Ultra I S (S is for Speaker)
The Ultra I S is a new iteration of Stiilpoints' extremely well received Ultra I V2 from early 2024.
Experience audio like never before—try Stillpoints’ most refined high-frequency isolator and elevate every note, nuance, and breath in your favorite music.
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STILLPOINTS ULTRA I S
The Ultra I S is the latest evolution of the acclaimed Ultra I V2, designed primarily for use under loudspeakers. It redefines sonic realism and dimensionality—bringing recordings with high-resolution qualities vividly to life.
KEY FEATURES
Three-Dimensional Soundstage
Delivers an exceptionally natural presentation, offering enhanced depth, clarity, and spatial realism when the recording supports it.
Unmatched High-Frequency Extension
Offers the most extended high-frequency response among all Stillpoints products—and arguably any vibration isolator in the market.
Robust Construction & Elegant Finish
Built tough with a black powder-coated finish. The design includes a single technology pocket with an integrated “hard hat” and a ¼‑20 threaded hole in the base for secure mounting.
Modular Customization
Compatible with the Ultra I Bullet Spike (sold separately) for setups requiring deeper engagement—such as on thick carpeted floors.
Also supports direct attachment to audio equipment using Stillpoints adapters for seamless integration.
BENEFITS
Superior Vibration Control
Creates an efficient mechanical pathway that channels unwanted energy away from your components—dramatically lowering the noise floor and revealing intricate musical details.
Enhanced Clarity & Presence
By mitigating micro-vibrations, this isolator achieves greater clarity, resolution, and musical presence—especially noticeable in complex or high-energy passages.
Versatile and Future-Proof
The ¼‑20 threaded base allows you to adapt the Ultra I S to various audiophile applications. Whether under speakers, electronics, or other audio gear, you can upgrade and expand your setup effortlessly.
TECHNICAL OVERVIEW
Specification | Details |
|---|---|
| Use Case | Primarily designed for loudspeakers |
| Configuration | Single technology pocket + hard hat |
| Threading | ¼‑20 threaded hole in the base |
| Materials & Finish | Black powder-coated structural body |
| High-Frequency Performance | Highest extension across Stillpoints line |
| Optional Accessories | Ultra I Bullet Spike (spike-capable setups) |
| Adapter Support | Compatible with all correct Stillpoints adapters |
WHY CHOOSE THE ULTRA I S?
Transform Your Sonic Experience
This isn’t just about reducing vibration—it’s about unlocking deeper musical engagement, clarity, and emotional connection with your audio.
Tailored to Your Room & Flooring
Whether on hardwood, carpet, or custom racks, the Ultra I S provides solutions for precise leveling and optimal stability.
A True Stillpoints Innovation
As the culmination of refined Ultra design, it marries mechanical isolation principles with audiophile-grade engineering, ensuring lasting performance and unmatched return on investment.
For environments with thick carpeting, be sure to add the Ultra I Bullet Spike when necessary.