Pure install subwoofer

High power, subwoofer cabinet with dual 18” low frequency transducers in bass reflex, direct radiation configuration. 145dB SPL (7200W Program)


The HR218 / 36 is a high performance passive subwoofer designed to work in conjunction with the full range of the HR series, offering a powerful high power boost between 34 and 200 Hz.

High power, sub-bass cabinet with dual 18” low frequency transducers in bass reflex, direct radiation configuration. 145dB SPL (7200W Program).

This enclosure offers an extraordinary power-volume-weight ratio, being a highly versatile sub-system in all types of installation projects.


Perfectly suited for:

→  Club & Bar installations
→  Live sound
→  Theatres
→  Houses of worship
→  Multi media spaces
→  Sound reinforcement

Technical Data

2 x 18″, 4″ tetracoil dual voice coil
Frequency Range 29 Hz – 200 Hz (-10dB)
Frequency Response
34 Hz – 200 Hz (± 3dB)
Sensitivity 103 dB (1W@1m) π
139 dB – 145 dB Peak
Coverage Omnidirectional
3600 W (7200 W program, 14400 W peak)
Crossover Active
Nominal Impedance
Connectors 2 x Neutrik Speakon NL4MP
Polyurea coating – other colours (RAL) available
Material 18 mm premium birch plywood
585 x 1080 x 781 mm (H x W x D)
Weight 82 Kg (180 lbs)

More features

Hardware for HR-218/36



The HR-218/36 cabinet is constructed from 13-ply premium birch plywood (18mm thickness) and finished with polyurea coating.

Internal design

The internal structure of the HR-218/36 is heavily braced for greater longevity and all parts are assembled on metal inserts with metric screws.

Rigging HR-18-6
Rear panel

A compact powder coated steel panel contains the connectors.

Grill HR-18-6

The HR-218/36 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

An ergonomic handle is located on each side of the HR-218/36 enclosure to facilitate transport, positioning and loading of the cabinets.

Marine Grade Option

This cabinet is also available for Marine environments, such as cruise ships for example.

Our Marine option speakers are designed to withstand harder weather conditions, where the cabinets are exposed to the elements.


  • Black polyurea coating with microtextured metal parts. 
  • RAL available on request. Polyurea coating with aliphatic colour paint.

1. Anodized aluminium logo for durability outdoors.

2. Stainless steel 1 mm 316 L grill. Also available in aluminum with protective layer and micro textured paint.

3. Weatherstrip edging for extreme protection.

4. Acoustex filter: hydrophobic polyester sheet to prevent the penetration of water and external elements produced by extreme weather conditions.

5. 35 ppi Acoustic foam to protect against dust particles.

6. Waterproof protected cone on both sides

7. Aluminum back plate with pressure gland for an extra tight connection and easy installation.

8. M10 stainless steel 316 L screws (A4).

Available products with Marine grade





1 x 6” transducer, 122 dB SPL

Marine grade available


1 x 8” transducer, 128 dB SPL

Marine grade available



2 x 6.5” transducers with 1 x 1″ driver , 122 dB SPL

Marine grade available



2 x 8” transducers with 1 x 1” driver, 126 dB SPL

Marine grade available



1 x 12” transducer with 1 x 1.4″ driver, 127 dB SPL

Marine grade available



1 x 12” transducer with 1.4″ driver, 129 dB SPL

Marine grade available



1 x 15” transducer with 1 x 1.4” driver, 129 dB SPL

Marine grade available



1 x 15” transducer with 1 x 1.4” driver, 129 dB SPL

Marine grade available



2 x 18” transducers, 142 dB SPL

Marine grade available



2 x 15” transducers, 139 dB SPL



1 x 18” transducer, 135 dB SPL

Marine grade available

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