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QSC AD-S.SUB-BK 6.5" Dual Voice Coil Small Format Surface Subwoofer - Black
$645.00
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Expected June 30, 2026
Key Highlights
- 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.
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The 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.
QSC AD-S.SUB-BK 6.5" Dual Voice Coil Subwoofer - Black Features:
- 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.
- Available in black (RAL 9011).
QSC AD-S.SUB-BK Product Specifications:
| 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) |
86 |
| 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 Ω mono or 8 Ω + 8 Ω 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 |
Each AD-S.SUB-BK Retail Box Includes:
(1) QSC AD-S.SUB-BK 6.5" Dual Voice Coil Small Format Surface Subwoofer - Black
(1) Rear panel cover
(3) Eurostyle plug (4-pole)
(1) Wall mount bracket
(5) Fasteners
(4) Adhesive rubber feet
(1) Warranty
(1) Quick Start Guide