• QSC LS118 18-in Direct Radiating Powered Subwoofer front
  • QSC LS118 18-in Direct Radiating Powered Subwoofer back
  • QSC LS118 18-in Direct Radiating Powered Subwoofer Angle
  • QSC LS118 18-in Direct Radiating Powered Subwoofer side
  • QSC LS118 18-in Direct Radiating Powered Subwoofer side reference
  • QSC LS118 18-in Direct Radiating Powered Subwoofer array
  • QSC LS118 18-in Direct Radiating Powered Subwoofer array
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QSC LS118 18-inch Direct Radiating Powered Subwoofer

QSC LS118 18-inch Direct Radiating Powered Subwoofer

SoundPro Item: 138217 | Part Number: LS118

$3,399.99
$3,966.69 $3,399.99
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MSRP: $3,966.69 | MAP: $3,399.99

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  • Very high output (136 dB peak SPL) with impressive low frequency performance
  • Purpose-designed, 18-inch (460 mm) long excursion direct radiating driver
  • Energy-efficient, 4000 W peak power Class D amplifier module with Power Factor Correction and extremely low AC consumption
  • Acoustic Linear Phase (ALP) design provides complementary coherence between QSC loudspeakers deployed in the same audio system delivering a uniform listening experience across the entire venue
  • QSC SysNav™ (System Navigator) App allows the user to easily design, configure, control, monitor and apply signal processing to individual subwoofers, full arrays or groupings of both
  • Network solution includes digital audio-over-IP (Dante®) for interoperability with other audio equipment and seamless control and monitoring integration into the Q-SYS Ecosystem via Q-SYS Inventory Extensions
  • Omni-directional or cardioid radiation modes (cardioid setup requires min. 2 units)
  • Selectable DEEP™ mode for extremely low frequency extension
  • Rugged wooden enclosure with Polyurea coating for lasting durability
  • Four low-noise, heavy-duty casters
  • Vertical or horizontal deployments (M20 threaded pole receivers) combined with array frame/ground-stack adapters or loudspeaker poles
  • Complemented by LA108 and LA112 active line array loudspeakers
  • Industry-best global 6-Year Extended Warranty with product registration
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Made to meet the needs of solo performers to professional audio installers, the LS118 from QSC is an 18-inch direct radiating powered subwoofer compatible with the rest of QSC’s L-Class line of products.

This sub boasts very high output(138 dB peak SPL) combined with an impressive low-frequency performance and also features an 18-inch (460 mm) long excursion direct radiating driver and selectable DEEP™ mode for further LF extension.

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  • LF Transducer460 mm (18-inch), cone
  • Frequency Response (-6 dB)41 Hz - 98 Hz
  • Frequency Range (-10 dB)35 Hz - 111 Hz
  • Nominal Coverage AngleOmni-directional or cardioid radiation modes (cardioid setup requires min. 2 units)
  • Maximum Rated SPL1 (peak)136 dB @ 1 m
  • Amplifier (peak) Class D, 3600 W
  • CoolingLow noise, variable speed fan
  • Controls
    • Rotary push encoder
    • 2 x Push button (Menu, ID)
  • Display Screen61 mm (2.4-inch) Full color display area (240 x 320 pixels)
  • Indicators
    • Power LED
    • Limiter active LED
    • Standby active LED
    • 2 x Signal LED
  • Connectors
    • XLR Female (Analog In)
    • XLR Male (Analog Thru)
    • 2 x RJ45 EtherCON (Dante® and QSC SysNav™ In/Thru)
    • 2 x PowerCON TRUE1 (AC Power Inlet/Outlet)
  • AC Power InputUniversal power supply, 100-240 VAC, 50-60 Hz
  • AC Power Consumption[2] 100 VAC, 3.6 A / 120 VAC, 3.0 A / 230 VAC, 1.7 A
  • Enclosure Material15 mm birch plywood with Polyurea coating
  • Attachment Points
    • 8 x M10 (for individual vertical or horizontal suspension/flying)
    • 2 x M20 (for vertical or horizontal loudspeaker pole or ground-stack deployments)
  • ColorBlack (RAL 9011)
  • Grille16 GA Powder coated steel
  • Dimensions (HxWxD)25.2×20.5×31.1" (640×520×790mm)
  • Net Weight50 kg (110 lbs) including casters
  • Shipping Weight62.6 kg (138 lbs)
  • RegulatoryUL, CE, FCC Class B a
  • Notes
    • (1) Measured at 1 meter, on-axis, in half-space using Pink Noise, Crest Factor 10 dB unweighted.
    • (2) 1/8 power is representative of current draw with typical music program material with occasional clipping.
    • Dante is a registered trademark of Audinate Pty Ltd. EtherCON and PowerCON are registered trademarks of Neutrik.
    • Windows is a registered trademark of Microsoft. MacOS and iOS are registered trademarks of Apple.
    • Specifications subject to change without prior notice.

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