The Gold-Award-Winning ‘The Pusher’ was our sole, clean booster for years. And guitarists everywhere praised it for its delicious and musical tone. If there was one thing that it needed – just a little – it was that extra notch of clean boost. Well, we listened – and now we’ve fixed it!

Our new Boost 18 that shares the same small footprint and flavorful tone will now step up and take The Pusher’s place. The Pusher offered 15 dB of clean boost, and as the name suggests Boost 18 adds another three clicks to the party with its 18 dB of clean boost. Quite simply, Boost 18 will deliver even more of all the good stuff that The Pusher did. It has the same sonic flavor, clarity and compression, and goes all the way from unity gain at minimum, to 18dB at max.

Further, we have also improved the taper to give a smoother and more linear feel when you dial in the amount of Boost Level.

Clean but flavorful

Boost 18 may be a clean booster, but it’s definitely not just a neutral active volume pedal. Our founder and Head Engineer, Steen Grøntved, has deliberately tweaked it to add flavor to your tone, and as a result, we have seen many players who actually use The Pusher as an always-on preamp pedal, simply because they love the natural tube-like sound of it. Now you can continue to do so with Boost 18, but also get an additional kick upwards when using it for boosting.

Whether you want to push your tube amp into natural overdrive, or just need to lift your solos above the band, Boost 18 always deliver that truly sought-after clean goodness!

Where other boosters just make you louder, Boost 18 takes a more refined approach to boosting by enhancing and focusing the tonal spectrum right where your guitar lives. Turn it on and instantly hear your tone stand out with renewed clarity, definition and punch as if you were pushing the tubes of a high-headroom amp, making it perfect for beefing up clean rhythm parts or making melody lines stand out.

But hey, if you just want to use it as an always-on tone enhancer we definitely won’t blame you!

Drive your drives even harder

However, if you wanna get dirty though (and we know you do!) Boost 18 is the obvious choice for taking your tone from driven to blissfully wild. Crank it and slam it in front of your favorite drive pedals, or feed it straight into your already overdriven amp and get ready to hit the crowd with everything plus the kitchen sink. From crunchy blues rhythms to hard-hitting power chords and sizzling solos, Boost 18 will give you exactly what you bargained for.

Now add True Bypass switching to the mix, so your core tone never gets corrupted, and you’ve stepped onto your new favorite sonic tool and secret gem.






“Clean boosting may be a simple concept to grasp, but high-quality boosting of an analog signal is not just about notching everything up a few decibels. That’s easy.

Just like I spent countless hours on testing analog components to develop the TrueOverDrive circuit, The Pusher and Boost 18 build on methodical testing and listening sessions to find the best possible ingredients that make up this highly intoxicating tone.

As a first step, I went to the main guitar pedal shop in Copenhagen and pulled down every clean booster from the shelf. Then, I started comparing and gained a good understanding of how the individual boosters colored the guitar sound in different ways. Next, I investigated the technology behind in depth. What makes up a great clean boost design? I ended up with a very simple design, that to my ears sounds better than any of the clean boosters I had compared to my research.

However, it turned out that this design was hard to port from hand-wiring to a mass-produced version. I did create a second version suited for production on a larger scale that sounded great. But the tradeoff was a tone that was just a bit more like the other – very good – clean boosters I had tried. Players who bought it really loved it, but the slight ‘normalization’ of the sound kept bothering me, and I felt I had compromised the perfect tone that I live and die for. Therefore, I made a decision that may have been foolish from a business standpoint, but it was the right one from a guitar player’s and a tone aficionado’s perspective. I pulled it from the product line as I felt it was almost perfect. ‘Almost’ is the keyword here…

Then, one morning, I woke up and literally had the solution to this problem in my head. I had an idea on how the great tone of the original version of the pedal could be produced at scale without compromising the vintage, tube-like flavor. It worked out perfectly, and the result was a slightly modified version of The Pusher that I truly feel delivers the great tone of my original hand-wired design.

Now, we have reached the next step. The same sonic qualities that I worked so hard to obtain, ut with even more gain under the hood. I hope you will feel the same and enjoy letting BOOST 18 take you over the top.”

Steen Grøntved
LunaStone Founder and Head Engineer



  • Independent +18 dB level boost
  • Beef up rhythm parts, lift solos or push your drive to the max
  • Tiny footprint
  • High-quality components
  • True-bypass switching


  • Chassis dimensions (W/D/H): 1.5″ x 3.7″ x 1.3″ (37 mm x 91 mm x 33 mm)
  • Weight: 125 g. (4.4 oz.)
  • Battery type: none
  • Adaptor type (not included): Standard 9V DC (center negative)
  • Power consumption: 2mA



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2 Year Warranty

Our pedals rock. And they are rock-solid so we give you 2 years of warranty on your new pedal from the day you buy it. For details, please read the Terms & Conditions.