker for distributed paging and background music. It belongs to Bosch's public address and voice alarm range. Bosch quotes a 75 - 20000 Hz frequency response and 86.50 dB sensitivity.
It offers innovative mount system is included for quick, simple, and reliable installations, carefully engineered for outdoor environments (IP54), without compromising performance and long throw 4" (102 mm) woofer housed in a fire rated ABS plastic enclosure for extended LF performance down to 75 Hz. It ships with 2 x speakers with speaker brackets attached, 2 x wall mount brackets, 2 x dust covers, allen wrench and 2 x grille logos (spare). Pick the version you need from the options on this page; each one ships as its own Bosch part number.
| Rated input voltage (V) | 70 V; 100 V |
|---|---|
| Frequency range (-10 dB) (Hz) | 75 - 20000 Hz |
| Sensitivity (1 W, 1 m, 1 kHz octave) (dB) | 86.50 dB |
| IP rating | IP54 |
| Dimensions (H x W x D) (mm) | 193 x 140 x 120 mm |
| Weight (kg) | 1.80 kg |
| Color | Black / White |










