SubMersive HP+ Features:


Amplifier & Controls:

  • 4000W continuous power amplifier (with slave connected)

    • 2400W continuous power as a single unit

    • Capable of driving our passive SubMersive HP-Slave to the same levels as a single HP+

    • 4 Conductor Neutrik SpeakON connection for powering optional slave unit

    • US designed, high current, high duty cycle, class D amplifier design

    • High efficency of up to 95% for maximum power from available home circuitry

    • Fully Manufactured in the USA (board level up)

    • Nominal 120V operation (HP i+/F2i+ version available for 208-240V 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 12Hz to 27Hz 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 SubMersive maintains composure to much more intense playback levels

    • Smooth power response to 200Hz for seamless crossover with compact speakers

    • Shallow sealed roll off maintained in all LF Adjust settings

    • Shallow low frequency roll off typically yields 8-12Hz in-room extension

    • LF Adjust shelving & room size adjustment allow for a best fit with large to small rooms


Drivers & Design:

  • Dual opposed 15" sealed subwoofer

  • Same acoustic performance as SubMersive F2+

  • Custom designed 15” woofer with 3” VC

  • Cast 12 spoke basket with large under spider venting

  • Kevlar-reinforced paper cone

  • Extended pole for lower distortion

  • Vented magnetic gap for low operational noise and thermal cooling

  • Made in USA


  • Common enclosure to ensure matching in driver output

  • Locally produced with custom-tooled lock mitered construction

    • Pre-veneered shell cut by high precision CNC router

    • Pre-veneered sheet is machined pressed for superior veneer adhesion

    • Lock mitered joints insure sharp edges and matched wood grain wrapping around the visible front, top, and rear.

    • 1.5” thick driver mounting baffles

    • Full windowed bracing with dual-opposed cabinet to eliminate enclosure vibration

    • Opposed force configuration of drivers insures zero walking or rocking of enclosure

    • Selection of available wood species and stain options

  • Magnetically secured grills with no pegs to break or see when the grills are off

  • Dimensions: 24.25" W x 17.5" D x 25.5" H (Link to PDF) (including feet & grills)

  • Weight: 120 lbs

  • Shipping Dimensions: 28" W x 22" D x 30" H, 130 lbs


Acoustic Details:

  • Internal 4000W/2400W amplification (with slave/indiviually)

  • Anechoic response:

    • +/-3dB from 19Hz to 200Hz outdoor response (LF Adjust @ 12 o'clock)

    • +/-3dB from 12Hz to 200Hz outdoor response (LF Adjust @ full clockwise)

    • +/-3dB from 27Hz to 200Hz outdoor response (LF Adjust @ full counter-clockwise)

  • 24dB/Octave CROSSOVER selectable from 30-120Hz and Bypass

  • 0-20ms DELAY adjustment for blending front/rear subwoofer sets

  • Typical in-room extension to 7-12Hz

SubMersive HP Pricing:

  • $2,395 Black Oak/Black Maple

  • $1,195 HP-Slave Unit Black Oak/Black Maple

  • +$100 Maple

  • +$200 Red, Espresso or Vintage Cherry

  • +$200 Rosenut

Mark Seaton
Seaton Sound, Inc.
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SubMersive HP+ & HP-Slave (can be placed separately) in our black maple finish:
[SM-HP-stack-08-1400]     [SM-HP-stack-05-web]    

[SM-HP-stack-10-web]     [SM-HP-stack-11-web]  

[SM-HP-stack-13-web]     [SM-HP-stack-12-web]  
Rosenut SubMersive HP:

[HP-RNut-2]  [HP-RNut-1]
Submersive in Espresso
Submersive in Black Oak

Our new Vintage Cherry veneer option is a very good match for what I see many offering as "American Cherry" or just "cherry" finish such as with Klipsch, Aerial Acoustics, and many others (better photos coming):

SubMersive HP in Clear Maple:
Mark Seaton
Seaton Sound, Inc.
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