The World's Most Natural Spring Reverb for Nylon-String Guitars
With the ASPRI Clip-On Reverb, enjoy authentic reverb straight from your guitar, completely unplugged—no batteries, cables, pickups, modifications, or installations.
Inspire your creativity with every note, wherever you play.
Bring Your Guitar to Life
The ASPRI Clip-On Reverb captures your guitar’s natural vibrations at the saddle and blends them with rich reverb. It resonates through the sound hole, surrounding you with warmth and adding depth to every note.
It’s the only reverb tool for nylon-string guitars that requires no batteries, cables, pickups, or installations. Simply clip it on and play!
Click to compare the sound. Hear the difference without and with the ASPRI Clip-On Reverb—carefully synced for an almost seamless comparison. All audio is raw and unprocessed.
Without ASPRI: Dry vibrations pass through the saddle, leaving the tone flat and lacking depth.
With ASPRI: Vibrations pass through the saddle & into the reverb tank, blending with rich reverb to add warmth and depth.
Acclaimed by World-Renowned Artists
Andy Grammer, multi-platinum singer-songwriter
Chris Henderson, lead guitar player for 3 Doors Down
Zakk Wylde, guitar legend & founder of Black Label Society
Mario Guini, 4x Latin Grammy "Multi Platinum Winner"
Your Personal Concert Hall
Imagine the feel of a concert hall at your fingertips.
With every pluck or strum, the ASPRI Clip-On Reverb surrounds you in lush, immersive sound, letting your guitar sing with fullness and expression.
Whether you're at home, on the beach, in a studio, or around a campfire, ASPRI turns any setting into your personal stage, filling it with resonant, inspiring sound wherever you play.
Take ASPRI on Stage
You don’t need a pickup or amp to play ASPRI, but if you do, its natural reverb seamlessly enhances your amplified sound.
Whether performing for an intimate crowd or a packed venue, ASPRI delivers pure, authentic reverb—completely feedback-free—connecting you with your audience.
Watch Mario Guini perform with ASPRI live at the Latin Billboard Awards!
Clip It On in Just 2 Simple Steps
Step 1: Attach
Slide your ASPRI under the strings, ensuring it makes contact with the saddle. The padded back rests against your guitar, securing it in place.
Step 2: Adjust & Play
Roberto Aspri, inventor & founder of ASPRI, pictured in the late 1980s
The Original and Still Unrivaled
Invented in 1968 from a deep love for music and a desire to inspire, ASPRI became the world’s first fully mechanical spring reverb for acoustic guitars. With guidance from virtuosos like Liona Boyd and Alexandre Lagoya, ASPRI was crafted through relentless experimentation—giving musicians a tool to elevate their sound naturally.
Perfected over 55 years, ASPRI continues to deliver unmatched natural reverb and timeless design, trusted by world-renowned artists to bring warmth and depth to every performance.
Proudly made in Canada, ASPRI isn’t just a reverb tool—it’s a legacy of passion and creativity, designed to inspire musicians with every note.
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.”
See How ASPRI Inspires Musicians
ASPRI Clip-On Reverb
Original price was: $149.95.$129.95Current price is: $129.95.
The world’s most natural spring reverb, crafted for nylon-string guitars. The ASPRI Clip-On Reverb captures your guitar’s pure vibrations, enriching your sound with authentic, unplugged reverb—no batteries, cables, or modifications needed. Just clip it on and play, anywhere. Includes Elegant ASPRI Gift Box.
Elevate Your Guitar’s Sound with Natural Reverb
Unlock the full depth of your nylon-string guitar with the ASPRI Clip-On Reverb. Completely unplugged and powered by your guitar’s own natural string vibrations—no batteries, no cables, no pickups needed, just pure sound. Whether you’re playing at home, in the studio, or on stage, ASPRI brings concert-hall acoustics wherever you play. Feel inspired by every note.
Why Choose ASPRI?
Without ASPRI: Dry vibrations pass through the saddle, leaving the tone flat and lacking depth.
With ASPRI: Vibrations pass through the saddle & into the reverb tank, blending with rich reverb to add warmth and depth.
- Unplugged Sound: No batteries, no cables, no pickups needed—ASPRI uses your guitar’s natural vibrations for pure resonance.
- Quick & Simple Setup: Clip it on in seconds and start playing—no modifications, no hassle.
- Inspire Creativity Anywhere: Instantly add warmth and depth, bringing your music to life wherever you play.
- Built to Last: For over 55 years, ASPRI’s award-winning, durable design ensures long-lasting performance.
- Try It Risk-Free: If it’s not perfect for you, return within 60 days for a full refund—no questions asked.
Hear the Difference for Yourself
Don’t just take our word for it—experience the ASPRI difference firsthand. Click below to hear how ASPRI enhances your guitar’s natural resonance and gives it the depth it deserves:
Give Your Guitar a New Dimension
Take an entry-level guitar and make it sound mid-range, or take a mid-range guitar and make it sound high-end. The ASPRI Clip-On Reverb enhances your guitar’s natural tone, adding warmth, depth, and richness, no matter what kind of instrument you’re playing. Whether you’re a beginner discovering your sound or a seasoned professional fine-tuning your craft, ASPRI gives you the power to play with more passion, expression, and confidence.
Made in Canada with precision-engineered springs, the ASPRI Clip-On Reverb is built to inspire and crafted to last for decades. Each unit is meticulously assembled and tested, backed by a 5-year warranty and a 60-day satisfaction guarantee.
Don’t wait to fully immerse yourself in your music—discover new dimensions of sound and creativity with warm, natural reverb, instantly and effortlessly.
| Weight | 0.800 kg |
|---|---|
| Dimensions | 25 × 15 × 14 cm |
| Product Weight |
0.263 kg |
| Product Dimensions |
14.2 x 8.3 x 3.6 cm (min.) |
| Brand |
Aspri |
| Model |
Nylon-string ,Steel-string (last chance!) |
| Cover Finish |
Matte ,Glossy |
Founded in 1988, ASPRI revolutionized guitar sound enhancement with the ASPRI Clip-On Reverb. Perfected over the years, it effortlessly improves sound quality for guitarists of all levels, without the need for electronic equipment.
Redesigned in 2024, the ASPRI Clip-On Reverb continues to inspire guitarists worldwide, reflecting our commitment to excellence and innovation.
ASPRI Clip-On Reverb
Original price was: $149.95.$129.95Current price is: $129.95.
At ASPRI, we strive to ensure a smooth and reliable shipping experience for all our customers.
Delivery Times
We use ChitChats for all domestic (U.S./Canada) and international shipments to guarantee fast and efficient delivery. Orders ship within 2 business days.
- Domestic Shipments: 2-8 estimated business days.
- International Shipments: 5-22 estimated business days.
Tracking & insurance
- All shipments include insurance for your peace of mind.
- You will receive an email with your tracking information once the shipment is created and again when it is in transit, allowing you to monitor your package every step of the way.
Made in Canada with precision-engineered 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.
Frequently Asked Questions
No, unlike other products that require internal modifications, attachments, or power sources like batteries or pickups, the ASPRI Clip-On Reverb works without any of that. Just clip it on (like a capo) and instantly enhance your guitar’s natural sound—simple, fast, and hassle-free.
The ASPRI stays securely in place thanks to the gentle tension of its internal springs, which connect to a front bar with three captors. Each captor holds two strings at the saddle, while the padded back piece grips your guitar snugly. This tension keeps it steady without causing any damage—no glue, screws, or magnets needed. Just clip it on and enjoy playing!
The ASPRI Clip-On Reverb is built to last. The high-quality springs are designed to maintain consistent tension and performance, even after decades of use. The even distribution of tension when clipping the ASPRI onto your guitar ensures that neither the springs nor your guitar experience undue strain. With proper care, your ASPRI will continue to provide authentic reverb for many years.
No, you don’t need one. However, if you have a piezo pickup or an electro-acoustic nylon-string guitar, you can amplify the ASPRI Clip-On Reverb’s beautiful, natural reverb through your amp. It’s been used on stage by top artists during major performances and concerts, delivering a rich, natural sound that enhances any performance.
Yes, the ASPRI Clip-On Reverb is designed to fit all six-string classical and flamenco guitars. It clips on and off in seconds, making it effortless to switch between guitars whenever you need.
For step-by-step instructions to ensure optimal setup and sound, visit our Clip-On Guide and follow the simple process to get the best out of your ASPRI Clip-On Reverb quickly and easily.
No, the ASPRI Clip-On Reverb uses mark-free pads designed to leave no residue or scratches. When clipped on properly, it keeps your guitar’s finish in pristine condition.
The ASPRI Clip-On Reverb slightly shortens the string length by about 2mm, so a quick retune is recommended after clipping on to maintain perfect harmony. It’s a simple step that ensures your guitar sounds its best!
No, the ASPRI Clip-On Reverb isn’t an amplifier. Instead, it adds a beautiful, natural reverb that makes your sound last longer and feel richer, creating a fuller and more immersive playing experience.
The ASPRI Clip-On Reverb adjusts dynamically to your playing style, meaning there's no need for manual controls. After extensive testing and collaboration over many years with renowned guitarists like Alexandre Lagoya and Liona Boyd, we’ve fine-tuned the reverb to deliver a rich, balanced sound that most guitarists love—no adjustments needed!
The new ASPRI Clip-On Reverb model offers two finish options: a sleek matte with elegant wood-grain designs or a glossy jet-black. It also features improved springs for a more secure fit and clips on more easily, enhancing both style and ease for a smoother playing experience.
We’re focusing on the nylon-string version, where the ASPRI Clip-On Reverb enhances sound the most. However, the steel-string model is still available for a limited time! Check our Product page for more information.
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