Bosch LB20-SW400-L, LB20-SW400-D Specsheet

Communications Systems | LB20-SW400 Cabinet subwoofer 2x10"

LB20-SW400 Cabinet subwoofer 2x10"

www.boschsecurity.com

u Two 10 inch high-excursion woofers

u Carefully engineered for outdoor environments

(IP54 and IP65), without compromising
performance

The LB20-SW400 subwoofer, from Bosch, is a
compact, high-performance, dual 10" (254 mm)
woofer loudspeaker with outstanding performance for
the most demanding professional and commercial
sound applications. Designed and engineered for use
in background and foreground music, and sound
reinforcement applications, the LB20-SW400 is the
ideal solution for indoor and outdoor applications,
such as restaurants, bars, patios, retail, fitness clubs,
hospitality, theme parks, leisure venues, and others.
Ease of installation, and flexible options for mounting
solutions and weather resistance, the LB20-SW400 is
the perfect solution for a wide variety of surface
mount applications.
The LB20-SW400 has been carefully engineered to
resist outdoor environments, without compromising
on performance for indoor applications. The
subwoofer is IP54 rated, and its weather-proofing is
complemented with exceptional cabinet and grille
resistance against sun, salt and moisture. For the
toughest weather conditions, the IP rating of the LB20­SW400 can be upgraded to IP65, using the included
port plug accessory.

u 400 W power handling provides for 120 dB

maximum SPL (126 dB peak)

u 70/100 V transformer input panel accessory

available

u Crossover input panel accessory available

The wide range of LB20 surface mount speakers has
been designed to work together as a complete system
in a variety of different surface mount constructions,
and to be used in combination with other LB20 ceiling
and in-wall speakers.

Technical specifications

Frequency response (-10 dB): 33 Hz - 500 Hz

Sensitivity: 94 dB

1

2

Max. SPL (Calculated): 120 dB (126 dB Peak)

Power handling: 400 W (1600 W Peak) Continuous

Pink Noise (100 hours)

Low Z: Yes

Nominal impedance: (2) 8 Ω (stereo mode); (1) 4 Ω

(mono mode)

Recommended High-Pass: 40 Hz (24 dB/octave)

Input transformer (70 V/100 V): Optional accessory

Transformer taps: Optional accessory

LF transducer: Two 10 inch (254 mm)

632.0 mm [24.88 in]

533.1 mm
[20.99 in]

650.7 mm
[25.62 in]

356.0 mm
[14.02 in]

360.5 mm
[14.19 in]

578.8 mm [22.79 in]

490.8 mm [19.32 in]

| LB20-SW400 Cabinet subwoofer 2x10"

2

Connectors: Two removable locking 4-pin

connector (Euroblock) - Input and
output.
Max. wire size 12 AWG (2.5 mm).

Environmental: IP-54 (per IEC-60529); IP-65 with

port covers

Color: Black (RAL 9004) or white (RAL

9003)

Dimensions (H x W x D): 356 mm x 651 mm x 491 mm

(14.0 in x 25.6 in x 19.3 in)

Net weight: 17.9 kg (39.5 lb)

3

3

Shipping weight: 21 kg (46.3 lb)

Included hardware: (2) Subwoofer feet, Allen wrench,

weather input cover, (8) screws for
the weather input cover, (2) IP65
port covers, (12) IP65 port cover
screws

Packaged quantity: 1

1

Half space (wall mounting).

2

Half space (on wall) averaged 50 Hz – 150 Hz, 1 W.

3

Without U-Bracket.

Frequency response and impedance:

Frequency response and impedance with cross-over:

Dimensions:

Architectural and engineering specifications:

The loudspeaker shall be a surface mount, dual-driver
system. The loudspeaker shall consist of two 10" (254
mm) woofers, with a weather resistant poly propylene
cone, and a 2" (51 mm) voice-coil.
The loudspeaker system shall meet the following
performance criteria: Power handling, 400 W of IEC
60268-5 continuous pink noise (6 dB crest factor);
Frequency response, 33 Hz -500 Hz (-10 dB from rated
sensitivity); Sensitivity, 94 dB at one watt, 50 Hz - 150
Hz at one meter; Impedance, two 8 Ohm nominal in
stereo mode, or one 4 Ohm nominal in mono mode.
The finish shall be paintable black (RAL 9004) or
paintable white (RAL 9003). The grille shall be zinc
plated, and powder coated for corrosion resistance.
The loudspeaker shall be designed for floor
installations and shall allow for it to be flown using
four M8 fly points on top and one M8 safety point on
the back. The loudspeaker shall also allow to be
installed with a U-Bracket, using an optional
accessory.
Electrical connections shall be through the input panel
on the rear of the loudspeaker, and is shall include an
IEC 60529 IP65 input weather cover. The loudspeaker
shall have two electrical connection through two 4-pin
detachable Euroblock connectors, one for input and
one for output to satellite speakers. The input panel
shall allow for stereo and mono operation using a
switch on the back of the loudspeaker.
The system shall be weather resistant to IEC
60068-2-5 Solar Radiation, IEC 60068-2-11 Salt Mist,
IEC 60068-2-42 SO2, IEC 60068-2-60 Chlorine, and IEC
60529 IP54 test conditions. If the included port covers
are installed, the system shall also be resistant to IEC
60529 IP65 test conditions. The mounting system shall
be EIA 636 tested, at a safety factor of 8:1 or better.
The enclosure shall be molded of polypropylene. The
loudspeaker shall weigh 17.9 kg (39.5 lb) and its
dimensions shall be 356 mm (14.0 in) high, 651 mm
(25.6 in) wide, and 491 mm (19.3 in) deep.

3 | LB20-SW400 Cabinet subwoofer 2x10"

Represented by:

Europe, Middle East, Africa: Germany: North America: Asia-Pacific:

Bosch Security Systems B.V.
P.O. Box 80002
5600 JB Eindhoven, The Netherlands
Phone: + 31 40 2577 284
[e-mail]
emea.boschsecurity.com

Bosch Sicherheitssysteme GmbH
Robert-Bosch-Ring 5
85630 Grasbrunn
Germany
www.boschsecurity.com

Bosch Security Systems, Inc.
130 Perinton Parkway
Fairport, New York, 14450, USA
Phone: [phone]
Fax: [phone]
[e-mail]
www.boschsecurity.us

Robert Bosch (SEA) Pte Ltd, Security Systems
11 Bishan Street 21
Singapore 573943
Phone: [phone]
Fax: [phone]
[e-mail]
www.boschsecurity.asia

© Bosch Security Systems 2017 | Data subject to change without notice
33476742667 | en, V3, 20. Dec 2017

The surface mount loudspeaker shall be the
LB20-SW400 model from Bosch.

Ordering information

LB20-SW400-D Cabinet subwoofer 2x10" black

Dual 10-inch cabinet subwoofer, weather-resistant
IP54, with IP65 port-plugs, black

Order number LB20-SW400-D

LB20-SW400-L Cabinet subwoofer 2x10" white

Dual 10-inch cabinet subwoofer, weather-resistant
IP54, with IP65 port-plugs, white

Order number LB20-SW400-L