Elevate Your Acoustics:
Bring Reverb To Your
Nylon-String Guitar
100% Unplugged. Ultralight. Natural, Rich Reverb.
No batteries or cables. No pickups, pedals, or amps needed.
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Featured Artists
Make the Leap from Musician to Artist
Unlock Your Full Potential
Are you tired of flat, lifeless tones?
Instead of the dry sound typical of nylon-string guitars, Aspri enhances your guitar’s natural resonance, making every note come alive by capturing string vibrations and releasing rich reverb through the soundhole. Guaranteed to work on all six-string classical and flamenco guitars, Aspri delivers professional studio-quality reverb at your fingertips.
Be inspired. Play with more expression and confidence.
Your Concert Hall, Anywhere
Tired of playing in bathrooms for better acoustics, struggling to find inspiration without pricey, complicated gear?
Aspri transforms any space into a concert hall. Clip it on in seconds for pure, natural reverb. 100% unplugged and non-electric, it has no power sources—no batteries, cables, pickups, pedals, or amps. Its ultralight, award-winning design with padded features ensures it won't damage your guitar.
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
Bring Your Nylon-String Guitar to Life
Don't miss this chance to elevate your playing.
🚀 Transform Your Playing
Experience studio-quality reverb with Aspri Clip-On Reverb. This portable, unplugged device clips on in seconds, delivering rich, natural reverb that elevates your playing experience without any electronic equipment or hassle.
🎶 Experience a Personal Concert Hall
Add depth and dimension to your guitar’s sound. Aspri mimics the ambiance of a concert hall, enriching your guitar’s natural tone.
👌 Hassle-Free, Anywhere You Go
Perfect for all six-string classical and flamenco guitars, Aspri’s 100% unplugged design means no batteries, cables, pickups, pedals, or amps—just pure, natural reverb. Its ultralight, portable build lets you play anywhere.
🔧 Built to Last; Made in Canada 🍁
Made in Canada with high-quality materials, Aspri is built to endure. Its award-winning design with padded features ensures it won't leave marks, residue, or scratches on your guitar, providing peace of mind with every use.
🎤 Stage and Studio Ready
Use with electro-acoustic guitars or pickups to deliver natural reverb through your amp or sound system, enhancing stage and studio performances.
🔊 Crystal-Clear Reverb
Eliminate feedback through your amplifier. Aspri’s design ensures clean, clear reverb without electronic interference.
Don't wait to fully immerse yourself in your music. Upgrade your nylon-string guitar’s sound instantly and naturally.
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Frequently Asked Questions
The new model has improved springs, a matte finish with wood-grain designs, and is much easier to clip on.
Check our Installation page for detailed instructions.
Yes, it's easy to remove and reattach, keeping the perfect adjustment for your guitar.
The Aspri is designed to be easily removable. However, it won’t harm your guitar if left attached.
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.
No, but the Aspri responds dynamically to how you play, giving you natural control over the effect.
It will slightly shorten the string length by about 2mm, so retuning after installing the Aspri is recommended for optimal harmony.
We discontinued it to focus on the nylon-string version. Custom orders for steel-string models are available upon request. Please email us at [email protected].
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 🍁
Aspri Reverb is crafted with the finest materials, ensuring top-notch quality and durability.
Every unit is meticulously assembled and tested to meet the highest standards, backed by a 1-year warranty.
We're confident you'll love the Aspri Reverb. That's why we offer a 30-day money-back guarantee, no questions asked.