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Martin Audio CSX-LIVE 118 Subwoofers (CSX-LIVE118) with a maximum SPL capability of 135dB peak at 1 meter

2000-Watt, 18" unit, onboard DSP and Dante networking

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What's in the box:

  • CSX-LIVE 118
  • Transit Cover


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The CSX-LIVE 118 is a compact, high-performance subwoofer that extends the low frequency operating range of a CDD-LIVE full-range system to 40Hz - providing exceptional low frequency impact and increasing headroom. It features a long-excursion 18" (460mm)/4" (100 mm) voice coil driver with a water-resistant cone and triple roll surround in a compact reflex enclosure. The design of the 18" driver maximizes output while minimizing power compression and distortion, and the four reflex ports have a large frontal area to reduce turbulent air noise at very high levels. With a maximum SPL capability of 135dB peak at 1 meter, the CSX-LIVE 118 is the ideal subwoofer for theatre and portable live sound applications, as well as premium installations that require the maximum output from a compact enclosure.

A self-powered system, the CSX-LIVE 118 incorporates a Class D amplifier, DSP and Dante™ digital audio networking - simplifying set-up, enhancing control and eliminating amplifier racks. The onboard amplifier delivers 2000W peak output to the driver, and its switched-mode power supply auto-ranges to global mains voltages from 100 to 240V 50/60Hz.


  • Compact, self-powered subwoofer
  • 1 x 18" (460mm) driver with 4" (100mm) voice coil
  • Onboard Class D amplification and DSP
  • Dante™ Digital Audio networking
  • Global mains operation with Power Factor Correction
  • Tour-grade plywood enclosure with flying inserts
  • IP24 rating option with rain cowl

Specifications for the Martin Audio CSX-LIVE 118 Subwoofers

{ "Acoustics" : { "Type" : "Compact, direct radiating powered subwoofer", "Frequency Response" : "43 Hz - 150 kHz ±3 dB, -10 dB @ 38 Hz", "Driver" : "18" (460 mm)/4" (100 mm) voice coil, long excursion, ferrite magnet, waterproof cone", "Input Sensitivity" : "-30 dBu for 100 dB SPL", "Maximum SPL" : "132 dB continuous, 135 dB peak", "Dispersion" : "Omnidirectional or Cardioid (paired)", "Crossover" : "Active presets for CDD-LIVE 8, 12, and 15 mono-pole or cardioid (paired)" }, "Module Audio Input" : { "Connectors" : " Female XLR input, male XLR link output, Dante Audio Neutrik EtherCON", "Analog Input Impedance" : "20 kOhms balanced to ground", "Maximum Analog Input Level" : "24.6 Vpp (+21 dBu), over voltage protected", "Internal Processing" : [ "Multi-channel DSP, programmable via TCP/IP using VU-Net software", "PEQ/shelving filters", "Up to 48 dB/oct HPF", "Up to 200 ms input delay", "Pre-set selection via rear panel switch" ] }, "Network" : { "Connectors" : "2 x Neutrik EtherCON RJ45", "Protocol" : "TCP/IP and UDP/IP" }, "Amplifier" : { "Type" : "2-channel switch-mode, Class D, bridged tied", "Peak Output Power" : "2000 W total", "Average Efficiency" : "89%", "Cooling" : "External fan", "Maximum Ambient Temperature" : "104° F (40° C) for full output" }, "Power Supply" : { "Type" : "Switch mode, fixed frequency with PFC", "AC Input Operating Range" : "85 - 265 VAC, 50/60 Hz", "Power Factor" : ">0.98", "Nominal Power Consumption" : "125 W", "Mains Connector" : "Neutrik PowerCON True1" }, "Mechanical" : { "Enclosure" : "Extensively braced multi-laminate plywood", "Finish" : "Textured black PU coating", "Protective Grille" : "HEX perforated mild steel with protective zinc plating and black powder coat finish. Back with black grille cloth", "Fittings" : [ "Two skids on base, with mating channels on top", "Four rear-mounted 4" (100 mm) casters", "M20 top-mounted thread plate for pole mounting", "16 x M10 mounting points", "Two bar handles, one on each side", "Four fittings for optional transit cover" ], "Dimensions" : "23.62" W x 20.04" H x 24.86" D (600 x 509 x 632 mm)(excluding casters)", "Weight" : "110 lbs (50 kg) excluding transit cover" } }

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