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QSC CS18 2600 Watt 18" Active Powered Subwoofer For CP And K-Series Loudspeakers

Powerful, portable active subwoofers with deep, impactful bass, Bluetooth control, 2600W peak power and 18" transducer

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    Active Subwoofers are powerful, portable solutions designed to deliver premium bass performance and unmatched value. Expanding and elevating the C Class loudspeaker lineup with simple plug-and-play deployment, CS Series subwoofers deliver clean, impactful low-frequency performance for DJs and mobile entertainers, event production professionals, musicians and bands, houses of worship, and small-format installations.

     

    Designed for robust reliability and portability, both models feature lightweight enclosures for effortless transport and setup. CS Series combines exceptional sonic consistency with user-friendly operation, including simple and intuitive onboard controls as well as expanded functionality via the QSC Loudspeaker Control app over Bluetooth.

     

    With performance designed for real-world needs and pricing aligned for maximum return on investment, CS15 and CS18 models enable users to build scalable, fully integrated systems without overspending or compromising on audio quality. Powerful, versatile, and easy to use, CS Series subwoofers are the perfect solution for today’s discriminating subwoofer users.

     

    QSC CS18 2600 Watt 18" Active Powered Subwoofer For CP And K-Series Loudspeakers Features:

    • Scalable lineup with compact 15-inch and higher-output 18-inch models to support a wide range of system sizes and applications
    • Bluetooth Audio featuring True Wireless Stereo (TWS), which ensures low-latency pairing between music source and both left and right loudspeakers, simultaneously.
    • Wireless control of loudspeaker features with the QSC Loudspeaker Control app
    • Class D Amplification module featuring 2600 W of peak power with Universal Power Supply and low AC consumption
    • Simple and intuitive Rear User Interface for quick setup and on-the-go adjustments
    • DEEP preset for added low frequency extension and impact
    • Quick Cardioid deployment preset (requires min. 2 subwoofers)
    • Rugged painted wood enclosure for lasting durability
    • Two XLR inputs with direct pass-thru and assignable output options
    • M20 threaded speaker pole mount
    • 6 Year Warranty (when registered within 30 days from purchase)
    Shop Similar Models

    QSC CS18 2600 Watt 18" Active Powered Subwoofer For CP And K-Series Loudspeakers Specifications

    QSC CS18 2600 Watt 18" Active Powered Subwoofer For CP And K-Series Loudspeakers Specifications
    Product Specifications
    • Configuration: Direct Radiating
    • LF Transducer: 18" / 460 mm, Cone
    • Frequency Response (-6 dB): 46 Hz-96 Hz / DEEP: 39 Hz-96 Hz
    • Frequency Range (-10 dB): 40 Hz-103 Hz / DEEP: 35 Hz-103 Hz
    • Nominal Coverage Angle: Omni-Directional or Cardioid Radiation Modes (Cardioid Setup Requires min. 2 Units)
    • Maximum Rated SPL: 134 dB
    • Amplifier: Class D, 2600 W (peak)
    • Cooling: Convection Cooled
    • Controls: Power On/Off, Gain Control, 2x Selection Buttons
    • Indicators: Power LED, Limiter Active LED, Input System LED, 2x Signal LED
    • Connectors: 2x Locking XLR/F 1/4" Combo, 2x XLR/M (1x Loop-Thru Output, 1x Post-DSP Output), 1x IEC Power Connector
    • AC Power Input: Universal Power Supply, 100-240 VAC, 50-60 Hz
    • AC Power Consumption: 100 VAC 2.7A-120 VAC 2.2 A-240 VAC 1.1A, 50/60 Hz
    • Enclosure: 12-15 mm Birch Plywood 
    • Color: Black (RAL 9011)
    • Grille: 16-Gauge Black Powder Coated Steel
    • Dimensions (H x W x D): 640 x 513 x 658 mm / 25.2" x 20.2" x 25.9"
    • Net Weight: 37.6 kg / 82.9 lbs
    • Shipping Weight: 44.6 kg / 98.3 lbs
    • Optional Accessories: CASTER KIT-S, CS18-CVR, SP-16X, SP-26, SP-36
    • Regulatory: CE, CB, cTUVus, FCC, NOM, PSE, KCC, BSMI, RCM, RoHS 3.0, CA65, WEEE, etc.
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