AVGear's Next Pro AV Auction Opens in February 2026! Click Here to Learn More!

Score Big Savings in the AVGear Deal Zone

Quality pre-owned gear you need at GREAT PRICES!

Martin Audio

Martin Audio SX118 1x18" High-Performance Subwoofer System

$3,300.00 - $4,200.00

Take your system's frequency range down to 47Hz for low end they can feel and hear with the SX118 1 x 18" high-performance 1000W subwoofer system from Martin. A compact enclosure and its direct radiation operating principle allow the SX118 to deliver its powerful bass where space is a concern or the equipment must remain out of sight.

The design of the 18" driver coupled with four reflex ports make the SX118 extremely efficient while maximizing output and reducing distortion to deliver signature Martin quality audio.

Multi-laminate birch ply with a rugged poly coating form the cabinet for the single 18" speaker that's protected from the outside world by a Zintec (zinc-coated steel) grille to ensure reliability show after show. The tour-grade enclosure features twin grab handles, skids, flying inserts for installation, and a threaded pole socket for pole-mounting point source loudspeakers.

View Product Features

  • Compact, direct radiating subwoofer
  • 18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone
  • High output capability
  • Tour-grade plywood enclosure with flying inserts
In stock

Scroll below to see our current inventory for this item.

Already own this item and want to sell it?

About the Martin Audio SX118 1x18" High-Performance Subwoofer System

Key Features

  • Compact, direct radiating subwoofer
  • 18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone
  • High output capability
  • Tour-grade plywood enclosure with flying inserts

Martin Audio SX118 1x18" High-Performance Subwoofer System Specs

Key Features

  • Compact, direct radiating subwoofer
  • 18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone
  • High output capability
  • Tour-grade plywood enclosure with flying inserts
Make an offer
Make an offer
Make an offer