Used Martin Audio CSX218
Used Martin Audio CSX218 subwoofers are dual-driver bass cabinets built for live sound professionals seeking deep, impactful low-frequency performance. Each unit houses two 18-inch (460mm) drivers fitted with 4-inch (100mm) voice coils, and the enclosure is available in both black and white finishes. Browse the second-hand Martin Audio CSX218 listings currently available by scrolling down.
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Martin Audio CSX218 specifications
| Brand | Martin Audio |
| Segment | Audio |
About the Martin Audio CSX218
The Martin Audio CSX218 is a dual-driver subwoofer featuring two 18-inch (460mm) drivers, each equipped with a 4-inch (100mm) voice coil for substantial bass output and clarity. Available in black or white finishes, it is suited to a range of installation and live sound environments. The CSX218 is regularly deployed alongside Martin Audio line array systems, complementing mid and high-frequency cabinets with additional depth and punch. Its build is designed to perform reliably in demanding conditions, making it a practical choice for both live event professionals and installed venues.
Martin Audio CSX218 — buyer FAQs
What is the Martin Audio CSX218 and what does it do?
The Martin Audio CSX218 is a dual-driver subwoofer housing two 18-inch (460mm) drivers, each fitted with a 4-inch (100mm) voice coil. It is designed to deliver deep, low-frequency bass output for live sound and installed environments. The cabinet is available in black and white finishes, allowing it to integrate into different setups, and each unit is priced and sold individually.
What is the CSX218 typically paired with in a live sound system?
The CSX218 is regularly deployed alongside Martin Audio line array systems, where it provides additional low-frequency depth to complement mid and high-frequency cabinets. Used packages sometimes combine the CSX218 with Martin Audio WPS or WPM line arrays and a compatible Martin Audio amplifier, making it a common component in complete touring or installed audio rigs.
Who makes the Martin Audio CSX218 and where does it sit in their range?
Martin Audio is a British loudspeaker manufacturer founded in 1971 by Dave Martin and based in High Wycombe, England. The company produces professional loudspeaker systems, line arrays, subwoofers and amplifiers for touring sound, live events and installations, and has been part of the Focusrite Group since 2019. The CSX218 sits within their subwoofer range, supporting Martin Audio line array systems at the low-frequency end.
What should I check when buying a used Martin Audio CSX218?
Confirm the driver configuration: the CSX218 should house two 18-inch (460mm) drivers with 4-inch (100mm) voice coils. Check which finish (black or white) is included, and verify whether covers or flight cases are part of the listing. Every 10K Used listing includes a 21-day warranty covering major functional faults not described in the listing. Further guidance is available in the buying guide at https://www.10kused.com/used-av-equipment-guide/.
What determines the price of a second-hand Martin Audio CSX218?
Used CSX218 pricing varies based on condition, finish and what is included alongside the unit. Cabinets sold with covers, cases or as part of a broader line array package may be listed differently from bare single units. The age of the cabinet can also be a factor. Current asking prices for available units are shown in the live listings on this page.









