Powered compact subwoofer for CXA-12

High output, self powered (class D switch mode power supply with PFC), omni-directional subwoofer cabinet.


High output, self powered (class D switch mode power supply with PFC), omni-directional subwoofer cabinet.

Consists of a 18″ (4″ ventilated voice coil) neodymium transducer. DSP controlled with 1400W amplification, 132dB SPL.

The CXA-18S is a self-powered subwoofer enclosure specially designed to reinforce the low frequencies of the CXA-12 linear array elements.


Perfectly suited for:

→  Live PA
→  Clubs
→  Theatres
→  Houses of worship
→  Fixed installations
→  Touring

Technical Data


LF: 18″, 4″ voice coil, Neodymiun magnet assembly
Frequency Range30 Hz – 140 Hz (-10dB)
Frequency Response
35 Hz – 125 Hz (± 3dB)
Max SPL132 dB
Coverage Angle
Power1400W Class D with switching power supply & PFC
LF Amplifier
1 x 1400 W
Processing48 KHz / 56 bit double precision DSP 
User control interface with LCD
Control ConnectionsEthernet (OCS) optional / USB (DSP programming)
AC Power
90 – 264V. 50/60 Hz with PFC
AC Connections16A Neutrik powerCon TRUE1 with looping output
Polyurea coating, black colour
Material18 mm premium birch plywood
556 x 632 x 696 mm (H x W x D)
Weight45 kg (99 lbs)

More features

Hardware for CXA-18S

The CXA-18S cabinet is constructed from 13-ply premium birch plywood (18mm thickness) and finished with polyurea coating.

Internal design

The internal structure of the CXA-18S is heavily braced for greater longevity and all parts are assembled on metal inserts with metric screws. The amplification modules & DSP are housed in a separate chamber to the drivers avoiding excessive heat & vibration, thus delivering greater efficiency and reliability.

Rear panel CXA-18S Lynx
Rear panel

The powder coated steel rear panel contains all connections and houses the CXA-18S amplification modules and DSP, is easily accessible and housed separately from the drivers for increased reliability and efficiency.

Grill CXA-18S Lynx

The CXA-18S has a heavy duty, powder coated front grille with a special acoustic rear fabric to protect the transducers against dust and dirt.


One ergonomic, die cast handle with firm internal grips is located on each side of the CXA-18S enclosure to facilitate transport, positioning and loading of the cabinets.

Rigging CXA-18S Lynx

Integrated flying plates are located on each side of the enclosure, to link the CXA-18S cabinets together or with the CXA-12 cabinets.

Accessories for CXA-18S
Ball pin with thread for CXA-12 and CXA-18S cabinets
Flying frame for the CXA-18S with a capacity for rigging of up to 4 cabinets
Four wheel kit
Rain cover for the back panel of the CXA-18S
Nylon protection for CXA-18S
Multiple applications for CXA-18S

Other products from this series

CXA-12 series

1 x 12” transducer with multidriver wave guide, 128 dB SPL