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Bosch LB20-PC15-4D & LB20-PC15-4L

Pair of cabinet speakers with innovative wall mount system. Black or White. 4", 15 watts @ 100 volt line.
Water resistant, rated IP54.

List price Ex. VAT: £241.00

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The Bosch LB20-PC15-4D and LB20-PC15-4L compact cabinet loudspeakers feature a 4” driver with 15 watt power output at 100 volt line / 70 volt line.

Water resistant, rated IP54.

The innovative mounting bracket enables all wiring to completed and terminated at first fix. The speaker is then simply clicked into place with no further cables or connections required or visible.

Furthermore, the speaker can be mounted horizontally or vertically thanks to the rotatable badge.

The fire rated ABS plastic enclosure houses a long throw 4" (102 mm) woofer for extended LF performance down to 75 Hz and 0.75" HF transducer.

Supplied and priced per pair.

The Bosch LB20 series is a new range of commercial loudspeakers can be  used indoors or outdoors. Superior quality ensures higher SPLs and maximum intelligibility. They are available in a range of sizes and different power offerings all acoustically and aesthetically matched. Please see the related products tab for other Bosch LB20 series loudspeakers.

Additional Information



Speaker type


Max. Power

240 W

RMS Power

120 W


8 Ω

Sensitivity (1W/1m)

89 dB

Sound Pressure (Max. W/1m)

110 dB

Frequency Response (± 3 dB)

60 Hz - 18 kHz

Frequency Range (-10 dB)

50 Hz - 20 kHz

Crossover Frequency

2.5 kHz

Crossover Type

Passive built-in


120° Horizontal, 120° Vertical


4-pin Euro Terminal Block (Pitch - 5.08 mm)


1” HF, 8” MF, 8” HF


250 x 380 x 262 mm (W x H x D)




Medium Density Fibreboard with structured coating

Front finish

Steel grill

Mounting & handling

2-way Revolving mounting bracket


Black (RAL9004) (XENO8/B) or White (RAL9003) (XENO8/W)

Dimensions (H x W x D):

193 mm x 140 mm x 120 mm (7.6 in x 5.5 in x 4.7 in)

Net weight:

1.8 kg (4.0 lb)

Included hardware:

Mounting bracket and 4-mm Allen wrench

View FileBosch LB20 Series General Commercial Brochure    Size: (1018.82 KB)
View FileBosch LB20 Series Installation Manual    Size: (1.96 MB)
View FileBosch LB20-PC15-4 Cabinet Loudspeaker Datasheet    Size: (660.81 KB)
Product video for Bosch LB20-PC15-4D & LB20-PC15-4L