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Most affordable ported servo subwoofer. Narrow 16” with front port.  Ideal for home theatre. 300WRMS.
Price: $699 shipped

Most affordable sealed subwoofer. Narrow 14” Ideal for Music/HT. 300WRMS.
Price: $629 shipped
Metal cone multi-tuned ported subwoofer. Ideal for Music/HT.400WRMS.
Price: $1049/$1299 shipped
Low inertia dual 8" paper cone sealed subwoofer. Narrow 12” front baffle.  Ideal for music/home theatre. 600WRMS. FM8 can also be used as a midbass module with one-band PEQ and one HPF output.
Price: $985/$1109 shipped



F12 / F12SE / F12G
Compact aluminum cone sealed subwoofer. Great output for its size. Ideal for combined HT/music systems. Recommended for speakers with 5” woofers or larger. 400WRMS. Two
Price: $1139/$1259 shipped

F12SE White
F12SE with white PU paint. 400WRMS amplifier.
Price: $1259 shipped

Less expensive version of F12 with Hypex Ucd-based 400WRMS amplifier.
Price: $889 shipped
Dual opposed 12" driver sealed sub with 800WRMS amp. Compact size 19" wide and 24" depth. Reduced enclosure rocking with back-to-back drivers.
Price: $1549/$1749 shipped
E15 / E15HP2
A more compact version of F15HP, intended for higher spouse acceptance. Features the same amp and driver as F15HP. E15HP2 features an HX1000XLR3 900WRMS upgrade
Price: $1399/$1729 shipped
Standard aluminum cone vented subwoofer with 2 tuning frequencies: 18hz (two port) and 12.5hz (one port). Ideal for HT systems.400WRMS.
Price: $1399 shipped
FV15HP / FV15HP2

Aluminum cone vented subwoofer with 2 tuning frequencies: 18hz (two port) and 12.5hz (one port). Ideal for HT systems. FV15HP2 features an HX1000XLR3 900WRMS upgrade
Price: $1769/$2189 shipped
Our largest single driver sealed subwoofer. It uses HX1000 with 900WRMS power and an 18" driver with 240oz magnet. 90.7db CEA-2010 at 10hz measured from Data-bass.com
Price: $1849/$2070 shipped
Ported version of F18 with 2 tuning frequencies: 12.5hz(two port) and 16hz (3 port). Ideal for those need more low end output. 94db output at 10hz measured from Data-bass.com. Ideal for HT systems.
Price: $2119/$2219 shipped

Dual opposed 15" driver sealed sub with 1800WRMS amp. Compact size 19" wide and 24" depth. Reduced enclosure rocking with back-to-back drivers.
Price: $2950 shipped






New range of subs

Our range of subs has expanded and we now offer a range of subs for music, home theatre and combined systems. L series is our entry level product line and F/E series is our premium product line.

Output comparison

Every one of our subwoofers has bass extension lower than 20hz. Our frequency response specification is based on -3db point which is far more stringent than +/-3db that other manufacturers have used. +/-3db is more like our -6db specification because the former is equivalent to 0db/-6db specification. Lower bass extension is also advantageous in multiple sub setup.

At 20 Hz, our subs vary in their maximum output capability. The output at 20 Hz is shown relative to F12.

When comparing ported models vs sealed models, ported models will have more full body bass and it can contribute a bit higher output in subjective perception of bass loudness that is not reflected in db numbers.

  • F12: 0db (baseline)
  • F8/FM8: -1.5db
  • L12: -1db
  • F12-300: -0.5db
  • LV12M: +2db
  • L22: + 4db
  • LVX12: +4db
  • FVX12: +4.5db
  • E15HP: + 5db
  • F15HP: +5.5db
  • G22: 6db
  • E22: 6db
  • F18: +7.5db
  • FVX15: +8db
  • FV15HP: +11db
  • G25HP: +12db
  • FV18: +14db
  • FV25HP: +17db

Home theatre subs

For systems where home theatre is the main priority, we recommend our vented subs. At 20 Hz, a vented sub is comparable to the output of two similar sealed subs. LV12F is our lowest cost sub and is designed for smaller rooms and modest budgets. Our larger 15" subs are suited to larger rooms and have substantially more output. Don't be fooled by typical comments about vented subs lacking accuracy. These subs are tight and musical.

Music only systems

For music-only systems we recommend our sealed subs. We have sealed subs in various sizes and finishes. Where high output at 20 Hz is not needed, our sealed subs will match the output of their vented equivalents. In addition, greater extension is possible. Combined with room gain, in-room extension to 14 Hz or even lower is possible.

Combined systems

For combined music and home theatre systems, many of our 15" sealed subs are a good all round compromise. Our dual sealed 15" F25 is a very good choice, offering the LFE output of our vented subs but with the added bonus of greater midbass efficiency and output.

Direct Servo technology

The secret to accurate bass is in our patented Direct Servo technology.

A sensing coil provides immediate feedback to ensure the cone precisely follows the input signal. The result is very tight, accurate and dynamic bass. Unlike many other non-servo subs which exhibit two-mode bass: either with too much bass when volume is up or with too little or no bass when the volume is down, our higher resolution subwoofers allow customers to listen at lower level and yet able to hear detailed bass in a wide range of volume level.

How to purchase

Our range of Direct Servo subwoofers on this page are available for purchase on-line direct via our website. They are also available through Ascend Ascoustics sold with their speakers.

Our customers say ...

From our customers we often hear comments like these:

"This is the cleanest, tightest, and most accurate bass I've ever experienced." ... Rob > More

"... I am hearing notes I've never heard before." ... Kent B > More

" It's quite satisfying when you hear that some bass notes, previously thought to be a single note, are actually two notes or a series of shorter notes." ... Darren K > More