QSC - LS118
2 415 €
excl VAT
including eco-part : 0,90 €
In Stock
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Guarantee 3
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Line Array
An 18-inch subwoofer that combines raw power, network control, native cardioid and portability: the QSC LS118 is a game-changer on stage and off.
ARTICLE N° 106944
Presentation
The QSC LS118 has been designed to meet the practical needs of service providers and high-end fixed installations. It delivers up to 138 dB SPL thanks to an 18" long-excursion driver, driven by a 4000 W peak Class D amplifier. And despite this reserve of power, it all fits into a mobile format with integrated castors, ready for rapid deployment.
This subwoofer is equally at home as a solo or multipoint system. Two LS118s configured in cardioid mode drastically reduce the energy behind the stage while concentrating the bass towards the audience. This native option, with no external DSP, makes life easier for technicians on demanding live stages or in complex venues.
The LS118 integrates easily into modern audio networks thanks to its dual EtherCON port, compatible with Dante and QSC SysNav. It can be monitored, configured and controlled remotely, whether from a tablet on stage or from a control room. This saves time during sound checks and provides real security in the event of unforeseen events.
In addition to its advanced connectivity, QSC has equipped this model with a DEEP™ mode that significantly extends bass response for electronic music, urban stages or outdoor cinema screenings. This setting, which can be accessed directly via the integrated display, allows the sub's behaviour to be adapted to each event.
In terms of construction, nothing has been left to chance: 15 mm birch plywood chassis, shock-resistant Polyurea coating, silent professional castors and M20 bases for horizontal or vertical mounting. All of this is housed in a sleek, stylish black cabinet compatible with the LA108 and LA112 active line arrays.
The QSC LS118 isn't just for big tours: clubs, theatres, mobile service providers and technical churches will find it an intelligent, powerful and discreet subwoofer, designed above all for the realities of the field.
This subwoofer is equally at home as a solo or multipoint system. Two LS118s configured in cardioid mode drastically reduce the energy behind the stage while concentrating the bass towards the audience. This native option, with no external DSP, makes life easier for technicians on demanding live stages or in complex venues.
The LS118 integrates easily into modern audio networks thanks to its dual EtherCON port, compatible with Dante and QSC SysNav. It can be monitored, configured and controlled remotely, whether from a tablet on stage or from a control room. This saves time during sound checks and provides real security in the event of unforeseen events.
In addition to its advanced connectivity, QSC has equipped this model with a DEEP™ mode that significantly extends bass response for electronic music, urban stages or outdoor cinema screenings. This setting, which can be accessed directly via the integrated display, allows the sub's behaviour to be adapted to each event.
In terms of construction, nothing has been left to chance: 15 mm birch plywood chassis, shock-resistant Polyurea coating, silent professional castors and M20 bases for horizontal or vertical mounting. All of this is housed in a sleek, stylish black cabinet compatible with the LA108 and LA112 active line arrays.
The QSC LS118 isn't just for big tours: clubs, theatres, mobile service providers and technical churches will find it an intelligent, powerful and discreet subwoofer, designed above all for the realities of the field.
Other features
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QSC LS118
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Active subwoofer with direct radiation
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LF transducer: 18" (460 mm), long-excursion cone
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Peak power: 4000 W
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Frequency response (-6 dB): 41 Hz - 98 Hz
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Frequency range (-10 dB): 35 Hz - 111 Hz
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Beaming mode: Omnidirectional or cardioid (min. 2 units required for cardioid mode)
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Maximum nominal SPL (peak): 138 dB at 1 m
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Amplifier (peak) : Class D, 4000 W
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Cooling: Low-noise variable-speed fan
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Controls: Rotary encoder, 2x push buttons (Menu, ID)
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Display: 61 mm (2.4") colour display area, 240 x 320 pixels
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Indicators: Power LED, Limiter LED, Standby LED, 2x Signal LEDs
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Connectors: XLR female (Analog In), XLR male (Analog Thru), 2x RJ45 EtherCON (Dante and QSC SysNav In/Thru), 2x PowerCON TRUE1 (Power In/Out)
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AC power input: Universal power supply 100 - 240 VAC, 50 - 60 Hz
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Power consumption: 100 VAC, 3.6 A / 120 VAC, 3.0 A / 230 VAC, 1.7 A
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Housing material: 15 mm birch plywood with Polyurea coating
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Attachment points: 8x M10 (vertical or horizontal suspension), 2x M20 (vertical or horizontal support on mast or ground stack)
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Colour: Black
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Grille: 16 GA steel with epoxy paint finish
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Supplied with 4x 4" low-noise castors, 1x PowerCON TRUE1 power cable
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Dimensions: 640 x 520 x 790 mm
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Weight: 50 kg
To find out more...
18-inch (460 mm) long-excursion woofer, specially designed to deliver an extended low-frequency response with a maximum of 138 dB SPL peak, without distortion.
High-efficiency 4000 W peak Class D amplifier module with power factor correction to limit power consumption, even in the most energy-hungry configurations.
Acoustic Linear Phase (ALP) architecture guarantees perfect coherence between all QSC loudspeakers used in the same system, ensuring a homogenous response across the entire sound field.
QSC SysNav™ (System Navigator) application to design, configure, control and monitor each subwoofer or group of subwoofers, with management of audio processing and network routing, locally or remotely.
Full connectivity including analogue audio, Dante® for audio over IP transport, and control via EtherCON network, with full compatibility to the Q-SYS ecosystem via QSC inventory extensions.
Possibility of omnidirectional or cardioid deployment (with a minimum of two LS118s), to optimise front projection and reduce rear resonance on stage or at the front.
Robust 15mm birch plywood enclosure with ultra-resistant Polyurea finish, equipped with low-noise 4" castors for easy, silent transport.
Vertical or horizontal deployment with M20 threaded base, compatible with standard masts, array structures and ground stack adaptors for total flexibility on tour or in a fixed installation.
High-efficiency 4000 W peak Class D amplifier module with power factor correction to limit power consumption, even in the most energy-hungry configurations.
Acoustic Linear Phase (ALP) architecture guarantees perfect coherence between all QSC loudspeakers used in the same system, ensuring a homogenous response across the entire sound field.
QSC SysNav™ (System Navigator) application to design, configure, control and monitor each subwoofer or group of subwoofers, with management of audio processing and network routing, locally or remotely.
Full connectivity including analogue audio, Dante® for audio over IP transport, and control via EtherCON network, with full compatibility to the Q-SYS ecosystem via QSC inventory extensions.
Possibility of omnidirectional or cardioid deployment (with a minimum of two LS118s), to optimise front projection and reduce rear resonance on stage or at the front.
Robust 15mm birch plywood enclosure with ultra-resistant Polyurea finish, equipped with low-noise 4" castors for easy, silent transport.
Vertical or horizontal deployment with M20 threaded base, compatible with standard masts, array structures and ground stack adaptors for total flexibility on tour or in a fixed installation.
Additional documents
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User reviews
User reviews Line Array
LS118 QSC
/5
1 User reviews
DAVID R
21/12/2025
5
/5
Buy Verified
Un sub exceptionnel ! Parfait avec les La112 Ne pese que 50 kg, très "compact" pour cette catégorie de Sub Un Rcf 8008 pese 80kg pour 137db. Ce sub QSC fait 50kg pour 138db Très puissant, un son haut de gamme professionnnel taillé pour les systeme Line array Longue porté en line Array Montage cardioïde possible avec 2 ou plus. Fonctionne très bien en montage aérien ou normale
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