The Keeley Compressor is the most popular boutique compressor in the world. With well over 50,000 compressors built in our shop we have an expert understanding of compression, limiting, and sustain. We know what it takes to make an instrument sound like it’s been professionally recorded. We know how to make your guitar jump from the mix. We know how to make it fun and easy to play. Keeley Compression is how. The Keeley Compressor Plus is the first true advancement in our 2 and 4 knob compressor line. The new features are simple and straight forward. Now there is a simple Release Switch that is tuned for single coils or humbuckers. No more wondering if you have the attack or release set right. Your humbuckers will have all the attack and punch that they should. Our team designed a gorgeous sounding Tone Control that emphasizes the most sensitive harmonics that can be lost in compression. The Compressor Plus now sports a Blend Control that retains the peaks in your playing and more importantly the proper phasing of your guitar signal. The Keeley Compressor Plus offers the same gorgeous push of frequencies and sweetening of tone that the old comps gave you, now with the flexibility to handle any instrument.
The Keeley Compressor Plus is a compressor with an expander/sustainer. Not only does it act as a regular compressor, limiting the peaks in your playing, it adds more and more gain as notes fade out. Now you have sustain. Nothing worse that a note or a bend that has died before it’s time; the Keeley Compressor Plus adds just the right amount of sustain and expressive bloom to your notes.
The new Release Switch on the Keeley Compressor Plus is designed to make it very easy to transition between single coil and humbucker guitars. Humbuckers have more average energy than single coils and this can cause compressors to stay in “compression mode” for a lot longer. This can make any series of notes you play sound dull. With the quick release of the new Compressor Plus, your humbuckers stay true sounding and each note retains attack and definition.
The Tone Control is our own design taken from analog delays and other vintage effects. Those effects used an emphasis circuit to recover treble and highs after they went through the BBD or other analog delay lines. We took that circuit and made it into a full fledged tone control! We found that it was the perfect way to gently add back in highs lost in the compression process.
The Blend Control is a way of getting the peaks to come through and having sustain at the same time. So if you want sustain more than peak-limiting, this style of Manhattan Compression is for you! Keep all the peaks and transients with the Blend and Tone Controls while adding sustain on the back end. Heaven!
This compressor isn’t just for heavy funk or chicken picking anymore. The new Compressor Plus is for players wanting a smooth, subtle wash from their guitar. Remove just the right amount of peaks for an ambient layer and then blend in the right amount of treble for a nice shimmer to your guitar. Use with your favorite fuzz to create a wall of tone like you’ve only heard on records. Looping has never been easier than with this compressor. Consider it an essential tool when creating loops that sound well balanced. Forget it all and use the Compressor Plus for the best amp boost you’ve heard. Nothing pushes an amp better than the Keeley Compressor Plus.
The new Keeley Compressor Plus is the result of us specializing in compressors for over 15 years. Chief Engineer and founder Robert Keeley said, “Compression was the first effect I found that was hard to make sound good off the shelf, so I set out to create the best sounding compression effect possible.” We have it down to a science but still treat it like art. Since it is at the core of what we do, we can offer it for an incredible price now. The Keeley Compressor Plus is completely made in the United States. Come by our shop and watch the magic happen. We didn’t just start making compressors to look good alongside co-branded coffee mugs and shirts and hats. We’ve worked with and listened to the pros that have had the the original compressor on their board for 10 to 15 years and found out what it would take to keep it on their board for another 10, 20, or 30 years…. Add the Compressor Plus to your rig, you and your guitar will be singing for days.
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All in stock orders placed before 1pm EST will ship same day and all orders placed after the cutoff will ship the next business day*. If you need an order immediately, please let us know and we’ll try our best to accommodate your request.
Most orders shipping within the US will ship via USPS or FedEx and are fully insured, we also offer express options if you need an item within 24 hours. All tracking numbers will be sent via email after the item is shipped. If you did not receive your tracking number please feel free to call or email us.
All US Orders $49+ Ship for FREE
We love and truly appreciate all of our International customers. All of our international shipments are fully insured and are guaranteed to be delivered or your money back. We offer a variety of shipping options for you to choose from and if for any reason there is an issue with your order we will make it right, that is our promise you.
Pre-Orders typically ship with 2 weeks. In the event a product is backordered we will contact you with an exact shipping timeframe.
Smaller items will ship USPS First Class.
USA shipping only for Barber Electronics, Boss, Darkglass, Dunlop, DryBell, EarthQuaker Devices, Eventide, EVH, Fender, Gretsch, Korg, Marshall, Music Man, MXR, PreSonus, Quilter, Roland, Schecter, Shure, Source Audio, Way Huge, Tech 21, Vertex, Voodoo Lab, Vox, Wampler.
What if my package gets stolen?
Please note: We are a small, family owned business. While we want to make sure you are satisfied with your purchase, we would like to try to limit the amount of returns as much as possible. This helps both us and the customer save time and money. If you are unsure about a product, please contact us before you complete the purchase, and we'll do our best to find the item that will best suit your needs. Prymaxe reserves the right to define abuse of the return policy on a case by case basis and consequently refuse subsequent return requests by said abuser and place them "All Sales Final".
Last Updated: March 27, 2018
If you are not 100% satisfied with your purchase, you can return it within 45 days of the original purchase date for a store credit refund, or within 14 days of the original purchase date for a refund to the original purchase method (PayPal, credit card, etc). If an item is not received by us within the 45-day window, the package will be refused. All new items returned must be in BRAND NEW condition with zero signs of wear or use and must be returned in the original packaging with ALL materials (free/bundled items -- must be unused/unopened, warranty cards, plastic, pouches, manuals etc.). We reserve the right to charge an up to 15% restocking fee on any opened guitars, amps, or keys being returned.
Our 45-Day Satisfaction Guarantee covers brand new products only -- it does not cover used and clearance products (see below). It also does not cover items in the “What is NOT Returnable” list below. Please note: All actual shipping fees paid by Prymaxe will be deducted from your refund. This includes orders that qualified for free or subsidized shipping. Return shipping must be paid by the buyer. If you received a defective or incorrect item, please see our FAQ section below.
All Used and Vintage items come with a 48 hour approval period. Please contact us directly at email@example.com within 48 hours of receiving your product for us to set up a manual return for you. Be sure to include your order number and reason for return in the email. All Used/Vintage items must be returned in the same condition they were sent to you in, as well as include all materials that came with it.
All returns should be insured by the buyer and sent via UPS, Fedex, or USPS with tracking. Please do not write on or attach tape or labels to the product box (these will be refused) -- use a packing box to return the product. Attach a shipping label with the RMA number onto the shipping box. Packages without a valid RMA number on the outside of the box will be refused.
To request an RMA number, please email firstname.lastname@example.org. We do not issue RMA by phone.
When will I get my refund?
Once your return is received by us, your refund will typically be processed within 10-15 business days. It typically takes a few business days for all credit card refunds to be processed and reflected on your statement. This means it will take a few extra days for your refund to show in your account after your return is processed. Store credit refunds will be given in the form of a e-gift card which will be available for immediate use after it is emailed to you. Please note: All actual shipping fees paid by Prymaxe will be deducted from your refund. This includes orders that qualified for free or subsidized shipping. Return shipping must be paid by the buyer. If you received a defective or incorrect item, please see the next question.
What if I receive a defective or incorrect item?
If a product is defective upon arrival, or the wrong item was received, all the shipping fees will be covered by us and we will send you a replacement once the original item is received. If for any reason a replacement wont be available for a significant amount of time, we will issue you a store credit to use on another item. For defective items, Prymaxe reserves the right to refuse the return if we determine the reason for the unit failing was not covered under the warranty (i.e., if the item was damaged due to user fault or error). If you feel your item was damaged in shipping, please take plenty of pictures of the damaged box and item and immediately contact us so we can open a claim with the shipping company.
Please be very diligent with testing your defective item. Be sure to try other guitars, power supplies, cables, and amps. We also request that you take a video of the item not working. If we receive your item, test it, and find it to be working, we will give you a refund minus the cost of shipping both ways and charge a 20% restocking fee.
When must I ship my return?
Your return must be received by us within 45 days of the original purchase date for store credit, or postmarked by 14 days for a refund to the original purchase method (PayPal, credit card, etc). This means you must ship your return with enough time for us to receive the package within the deadline. If it does not arrive within 45 days, we will refuse the package. If you feel you sent the package within a reasonable time frame, but it arrived late due to the shipping company’s error, please immediately contact us to make an appeal before we refuse the package.
What if I pre-ordered an item?
If a pre-ordered item arrives outside of the 45 day window from when you ordered it, you will have 7 days from the arrival date to send it back for store credit.
Why was my package refused?
There are a number of reasons your package could be refused by us, including:
Add any degree of compression to your guitar signal, from light to full-on percussive sound like Nashville chicken-picking. Keeley labels this pedal as having an expander/sustainer design. Different compression circuit for single coils and humbucker with a toggle switch. Sustain knob adjusts the compression, and full on gets maximum compression and notes sustain a long time. Blend and Tome controls adjusted with the Sustain knob delivers a variety of sound, tweak to taste. Level knob adjusts overall volume and it can get loud if you need it. Priced right on Prymaxe with discount code.
Best compressor for the money
This pedal adds a tube-like warmth that creates a thickening effect without sacrificing treble or mids. The "single coil / humbucker" select switch is a "spot on" tweak for quick compression adjustments when changing pickup types.
Great addition to my board, glad I bought it.
Perfect for my pedal board & requirements! Love it!!