115SG

Compact passive ground stack 15” subwoofer

 
TransducersLF: 1 x 15″ Tetracoil
SPL peak (1)131 dB
Weight38.5kg
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Description

115SG is a compact, powerful passive touring subwoofer, created to complement multiple short-medium throw AUDIOFOCUS ranges, including the Cyris CX8 and Isolde AP108 point source loudspeakers.

115SG is designed for standalone and ground-stacked deployment, with a pole-mount socket allowing easy mounting of top cabinets.

The subwoofer houses a next-generation 15” neodymium LF transducer. Tetracoil Double Voice Coil technology allows 115SG to achieve best-in-class SPL for its size while ensuring outstanding efficiency and clarity.

All AUDIOFOCUS loudspeakers are built in Belgium by skilled craftspeople and state-of-the-art machinery before being coated in tough, weather-resistant polyurea to safeguard your investment.

Features

  • Tetracoil double voice coil for efficiency and clarity
  • Exceptional SPL in a compact footprint
  • Plug ‘n play system building with Isolde AP108 / Cyris CX8
  • Optimized for ground stack applications

Technical specifications (Preliminary information)

DescriptionHigh-power passive ground stack 15” subwoofer
TransducersLF: 1 x 15″ with Tetracoil Double Voice Coils
Frequency range (-6dB)35Hz-100Hz
SPL peak (1)131 dB
ProcessingDedicated AUDIOFOCUS SCiO and Armonia / Powersoft omni and cardioid presets
RiggingGround stack. Pole mount socket.
Connectors2 x 4-point speakON (front)
2 x 4-point speakON (rear)
Nominal impedance8ohm
Watt AES/peak900W / 3600W
Dimensions (H x W x D)500 x 595 x 600 mm
19.7 x 23.4 x 24.6 inches
Weight38.5 kg / 84.9 lbs
FinishHighly resistant polyurea coating
CabinetHigh grade birch plywood

(1) Mtone 12 dB crest factor

Technical sheet
115SG

PDF • 580 Kb • 18/01/2026

A Series
Output Chart

PDF • 170 Kb • 18/01/2026

SCiO Presets
115SG

Zip • 1 Mb • 18/01/2026

Armonia Presets
115SG

Zip • 17 Kb • 18/01/2026

DWG file
115SG

DWG • 2.4 Mb • 18/01/2026

SKP file
115SG

SKP • 4 Mb • 18/01/2026