One size bigger, nonetheless still compact: just like the B10, our B15 is a true multi talent. Especially with the optional passive crossover PWB15. The 1 × 15" fitted bass reflex system is suitable for the switchable bi-amp mode together with our M and C series loudspeakers, or as a passive bass extension.

The passive crossover has a satellite output with a switchable high-pass filter enabling the B15 to be used without additional system controllers together with various 8 ohm loudspeakers with one standard amplifier.

B15 Format with functionality.

Technical data

Drivers1 × 15"
Frequency range40 Hz - 1500 Hz
Power capacity program / peak1200 / 2400 W
Impedance4 Ohms (2,5 Ohms in passive mode with M8 at highpass output)
Sensitivity 1 W / 1 m94 dB
SPLmax / 1 m127 dB
ConnectionNL4 2± (bi-amp)
NL4 1± (passive)
Dimensions (H x W x D)506 × 440 × 560 mm [19.92 × 17.32 × 22.05 in]
Weight22,1 kg
24,2 kg with passive crossover [49 lbs]
FinishWarnex texture paint
AccessoriesFDB15, CoverB15
OptionsPWB15 internal passive crossover with biamped-passive switch, switchable highpass output for 8 Ohms satellite speaker, RAL colors



B15_manual_EN_1.1 (PDF - File)
10. December 2018 - Revision 1.1
B15P Quick Setup Guide (PDF - File)
22. March 2016 - Revision 1.0


B15 DXF 2D (ZIP - File)
22. March 2016 - Revision 1.0
B15 PDF Drawings (PDF - File)
22. March 2016 - Revision 1.0


B15 (GLL - File)
17. May 2017 - Revision 2.1

Accessories B15

References B15

More about
View and download the TW AUDiO catalogue.
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Hotline support:
+49 7141 488 989-55
Office Ludwigsburg
Osterholzallee 140 - 2 / D-71636 Ludwigsburg

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