JBL SRX818S Passive, Unpowered Subwoofer Speaker

Move some serious air with this passive subwoofer. With its 18" woofer and impressive 2400-watt peak power handling, the JBL SRX818S sub shores up your lows. Unpowered. Requires separate power amplifier.

JBL has made a name for itself by producing great-sounding, long-lasting portable PA systems. With the introduction of the SRX800 line of passive portable PA loudspeakers, JBL has set the standard for what a fully professional PA system should be.

Integrating industry-leading levels of sound quality, power, control, and durability, SRX800 is a perfect all-in-one solution wherever high performance, and pristine sound are required. Each component in the SRX800 Series was purposefully designed and thought through to deliver a perfectly tuned system that is powerful, easy to use, and rugged enough for the most demanding applications.

Note: Unpowered speaker, requires separate power amplifier.
WARNING: Cancer and Reproductive Harm - www.p65Warnings.ca.gov.

- System Type: Passive 18", subwoofer system
- Maximum SPL Output: 135 dB
- Frequency Range (-10dB): 28-150 Hz
- Frequency Response(- 3dB): 45-150 Hz
- System Power Rating: 2400W Peak, 1200W Program, 600W Continuous
- Nominal Impedance: 8 Ohm
- Input Connectors: NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable)
- Operational Modes: Passive
- Low Frequency Driver: 2279F
- Crossover Frequency: 80 Hz
- Pole Socket Size: M20 threaded
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 101 lbs
Shipping Dimensions: 32 x 32 x 27 in
Manufacturer Part Number (MPN): SRX818S

Note: Unpowered speaker, requires separate power amplifier.

For support or warranty questions, please contact the manufacturer:
Phone: 800-336-4525
Web: https://jblpro.com/en/support for pro audio, https://support.jbl.com for consumer/home audio


  • 18 x
  • 12 x
    $127.08 with zZounds
  • 8 x
    $190.63 with zZounds
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