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JS-12 Subwoofer


Flat rate shipping of $65 each within the lower 48 states.

International customers please e-mail us with your shipping address and the number of units you are ordering so we can get back to you with an accurate quote.  Please note shipping a single unit internationally is often almost the same cost as shipping a pair.

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New, compact 12″ sealed subwoofer.

  • 15″ wide, 18″ tall, 14″ deep including magnetic grill.
  • 700W ICEpower amplifier with advanced DSP performance optimization.
  • +/-3dB 20-200Hz with gradual sealed roll off like our larger subwoofers
  • Typical in room extension of 8-14Hz
  • Full extension of our larger products in a smaller package, multiple units give up nothing to our larger subwoofers

Driver Details:

  • 12″ high excursion woofer
  • 3″ aluminum voice coil with aluminum former
  • 12 spoke aluminum die-cast basket allowing for high excursion
  • Double-stacked 200 ounce magnet assembly
  • 50 mm vented pole piece
  • Multi-layer Kevlar impregnated honeycomb cone for extreme rigidity
  • Hand-stitched Santoprene rubber surround
  • Dual mirrored spiders with opposing silver plated cadmium copper tinsel leads

Amplifier & Controls:

  • 700W continuous power amplifier
    • High efficiency B&O ICEpower technology
    • US designed, high current, high duty cycle, class D amplifier design
    • High efficency of up to 95% for maximum power from available home circuitry
    • Assembled in the USA
    • Universal 100-240V operation
    • IEC Power Cord (10′ length included) – right angle plug available
  • Connection options
    • 12V trigger and auto sensing – 3.5mm mini-cable connection
    • LED indicator for power, standby or error codes.
    • XLR Female input (LFE/mono) with looping, XLR Male output (internal Y connection)
    • 2 summed RCA inputs for LFE or Stereo inputs
  • Digitally programmable, detented, control knobs for precision adjustment and tuning
    • GAIN (volume) control – wide range for matching any system
    • LF Adjust (low shelf/adjust extension/room sizing) enabling adjustment of low frequency extension from 14Hz to 28Hz or +/- 8dB shelf (see graphs).
    • Low pass crossover 30-120Hz + 200Hz, precise, digital, Linkwitz-Riley 4th Order fitlers (24dB/oct)
    • Delay adjustment – 0-20ms for multiple subwoofer blending
  • Proprietary DSP performance optimization
    • Smooth anechoic/outdoor frequency response
    • Carefully optimized, proprietary overload protection – never fear for the well being of your subwoofer while the JS12 maintains composure to much more intense playback levels than its small size would suggest possible
    • Smooth power response to 200Hz for seamless crossover and articulation with compact speakers
    • Shallow sealed roll off maintained in all LF Adjust settings
    • Shallow low frequency roll off typically yields 8-14Hz in-room extension
    • LF Adjust shelving & room size adjustment allow for a best fit with large to small rooms or adjusting to personal preference after room correction.



Additional information

Weight 80 lbs
Dimensions 18 × 18 × 24 in
Cabinet Veneer

Black Maple, Black Oak, Natural Cherry, Espresso Cherry, Vintage Cherry, Golden Cherry, Natural Maple, Rosenut


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