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  • Subwoofers
  • Bass Management Processors
  • Time-Align™ Studio Monitors
  • INFRA Powered Subwoofers
  • Infrasub-12 - 400W Powered Subwoofer; 12"
  • Infrasub-18 - 400W Powered Subwoofer; 18"

  • Infra MXB - INFRA processor
  • Stereo Hi-Pass/Mono Sum
    8/18 Hz INFRA dual integrator
    INFRA Dynamic Filter
    Balanced inputs and balanced outputs
    Convenient front panel controls
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  • Infrasub12.pdfPDF Document Icon
  • Infrasub18.pdfPDF Document Icon
  • infra18frt2

    The Bag End INFRASUB-18 is a self powered subwoofer system employing a direct radiating 18" cone loudspeaker in a sealed enclosure and a 400 Watt power amplifier mounted to an aluminum plate on the back of the enclosure. The amplifier also includes a built in ELF™ dual integrator providing a flat acoustical response down to 8 Hertz, well below the audible range of human hearing.

    Available in Studio Black, and High Gloss Black or White.
    Enclosure:3/4" MDF
    Low Frequency Transducer:EL-18P 18" Cone
    Amplifier Output Power:400 Watts continuous sine wave
    ELF Module:Patented 8 Hz dual integrator
    System Type:3.0 cu. ft. Sealed box
    Driver Nominal Impedance:4 Ohms
    Input Connectors:L, C, R channel line level RCA jacks;L & R speaker level terminals
    Hi-Pass Outputs: Left, Center and Right channel line level RCA jacks
    Hi-Pass Filters:12dB per octave, -6dB at 95 Hz
    Frequency Response:±3 dB 8 Hz to 95 Hz (2pi Steradians)
    Overload Protection:Preset threshold Concealment™ circuitry
    Fuse:6.3 Amp GDC for 120 Volts; 3.15 Amp GDC for 220 Volts
    Finish:Black matte vinyl laminate
    Dimensions:23.5"h x 21.5"w x 18.5"d 59.7cm x 54cm x 46.3cm
    Weight:91 lbs. (41.05 kg)