Yamaha CXS18 mk3 1300W 18-Inch Passive Subwoofer

The Yamaha CXS18 mk3 Passive Subwoofer is the largest model in Yamaha’s latest generation of CXS series subwoofers, engineered to deliver exceptionally deep, powerful, and highly controlled ultra-low frequency performance. Designed for professional sound reinforcement applications, it produces massive bass impact with clarity and precision, making it ideal for large-scale live events, DJ systems, and installed audio environments where maximum low-end performance is essential.

At its core, the CXS18 mk3 features a high-durability 18" cone driver with a 4" voice coil, engineered for outstanding power handling and accurate low-frequency reproduction. Its optimized bandpass cabinet design minimizes unwanted resonance and cabinet noise while maximizing efficiency and output. Built from durable plywood and acoustically optimized, the enclosure ensures consistent, high-quality performance even under demanding conditions.

Designed for seamless system integration, the CXS18 mk3 includes M20 and Ø35 mm pole mount compatibility for pairing with full-range loudspeakers. With extended low-frequency response down to 32 Hz and a peak output of 129 dB SPL, it delivers deep, powerful bass that integrates perfectly with Yamaha CXR mk3 series loudspeakers, forming a complete high-performance sound system.

Key Features

• Largest passive subwoofer in the CXS mk3 series
• 18" high-durability cone driver with 4" voice coil
• 1000W program power handling (2000W peak)
• Maximum SPL of 129 dB for powerful low-frequency output
• Extended frequency response down to 32 Hz for deep bass
• Optimized bandpass cabinet design reduces unwanted resonance
• Durable plywood enclosure for superior acoustic performance
• M20 and Ø35 mm pole mount compatibility for system integration
• SpeakON input and thru connection for secure system linking
• Designed for seamless pairing with CXR mk3 loudspeakers

Technical Specifications

Powered: No
LF Driver Size: 18"
Impedance: 4 ohms
Power Rating: 1000W Program
Total Power: 2000W Peak
Inputs: 1 x SpeakON
Outputs: 1 x SpeakON (thru)
Frequency Range: 32 Hz – 140 Hz
Maximum Peak SPL: 129 dB
Mounting Options: Floor
Enclosure Material: Plywood
Dimensions (H x W x D): 26.8" x 22.2" x 28.4"
Weight: 108 lbs
Manufacturer Part Number: CXS18MKIII