Pure Acoustic Resonance
Shapes your guitar’s natural tone into an expressive acoustic space with depth and bloom that respond to your touch.
Crafted with Precision for Resonance That Inspires
ASPRI enriches your instrument with natural analog resonance that responds to your touch and adds depth that inspires.
Precision Spring Engine
Hand calibrated springs translate nuance into motion, creating refined echoes and decay that enhance presence and warmth.
StringDrive™ Source Capture Technology
Captures vibration at its most expressive point so articulation and dynamics flow naturally through the resonance.
External Resonance Design
Your guitar amplifies and blends the resonance through its own body, keeping the effect organic, cohesive, and true to the instrument’s voice.
Why ASPRI
ASPRI unlocks something rare.
- 1
A More Expansive Voice That Inspires
ASPRI enriches your guitar with depth and bloom that feel rewarding to play and unmistakable to hear, offering a fuller voice that remains true to the instrument.
- 2
Expression That Responds With Emotional Clarity
Nuance gains dimension. Dynamics translate into space. Your playing feels more alive, and listeners experience that same immediacy and intent.
- 3
Better Connection Between Player and Audience
Resonance follows your articulation in real time, giving each phrase clarity and presence. You hear a more compelling version of your own voice.
- 4
An Acoustic Atmosphere That Elevates Every Performance
ASPRI creates a natural sense of space that integrates with the guitar, adding warmth and dimension that inspire your playing and deepen the listener’s experience.
What is ASPRI?
ASPRI combines patented design, precise-calibrated spring resonance with StringDrive™ source capture to augment your guitar’s natural vibration
This mechanical, fully analog system adds rich acoustic ambience without altering the instrument or introducing electronic coloration. Your guitar stays pure, responsive, and more expressive than ever.StringDrive™ captures the pure vibration at the source. It takes energy straight from the strings, then transfers that energy into an analog resonator. That resonator creates a natural pattern of echoes and decay that your ear hears as reverb plus delay.
Artists In Session
Hear how professionals and creators use ASPRI to elevate their acoustic sound.
Buzz
What the professionals have to say about ASPRI
Andy GrammerMulti-Plantinum Pop Artist & Songwriter
“The ASPRI is awesome. It totally creates a mood for live performance. Love this thing!”
Zakk WyldeGuitar Legend & Founder of Black Label Society
“LOVE MY ASPRI !! Great sounding, inspiring reverb. BAD-ASS little invention!”
Mario GuiniLead Guitar Player for Marc Anthony
“Not only does it sound amazing, but it inspires and truely captivates you.”
Vernon ReidGuitar Legend & Founder of Living Colour
“ASPRI for acoustic guitar is a fantastic analog effect. No blutooth or batteries, just pure sound enhancement.”
Brendan BensonSinger-songwriter, producer and co-founder of The Raconteurs
“I’m stunned! It’s so simple, and so genius and subtle at the same time!”
Chris HendersonLead guitar player for 3 Doors Down
“Where has this thing been all my life. Instant inspiration guys!”
Andy VargasLead singer for Santana
“I felt an immediate inspiration and wanted to play more.”
Jessica LynnBillboard-charting singer-songwriter
“This was amazing. Playing guitar felt like a whole new experience. The guitar sounded incredible.”
Eren CannataSongwriter, producer, and co-owner of Cove City Sound Studios
“The best analog reverb I have heard in a long time & best of all I can bring it with me anywhere!”
Matthew & Gunnar NelsonSinger-Songwriters and founders of the band Nelson
“Our Aspris allow us to sound richer, fuller, and more inspired in even the most intimate and revealing venues. What a stroke of genius- a spring reverb on your acoustic guitar.”
Billy VoightGUITAR World Magazine
“Completely real, live reverb… I had a ton of fun checking this out.”
Experience the Resonance that Inspires
Discover the analog resonance system crafted for musicians.