Used Martin Audio Blackline S12
Used Martin Audio Blackline S12 is a passive subwoofer designed to deliver deep, rich bass for live performances and similar applications. Second-hand units appear regularly from professional environments such as theatre refits, making them a practical choice for musicians, DJs and event organisers. Browse the available used Blackline S12 listings below to find the right unit for your setup.
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Martin Audio Blackline S12 specifications
| Brand | Martin Audio |
| Segment | Audio |
About the Martin Audio Blackline S12
The Martin Audio Blackline S12 is a subwoofer built for versatile audio performance. It features a modified top hat designed to accept an M20 type pole, allowing straightforward integration with satellite speakers. An internal low-pass crossover is included, optimising bass reproduction and simplifying system configuration. The Blackline S12 is suited to live performance and audio applications where consistent, deep bass output is required, and its build quality reflects the reliability associated with the Martin Audio Blackline range.
Martin Audio Blackline S12 — buyer FAQs
What is the Martin Audio Blackline S12 and what is it used for?
The Martin Audio Blackline S12 is a passive subwoofer built to deliver deep bass for live performances and audio applications. It suits gigging musicians, DJs and event organisers who need consistent low-frequency output. Used units frequently come from professional installations such as theatre refits, reflecting the kind of regular commercial use the cabinet is designed to handle.
Who makes the Blackline S12 and where does it sit in their range?
The Blackline S12 is made by Martin Audio, a British loudspeaker manufacturer founded in 1971 and based in High Wycombe, England, now part of the Focusrite Group. The Blackline range sits within Martin Audio's broader portfolio of professional loudspeaker systems covering touring, live events and installations. The S12 is the subwoofer in the Blackline line and is designed to pair with compatible satellite speakers in that range.
What integration features does the Blackline S12 include?
The Blackline S12 includes an internal low-pass crossover, which optimises bass reproduction and simplifies system configuration without requiring an external processor. It also features a modified top hat designed to accept an M20 type pole, allowing a satellite speaker to be mounted directly on the cabinet for a compact, self-contained speaker stack.
What should I check when buying a used Blackline S12?
Check whether the internal low-pass crossover is functioning correctly and that the top hat pole mount is undamaged and accepts an M20 type pole securely. Cabinets from working environments may show cosmetic wear such as minor scuffs. Every listing on this page carries a 21-day warranty covering major functional faults; full details are in the buying guide at 10kused.com/used-av-equipment-guide/.
What drives the price of a used Martin Audio Blackline S12?
Used Blackline S12 pricing depends on overall cabinet condition, whether the unit comes as a single subwoofer or as a matched pair, any included accessories such as covers, and the source of the unit. Pairs from professional refits are common and may offer good value. Check the live listings on this page for current asking prices, which vary by condition and configuration.
