HK Audio Linear 5 MKII 118 Sub A 18-inch Active Subwoofer

Weight per speaker	33 kg
Speaker connections	XLR / TRS combi input, out / link / thru
maximum subwoofer frequency	125 Hz
locking speaker connectors	no

HK Audio Linear 5 MKII 118 Sub A 18-inch Active Subwoofer
Product no: 9000-0112-6880 Bax Music Warranty: This product comes with a 5-year warranty when you register it with hkaudio.com within 30 days of purchase. If the product is not registered it has a 3-year warranty.

General

Built for extreme, low-reaching and powerful bass reproduction, the HK Audio Linear 5 MKII 118 Sub A active 18 inch subwoofer is the ideal match for the full range speakers from the same range. Due to the extra-forceful 18 inch format, this sub will definitely serve to complete a big fixed sound installation, and since the housing has been built from heavy-duty plywood and MDF, you're assured of outstanding acoustic performance and a little less weight than the MKI. The Linear 5 MKII also features an M20 stand flange for mounting a distance rod and satellite speaker and comes fitted with a pair of recessed MultiGrip handles to ease loading and positioning.

DSP Control Software

All of the digital settings of the Linear 5 MKII sub can be remotely controlled via the compatible DSP Control software, which can be used to toggle your entire PA system or just manage the stage monitors. Set the gain, tweak the ten-band parametric equalizer, set the high-pass and low-pass filters, the delay, the limiters and even flip the polarity switch - all from a comfortable distance. Integrate the speaker into your network via the EtherCon port fitted on the rear, and to send the processed signal to speakers that aren't connected to the network, simply use the fitted DSP Out XLR port.

Specifications

Product features

Sustainable product	not specified
Mid driver/woofer diameter	18 inches
RMS power in watts	750 - 1,499 W
Minimum frequency	35 - 39 Hz
Maximum SPL	130 dB - 139 dB
Weight per speaker	42 kg
Speaker connections	XLR / TRS combi input, out / link / thru
Maximum subwoofer frequency	125 Hz
Locking speaker connectors	no

Weight and dimensions including packaging

Weight (incl. packaging)	30,0 kg
Dimensions (incl. packaging)	75,0 x 64,0 x 61,0 cm

Product specifications

max. SPL: 129 - 131 dB
frequency response (+/-3 dB): 42 Hz - X-over
frequency response (-10 dB): 38 Hz - X-over
amplifier: Class D
- RMS: 1000W
- peak: 2000W
drivers: 18", 4" voice coil
connections:
- input: 2x XLR balanced
- thru: 2x XLR, balanced
- DSP Out: 1x XLR, balanced
- network: Ethercon RJ45 1x in, 1x thru
presets: Front, Cardioid 1±1 vertical, Cardioid 1±1 horizontal, Remote
DSP functions: fully parametric 10-band EQ with variable filter characteristics, High-Pass Filter, Low-Pass Filter, Polarity, Level, Delay, Limiter, Mute
sample rate: 48kHz
latency: < 2 ms
housing:
- stand flange: 1x M20
- handles: 2x MultiGrip
- housing: birch plywood, MDF
- finish: black acrylic
- front grille: 2mm metal with black acoustic foam
dimensions: 68.5 x 56 x 55cm
weight: 41.6 kg

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Reviews from other countries

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Thomas B. June 2, 2026

Wrote the following about HK Audio Linear 5 MKII 118 Sub A 18-inch Active Subwoofer

Peut être un des 18 pouces les plus compact du marché mais alors quel coffre ! Marche plus fort que mon ancienne paire de 1800A. Vous serez surpris, qualité HK au rendez vous !

Florian M. February 27, 2025

Wrote the following about HK Audio Linear 5 MKII 118 Sub A 18-inch Active Subwoofer

Des bombes!!! Utilisateur d'un pack power première génération depuis 8ans (lsub2000 a + 112xa) je suis passé sur la nouvelle génération.
Les 118 sub mk2 sont très nettement supérieurs aux sub 2000a. Les basses sont plus profondes et la puissance est bien 40% supérieure.
Le seul inconvénient comparé à l'ancienne génération c'est le poids et le nouveau format des housses qui ne permettent plus de fixer des roulettes à l'arrière pour pouvoir les basculer et les déplacer facilement seul.
Il reste la solution du plateau à roulettes sur mesure.
Pour résumer, si vous cherchez un caisson de basse qui envoie la foutre, n'hésitez pas. Couplés à des 112fa ou 115fa vous obtenez un excellent système de sonorisation.