Ionic 18S

Omnidirectional subwoofer

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


The Ionic-18S is a powered subwoofer enclosure part of the ionic series. The ionic cabinets are compact, modular and powerful and the complete series includes two sub units and two column models.

The Ionic-18S uses 1 x 18” (3” voice coil) neodymium transducers offering an ultra compact subwoofer enclosure with 132dB SPL. The power module (Class D with switching power supply) includes a Digital Signal Processor which offers different presets to cover a wide range of sound applications complementing the column speakers.

Ionic-18S provides quick and easy set ups for both fixed installations and portable applications.


Perfectly suited for:

→  PA system
→  Clubs & Theatres
→  Houses of Worship
→  Solo artists, band, DJ
→  Public buildings
→  Commercial complex


Technical Data


1 x 18″ speaker with 3″ voice coil
Frequency Range38 Hz – 250 Hz (-10dB)
Frequency Response
42 Hz – 250 Hz (± 3dB)
Max SPL132 dB
Coverage Angle
Power2400W Class D with switching power supply & PFC
LF Amplifier
1 x 1400 W
Speaker Output Amplifier2 x 600 W @ 4 Ω
48 KHz / 56 bit double precision DSP 
ControlUser control interface with LCD
Control Connections
Ethernet (OCS) optional / USB (DSP programming)
AC Power85 – 270V. 50/60 Hz with PFC
AC Connections
16A Neutrik powerCon TRUE1 with looping output
FinishPolyurea coating
15 mm premium birch plywood
Dimensions513 x 505 x 704 mm (H x W x D)
37 kg (81.5 lbs)

More features

Hardware for Ionic-18S

The IONIC-18S cabinet is constructed from 13-ply premium birch plywood (15mm thickness) and finished with polyurea coating

Internal design

The internal structure of the IONIC-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.

Rear panel

The powder coated steel rear panel contains all connections and houses the IONIC-18S amplification modules and DSP, is easily accessible and housed separately from the drivers avoiding excessive heat & vibration, thus delivering greater efficiency and reliability.


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

Handle HR-18-6

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

Accessories for Ionic-18S
Sub adaptor for satellite
Wheel kit
Nylon Protection Cover for ionic-18S
M20 connector plate for M20 pole support TU-C02
M20 pole support for combination between sub and satellite cabinets

Other products from this series


12 x 3” transducers, 121 dB SPL

Outdoor version available




6 x 3” transducers, 119 dB SPL

Outdoor version available

1 x 5” transducer, 120 dB SPL

Outdoor version available


1 x 12” transducer, 127 dB SPL