The Keeley Compressor has an Internal Attack control, designed for bass players with high output active pick-ups or active pedal boards with buffers as well as Perfect for BASS GUITARS now!

The Keeley Compressor features an Input Sensitivity Control! This means you can use this in your studio to run keyboards, drum machines, drum mics, even master recordings and other line-level uses with the Keeley Compressor. You’ll raise your signal to a new level of Sonic-Awesomeness. Try it! You and your tone will be taken to new heights!

The Keeley Compressor effect has nothing but tone tested components and has TRUE BYPASS switching!!! Effect switching incorporates a triple pole-double throw switch! You will have clean unaffected sound when in the bypass mode AND an LED for effect indication. Metal film resistors and capacitors ensure the cleanest compressor on the market. Hand matched transistors to less than 1% tolerance ensures you get a perfectly compressed signal, no chance for unwanted distortions. For those wanting a better tone than that of Trey Anastasio from Phish or David Gilmore of Pink Floyd or the Edge of U2 this is it! Nashville/Country guys...boy, you don't know what you're missing, toss the old red Dyna Comp and stay one step better than the other guy's tone! The TOP Studio Guitar Player in Japan, Masaki Matsubara, uses a Keeley Compressor!

The sound quality of the Keeley comp is unheard of in the stomp-box arena and is only seen in the high-end, very expensive rack-mount or tube equipment.

Why does this compressor sound so good?

Careful selection of parts. The output transistors are carefully matched transistors. I use these to obtain an exact gain and sound field I heard from the Ross, yet have been able to surpass that sound quality by other careful refinements. We use only the best components in the construction. Metal Film Resistors and capacitors are used throughout the design. It also has a true bypass switching circuit. This makes sure you have absolutely no tone loss or signal reduction through my pedal in the off/bypass mode. This is a very expensive switch but is well worth the tonal difference.

Keeley compressors are completely hand built and take nearly 12 hours to complete. Every pedal is tested to ensure that there are no failures. The pedal is "semi-abused" to make sure there is nothing but bliss when you install your new compressor. I worked in the pro audio repair business for over 10 years and know what it is like to get something that should have been caught at the factory. Since each pedal is hand made there might be small differences as improvements are made. Every attempt is made to make sure your pedal looks perfect and sounds better than you imagined.

BASS GUITAR?!?!? Check out this review! Compressor and BASS guitar review!

Out of the box, the Keeley Comp rules! Here is a review:

I received the compressor in the mail last Saturday and used it right away on Sunday live with my 5-string Lakland. I was truly impressed with it, more than any other rack unit I've used. Before owning the Keeley, we've usually inserted a PreSonus compressor at the FOH board, especially in boomy rooms. I've struggled with achieving great bass tone in boomy rooms for a long time now.... I tried the Keeley between the bass and the active direct box and scrapped the compressor insert, perfect! To me, it did the best job with the "sustain" knob at 9:00 and the level knob at 11:00 to match the by-passed volume. That "sustain" setting still allowed my bass to have dynamics. It worked perfectly at normalizing levels between finger-style and slap playing. Before, I had to adjust the my volume knob or lighten my slap attack if I wanted to accent notes that way without causing problems in the mix, but now, it more of an automatic process with the compressor dealing with those issues. Plus, it did a great job of making notes come out clear (no matter what string), defined, and with great tone (I own Lakland basses and an Avalon U5 direct box, so the compressor didn't create the great tone, but it taps into the potential for great instruments to sound great...if that makes sense). Your compressor was extremely transparent, my basses still sounded like my basses with it on or off. I prefer it on because it adds the finishing touches that make me sound professional.

Another perk that I enjoy with the Keeley compressor is that I can supply the sound engineer with a signal that is "well-packaged" and more consistent without his/her intervention.

NOTE: If you choose to use this unit with an adapter, please make sure the output on the adapter is DC.

Specifications subject to change without notice.