Used d & b Audiotechnik Q-sub (Q subwoofer)
Used d&b Audiotechnik Q-sub (Q subwoofer) is an actively driven, low-compression bass-reflex loudspeaker built around a high-excursion 18-inch driver, capable of delivering up to 133 dB SPL and designed to integrate with the wider Q-Series system. Available second-hand from professional audio workflows worldwide, scroll down to browse current used Q-sub listings from verified sellers.
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d & b Audiotechnik Q-sub (Q subwoofer) specifications
| Brand | d and b Audiotechnik |
| Segment | Audio |
About the d & b Audiotechnik Q-sub (Q subwoofer)
The d&b Audiotechnik Q-sub is an actively driven low-compression bass-reflex subwoofer fitted with a high-excursion 18-inch driver. It achieves a maximum SPL of up to 133 dB (peak, with a D12, D20 or D80 amplifier) and covers a frequency response of 40 Hz to 130 Hz (-5 dB). Power handling is rated at 400 W RMS and 1600 W peak. The cabinet is constructed from marine plywood with an impact-resistant paint finish, and is mechanically compatible with the Q1 and Q7, supporting ten rigging socket positions for flown or ground-stacked configurations. Rear-panel connectivity comprises two EP5 or NL4 connectors wired in parallel. The enclosure includes heavy-duty wheels, a pair of handles, protective bottom runners and an M20 threaded flange for stand mounting, with dimensions of 493 x 580 x 668 mm and a weight of 42 kg.
d & b Audiotechnik Q-sub (Q subwoofer) — buyer FAQs
What is the d&b Audiotechnik Q-sub and what type of loudspeaker is it?
The d&b Audiotechnik Q-sub is an actively driven, low-compression bass-reflex subwoofer built around a high-excursion 18-inch driver. Its cabinet is constructed from marine plywood with an impact-resistant paint finish and includes heavy-duty wheels, carry handles and an M20 threaded flange for stand mounting. It weighs 42 kg and measures 493 x 580 x 668 mm (without wheels).
Who makes the Q-sub and where does it sit in the d&b Audiotechnik range?
The Q-sub is made by d&b audiotechnik, a German professional audio manufacturer based in Backnang that produces loudspeaker systems, subwoofers, amplifiers and system control software for the rental, touring and installation markets. The Q-sub sits within d&b's Q-Series and is mechanically compatible with the Q1 and Q7 full-range cabinets, allowing it to be combined into integrated Q-Series systems.
What amplifiers can drive the d&b Q-sub, and how does the choice affect output?
The Q-sub is compatible with several d&b amplifiers: with a D6 it reaches 129 dB SPL maximum, while a D12, D20 or D80 raises that to 133 dB SPL. Power handling is rated at 400 W RMS and 1600 W peak (10 ms). Up to two Q-sub cabinets can be run per amplifier channel across the D6, D12, D20 and D80.
Can the d&b Q-sub be flown as well as ground-stacked?
Yes. The Q-sub cabinet features ten sockets in the front grill and side panels that accept Q-Series rigging components, permitting flown or ground-stacked use in various combinations. It is mechanically compatible with the Q1 and Q7, and protective bottom runners locate into correspondingly shaped recesses in the top panel to prevent movement when units are stacked.
What should I check when buying a used d&b Q-sub?
Check that the 18-inch driver is undamaged and the cabinet shows no structural damage to the marine plywood. Confirm the rear-panel EP5 or NL4 connectors are intact, the metal grill and acoustically transparent foam are in good order, and that all wheels and handles function. The M20 stand flange and any rigging hardware are worth inspecting too. Used listings vary by condition and included accessories; check the live listings on this page for current options. Purchases on 10K Used carry a 21-day warranty covering major functional faults, with full detail in the buying guide at https://www.10kused.com/used-av-equipment-guide/.
