The B30 touring version set a standard in footprint to output ratio to this day. The logical consequence is to integrate this loudspeaker also as an install version in the TW AUDiO range.

The hybrid construction of our B30i with 2 × 15“ speakers combines the advantages of bass reflex and horn systems – high efficiency, great range and a deep low frequency limit.

The connection to the acoustic field happens over the entire front area thus reducing air friction and flow losses to a minimum. The result is efficient energy transfer with simultaneous controlled impulse reproduction and excellent dynamics.

And at about 36 kg (80 lbs) the B30i is a lightweight. The relation of its size, weight and output turns this TW AUDiO classic into something special.

Key features

  • Subwoofer with great musicality in a hybrid design
  • 2 × 15” long excursion chassis with high sensitivity
  • High SPL output over wide frequency bandwidth in lightweight enclosure
  • Outstanding footprint to output ratio
  • Coherent phase response with all TW AUDiO subwoofers
  • Operation with dedicated TW AUDiO presets on Lab.gruppen PLM / D or Powersoft K / X series

B30i The installation version of the B30.

Technical data

Drivers2 × 15" LF
Frequency range35 Hz - 110* Hz
Power capacity program / peak2000 / 4000 W
Impedance8 Ω
Sensitivity 1 W / 1 m97 dB
SPL max / 1 m133 dB
Connectionscrew terminal IN± | LINK±
Optional connectionsspeakON™
cable gland
Dimensions (H × W × D)440 × 700 × 800 mm [17.32 × 27.56 × 31.5 in]
Weight36,3 kg [80 lbs]
FinishWarnex texture paint
OptionsRAL colors, polyurea coating (black)
*With dedicated presets a frequency of up to 200 Hz can be achieved.



TWERiFY NFC TAG Position Guide EN (PDF - File)
26. January 2024 - Revision 1.1


B30i manual EN (PDF - File)
20. July 2023 - Revision 2.0
B30i_Datasheet_EN_1.0 (PDF - File)
14. February 2019 - Revision 1.0


B30i DXF 2D (ZIP - File)
30. June 2023 - Revision 1
B30i PDF Drawings (PDF - File)
7. March 2023 - Revision 1

Accessories B30i

References B30i

TWAUDiO ELLA declared “outstanding” in first UK installation

As the UK gradually moves towards easing COVID restrictions, one of Greater London’s most prestigious wedding venues is preparing by becoming home to the UK’s first TWAUDiO ELLA system, provided by leading London-based AV specialist Flipside Soundsystem.
More about
View and download the TW AUDiO catalogue.
View catalogue
Hotline support:
+49 7141 488 989-55
Office Ludwigsburg
Osterholzallee 140 - 2 / D-71636 Ludwigsburg