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6.5-inch Dual Voice Coil, Small Format Surface Subwoofer

The QSC AD-S.SUB is part of the AcousticDesign™ Series SUB/SAT loudspeaker solution, which is ideally suited for background music applications that require depth and clarity even at lower volume settings. The AcousticDesign Series SUB/SAT loudspeakers are specifically designed to be mix-and-match capable; meaning any combination of satellites may be paired with any subwoofer in the AD Series SUB/SAT line.



  • Dual voice-coil for improved thermal dissipation and higher output
  • Low saturation and low-loss 70/100 V transformers in mono mode
  • Low-Z mono or stereo configurable
  • 4x built-in high-pass filtered outputs
  • Locking 4-pole Euroblock connectors
  • Reversible rear panel cover with cable tie anchors
  • Reversible V-wall mount hardware
  • Intrinsic Correction™ voicings available via MP-M Series mixers and Q-SYS Platform, including the CXD-Q Series amplifiers
  • Available in black (RAL 9011) or white (RAL 9010)
Specifications AD-S.SUB
LF transducer 6.5-inch (165 mm) dual voice coil weather treated paper cone woofer
HF transducer N/A
Effective frequency range 45 Hz – 150 Hz
Rated noise power / voltage 100 W / 20 V (rms)
Sensitivity [dB]
(rated @ 1 W, 1 m)
Coverage (?6 dB) [°] Omni
Directivity factor TBD
Directivity index [dB] TBD
Maximum SPL [dB]
(continuous / peak)
100 / 106
Recommended amplifier 100 W
Transformer taps / impedance 70 V: 100, 50, 25, 12.5 W (mono only)
100 V: 100, 50, 25 W (mono only)
Bypass: 4 ? mono or 8 ? + 8 ? stereo
Connectors Hi-Z mono input: 4-pole Euroblock with thru output
Low-Z input: 4-pole Euroblock, left (mono) and right
Hi-pass mono output: x2 4-Pole Euroblock for x4 satellites
Enclosure material Vinyl wrapped medium density fiberboard
Port baffle / cover panel ABS
Ingress protection N/A
Operating environment Designed for indoor use
Operating temperature range -4 to 122° F (-20 to 50° C)
Net weight 23.6 lb (10.7 kg)
Product dimensions (Ø x H) 13.8 x 8.2 x 17-inch (350 x 209 x 432 mm)
Shipping weight TBD
Shipping dimensions (H x W x D TBD
Included accessories V-wall bracket, 4x euroblock connector, rear cover panel, adhesive rubber feet
Safety agency Transformer UL registered per UL1876, ROHS, CE compliant

As part of QSC's ongoing commitment to product development, specifications are subject to change without notice.

Synchrony Financial

Progressive Leasing

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