Experience Rich, Natural Reverb: 100% Unplugged
Non-electric: No batteries, cables, pickups, pedals, or amps.
Portable and simple: Clips on & off safely in seconds on all six-string classical & flamenco guitars—electric or not.
Reverb Comparison
The World's First, Simplest & Best Unplugged Reverb Solution
After 55 years of relentless innovation and meticulous testing with world-renowned guitar virtuosos and sound engineers, we have perfected the Aspri Clip-On Reverb. Built to withstand the test of time, the Aspri offers unmatched quality and reliability.
The Aspri provides a transformative, unique, eco-friendly, fully analog spring reverb experience. Pioneered by Roberto Aspri in 1968, it captures sound directly from the string vibrations just before they hit the saddle, ensuring the most authentic and rich sound possible, with natural reverb emanating from your guitar's soundhole.
Click the buttons below to switch seamlessly between raw audio clips and hear the difference without and with Aspri Reverb:
To stop the sound, press the activated button again. To restart, either refresh the page or wait for the 20-second audio clips to finish.
Featured Artists
Unleash the Artist in You
Unlock Your Full Potential
Tired of dry, flat tones?
Introducing the new and improved Aspri Clip-On Reverb, made in Canada with the highest-quality materials and designed to never interfere with your playing.
Whether you're a beginner or a professional, instantly add depth and dimension to your guitar's sound and be inspired.
Start playing with more expression and passion.
Zakk Wylde, guitar legend & founder of Black Label Society
Andy Grammer, multi-platinum singer-songwriter
Chris Henderson, lead guitar player for 3 Doors Down
Mario Guini, 4x Latin Grammy "Multi Platinum Winner"
Your Concert Hall, Anywhere
Struggling to find inspiration without any complicated gear?
The Aspri Reverb's ultralight, award-winning design, with padded features, ensures no marks, residue, scratches, or damage to your guitar.
Experience our 100% unplugged, non-electric clip-on solution, and transform any space into a concert hall with no mods.
Bring the Aspri anywhere and let it take you everywhere.
There's nothing else like it on the market... Simplicity at its best.
Customer Feedback
Reviewed by:
“When you play, the vibrations from your saddle will trigger the springs inside the Aspri’s reverb tank, giving you completely real, live reverb… I had a ton of fun checking this out.”
You Can Also Plug In!
If you own an electro-acoustic nylon-string guitar or have a pickup, enjoy natural reverb picked up by your amp or sound system, enhancing your stage performance, completely feedback-free!
Check out Mario Guini rocking his Aspri live at the Latin Billboard Awards!
Instant Reverb in 3 Easy Steps
Step 1: Unbox
Unbox and fully extend your Aspri.
Step 2: Attach
Slide it under the strings and align it with your guitar’s saddle.
Step 3: Secure
Ensure full contact and proper alignment for optimal sound.
Dimensions & Specs
Frequently Asked Questions
No, the Aspri Reverb clips on easily (like a capo) without any need for modifications to your guitar.
No, the Aspri Reverb operates without batteries or an external power source.
The Aspri Reverb is designed and guaranteed to fit on all six-string classical and flamenco guitars. It can be easily clipped on and off in under 5 seconds, allowing you to switch between guitars effortlessly.
Check our Installation page for detailed instructions.
No, if installed correctly, our mark-free pads won't leave any marks or residue, or scratch or damage the finish of your guitar, ensuring it remains in pristine condition.
It will slightly shorten the string length by about 2mm, so retuning after installing the Aspri is recommended for optimal harmony.
No, the Aspri Reverb is not an amplifier. However, it adds a natural reverb that makes the sound last longer and feel fuller.
The Aspri Reverb responds dynamically to your playing style and does not have a manual control for adjusting the reverb level. Quality is our top priority. Through tens of thousands of hours of trial-and-error, and with the help of renowned guitar virtuosos like Alexandre Lagoya and Liona Boyd, we have achieved the perfect amount of reverb that most guitarists are fond of.
The new model has improved springs, a matte finish with wood-grain designs, and is much easier to clip on.
We will be discontinuing the steel-string model soon but it can still be purchased for a limited time. We are shifting our focus to the nylon-string version. Check out our product page.
Check our FAQ page for more Frequently Asked Questions or please email us at [email protected]. We'll be happy to help.
Made in Canada with premium springs, the Aspri Clip-On Reverb offers top-notch quality and durability. Each unit is meticulously assembled, tested, and backed by a 5-year warranty. Enjoy 100% satisfaction with our 60-day money-back guarantee, no questions asked.
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