Airmotiv SE12 12" Flex Subwoofer

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A powerful audiophile level amplifier, a downward-firing heavy duty high excursion powered bass driver, and a front-mounted performance-matched high excursion passive radiator are all features of the Airmotiv SE12 subwoofer. Our Airmotiv Flex subwoofer cabinets are composed of acoustically inert MDF and include shock-absorbing feet as well as a durable but attractive textured vinyl coating.
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Driver Complement

  • Active driver: 12” downward firing heavy duty, long throw subwoofer with a vented steel frame, 2″ voice coil, NBR surround, and treated paper cone.
  • Passive radiator: 12” front firing passive radiator with a steel frame, rubber surround, and treated paper cone.

Electrical Specifications

  • Amplifier: 200 Watt RMS, 400 watts peak. Cool running, audiophile quality, high efficiency Class D amplifier.
  • Protection: Acoustically transparent limiter.
  • Frequency response: 28 Hz – 200 Hz (+/- 3 dB).


  • Stereo left and right unbalanced RCA inputs.
  • LFE unbalanced RCA input.
  • Speaker level left and right inputs.


  • Stereo left and right unbalanced RCA stereo inputs with user-configurable 60/80/100 Hz high-pass, 12 dB/octave bass high pass RCA output.
  • High Pass THD >.005%


  • Volume
  • X-Over Frequency (low-pass)
  • High-pass Crossover Frequency
  • Phase

Power mode

  • AC power: User selectable line voltage; 115 VAC/60 Hz (6.3A Fuse); 230 VAC/50 Hz (3A Fuse).


  • Heavy, acoustically inert MDF cabinet, covered on all sides with tough attractive textured vinyl. Includes a removable sculpted fabric grill with heavy vibration resistant MDF support frame.
  • Feet: Permanently attached feet with anti-slip rubber pads.
  • Enclosure Loading: Tuned passive radiator.

Mechanical Dimensions:

  • 15-3/4” high x 15-3/4” wide x 15-3/4” deep unboxed.
  • 17″ x 17″ x 17″ boxed.
  • Feet: Permanently attached feet with anti-slip rubber pads.
  • Weight: 46 lbs unboxed. 50 lbs boxed.


The Airmotiv SE12 Flex Sub can be configured in a variety of different ways, making it the perfect solution for adding a subwoofer to virtually any surround sound system, or for adding a subwoofer and bass management to almost any two-channel system.

  • System Configuration #1: A surround sound preamp/processor, A/V receiver, or stereo preamp, with built-in bass management and a subwoofer output.
  • System Configuration #2: A surround sound preamp/processor, A/V receiver, or stereo preamp, with a subwoofer output, but with no built-in bass management.
  • System Configuration #3: A stereo preamp or processor that has line-level connections to a separate power amp but lacks a separate subwoofer output.
  • System Configuration #4: An AVR or integrated amplifier that has no line level outputs or internal bass management.
  • System Configuration #5: You have a stereo receiver or integrated amplifier, which has no subwoofer output or bass management, and that you wish to use with a subwoofer and a separate power amplifier.


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