Yamaha CXS18 MK3: Powerful Passive Subwoofer for Live Sound

The Yamaha CXS18 MK3 passive subwoofer is built to deliver high-impact, reliable bass reinforcement in live music, DJ, and installed sound applications. Designed around Yamaha’s advanced band-pass acoustic technology, the CXS18 MK3 produces well-defined low frequencies, making it an ideal choice for audio professionals who demand consistent sub-bass performance. The Yamaha CXS18 MK3 stands out for its powerful output, robust construction, and system flexibility.

Standout Features: Rugged Design and Optimized Low-End

The Yamaha CXS18 MK3 features a durable polyurea-coated plywood enclosure and a long-excursion 18-inch driver. Its finely tuned band-pass and port design, carried over from Yamaha’s acclaimed DXS series, enables smooth, focused coverage even in challenging acoustic spaces.

Performance Specs for Pro Audio

The technical prowess of the Yamaha CXS18 MK3 means your live sound rig gets serious power and projection. The passive subwoofer delivers extended low frequency down to 32 Hz (with DSP) and a maximum SPL of 129 dB.

• LF Driver: 457 mm (18") cone, 101.6 mm (4") voice coil — for deep, defined bass
• Frequency Range (-10dB): 35–150 Hz (32–120 Hz with Extend/DSP)
• Maximum Peak SPL: 129 dB — suits large venues and demanding events
• Power Handling: 1000 W program, 2000 W peak, 500 W noise
• Nominal Impedance: 4 Ω

Smart Build and Operation

The Yamaha CXS18 MK3 offers practical details that make setup and integration easy. Its two SpeakON NL4MP connectors and dual handles streamline transport and system wiring. The enclosure supports both 35 mm pole mounting and M20 threaded compatibility.

• Enclosure Material: Plywood with polyurea finish — lightweight yet roadworthy
• Connectors: 2 x SpeakON NL4MP (in/out)
• Mounting: Φ35 mm socket, M20 threaded

Venue-Ready Size and Weight

The Yamaha CXS18 MK3 is sized for maximum output without sacrificing portability. The cabinet’s robust dimensions give it acoustic authority, while its weight reflects professional-grade construction.

• Dimensions (W x H x D): 563 x 683 x 721 mm
• Weight: 49 kg

Who Is It For: System Integrators and Live Sound Professionals

The Yamaha CXS18 MK3 is the right choice for sound engineers, venue owners, and AV technicians who need impactful, reliable low-end for large spaces. The subwoofer fits a range of pro audio setups, whether mobile or installed, and excels in applications requiring clarity and power across the lowest musical octaves. If your audio rig needs a high-output subwoofer that can keep up with dynamic acts and modern productions, the CXS18 MK3 is engineered to deliver that performance in any context.