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B17i

The compact installation subwoofer.

B17i The compact installation subwoofer.

Related products to B17i

Description

The B17i is a compact installation subwoofer in a symmetrically vented enclosure, equipped with one 18" long excursion driver.

The fully symmetrical enclosure design enables identical performance with all set-up variations. Also directional sub arrays with partly reversed subwoofers are unrestrictedly possible in all combinations. Whether upright or crosswise, stacked on top of each other or side- by-side.

The B17i comes with i-series standard screw terminal connections
at the rear with optional speakONTM and cable gland available. Four recessed M10 threads allow multiple mounting options via brackets or steel wires.

Applications:
Clubs, bars, restaurants, theatres, Conference rooms, churches, TV studios...

Key features

  • Installation subwoofer in a compact, symmetrically vented enclosure
  • 18" long excursion chassis with 4" voice coil and 2400 W program power capacity
  • 4 × M10 screw threads for mounting of swivel bracket and eyebolt
  • Equipped with i-series screw terminal; speakONTM and cable gland optional
  • Coherent phase response with all TWAUDiO subwoofers
  • Operation with dedicated TWAUDiO presets on Dynacord TGX / IPX, Powersoft T / X or Lab.gruppen PLM / D series

B17i The compact installation subwoofer.

Technical data

Drivers1 × 18" LF
Frequency range37 - 110 Hz
Power capacity program / peak2400 / 4800 W
Impedance8 Ω
Coverageomni
Sensitivity 1 W / 1 m96 dB
SPL max / 1 m132 dB
Connectionscrew terminal IN± | LINK±
Optional connectionsspeakON™ NL4
cable gland
Dimensions (H × W × D)500 × 600 × 600 mm
19.7 × 23.6 × 23.6 in [19.69 × 23.62 × 23.62 × 0.93 × 0.93 in]
Weight34 kg | 75 lbs [75 lbs]
FinishWarnex texture paint
AccessoriesRSM10
OptionsRAL colors, polyurea coating (black)

Downloads

TWERiFY NFC

TWERiFY NFC TAG Position Guide EN (PDF - File)
5. February 2025 - Revision 1.2

Documentation

B17i Datasheet EN (PDF - File)
15. July 2024 - Revision 2.2
B17i manual EN (PDF - File)
14. July 2022 - Revision 2.0

Drawings

B17i PDF Drawings (PDF - File)
17. July 2025 - Revision 2
B17i DXF 2D (ZIP - File)
30. June 2023 - Revision 1

Simulation

BS17i (GLL - File)
27. January 2026 - Revision 1.7

Accessories B17i

References B17i

Compact Club Sound by the Beach INA Dubai Relies on TWAUDiO

In the heart of Dubai’s vibrant Jumeirah Beach District, a new hotspot for events, music, and upscale dining opened its doors in May 2025: INA. From the very beginning, it was clear that a high-quality and powerful audio system would be essential—one that could deliver consistent, impactful sound for background music, DJ sets, and live performances at a consistently professional level.

More references for B17i »

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