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Outlaw Audio Ultra-X12 Subwoofer

Outlaw Audio today released their new flagship home theater subwoofer for under $700, called the Ultra-X12. The sub has a 12-inch downward-firing driver and 350-watt Audera amplifier. The company says this new model delivers room shaking 120 dB of bass, and outperforms their other subwoofers. The Ultra-X12 beats Outlaw’s LFM1-EX subwoofer by 2 dB, and is just one inch wider and one inch deeper than the LFM1-PLUS yet delivers 17Hz (plus or minus 2 dB) in the max extension mode. The Ultra-12 is said to offer more “slam and dynamics” for home theater goers, and is “tighter”, “faster”, and “clearer” for those audiophiles whose primary listen to music.


The Ultra-X12 now houses a longer port than the plus for greater bass extension for the cabinet size.

A totally new amplifier design from Audera offers greater efficiency and power in a compact design. Idle power consumption has been reduced to 0.5 watts, which meets the latest guidelines for subwoofer amplifiers.

The Ultra-X12’s cabinet has a totally redesigned bracing system (“window pane” Perimeter Bracing). Vertical and horizontal interlocked lattices now support the side and end panels as well as the top and baffle. This advanced design raises the resonant frequency of the cabinet away from the critical 60-65 Hz range, virtually eliminating any tendency for coloration of mid bass frequencies.

The Ultra-X12’s newly designed amplifier offers an improved equalization system to linearize the frequency response. Earlier LFM designs tended to be a bit “fatter” in the 60 Hz range, producing a slight overemphasis of that frequency. We have effectively eliminated that mild elevation to produce a very flat response. For example, in A/B comparisons with an EX, the new Ultra-X12 delivers an audibly improved resolution of separate notes on a deep string bass.

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A new advanced limiter has been optimized to strengthen maximum output with no audible side effects.

The Ultra-X12 now includes an output for a second subwoofer to simplify “scattered subwoofer” installations without the need to use an external RCA “Y adapter”.

Price and Availability

The Outlaw Audio Ultra-X12 subwoofer is available now for $668 ($639 + $29 shipping from now until November 17th). The company says there will be no better offer on the Ultra-X12 throughout the 2014 holiday season.


  • A down firing design that virtually eliminates audible port noise
  • A long throw 12″ driver for deep bass extension
  • A powerful 350 watt Audera amplifier for precise driver control
  • Variable port tuning for customized output
  • Signal Sense for automatic turn on/off
  • 180-degree phase control
  • Line and speaker level inputs
  • Detachable power cord

Outlaw Audio Ultra-X12 Reviews

From Critics Around the Web

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