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The Oyaide INS-SQ is a natural smoky quartz stone insulator, part of Oyaide’s modular INS-series of vibration control accessories. Crafted from crystalline smoky quartz, it is designed to provide high-resolution resonance control and mechanical isolation, while also contributing to a subtle tonal refinement in high-end audio systems.
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The Oyaide INS-SQ is a natural smoky quartz stone insulator, part of Oyaide’s modular INS-series of vibration control accessories. Crafted from crystalline smoky quartz, it is designed to provide high-resolution resonance control and mechanical isolation, while also contributing to a subtle tonal refinement in high-end audio systems.
Oyaide ELEC hit “INS Series” consists of the “INS-BS” multi-base insulator, “INS-CF” made of hybrid carbon fiber, “INS-SP” (concave) and “INS-US” (convex) made of high-rigidity stainless steel, and the possibilities of insulators have been expanded by freely combining these products. By freely combining these insulators, we have succeeded in greatly expanding the possibilities of insulators.
These “insulators that are fun to combine” have been widely accepted by audiophiles, and the series has recorded phenomenal sales of over 20,000 sets since its release*. Since its release, the series has sold an astounding total of over 20,000 sets* and has gained an unshakeable position as an essential accessory for the suspension that supports audio equipment. In pursuit of further possibilities for the “INS Series,” we focused on the physical properties of natural stone materials.
The physical properties of materials are the most important tuning point in audio. After examining the physical properties of 70 different types of natural stones and repeated listening tests, we found the outstanding performance and individuality of black diamond and smoky quartz.
<INS-SQ> is a natural stone insulator made of smoky quartz (smoky quartz crystal) cut to a high precision, giving off an amber smoke-colored crystal shine. Its physical properties are Mohs hardness 7, specific gravity 2.6, and a triangular crystal structure composed of SiO2 and a small amount of aluminum, which has both high strength and high hardness. Its tone is truly delicate and realistic. The space is filled with fine sound particles, and the listener is enveloped by a lustrous acoustic sound.
The tone is clear and straightforward. The tone is clear and straightforward, with a strong sense of power, yet without peaks or dips. It is a monitor-like product suitable for high-fidelity reproduction.
<INS-SQ> is made of carefully selected natural stones, and each stone is meticulously carved by jewelry craftsmen in a jewelry workshop in Japan. The surface is polished to a mirror finish, giving it a beautiful luster and high flatness.
The size is the same coin size (φ20, H6) as INS-CF/INS-SP/INS-US, and can be inserted into “INS-BS”. By combining with other “INS series” instruments, you can enjoy further tuning of tones.
Chosen for its natural energy-dissipating properties
Smoky quartz is known to soften high-frequency glare and add midrange richness
Unlike metal or synthetic materials, quartz absorbs vibration without reflecting it back
Tends to yield a slightly warm, organic character — great for systems that lean analytical or overly bright
Enhances musicality, smoothness, and depth, especially in analog playback or tube gear
Combine with Oyaide INS-BS (brass base) for improved mechanical grounding + tonal balance
Ideal configuration:
INS-SQ on top (quartz for absorption)
INS-BS on bottom (brass for rigidity and energy drainage)
Improved tonal balance, with slightly smoother highs and fuller mids
Reduces harshness or edge caused by vibration-borne interference
Enhances textural detail, decay, and spatial air
Analog front ends (turntables, phono stages)
Tube preamps or DACs that benefit from resonance damping
Digital sources with edge or brightness that need tonal calming
Use 3 or 4 under gear — either directly under chassis or under stock feet
Stack INS-SQ on INS-BS for a hybrid damping + grounding effect
For even finer tuning, you can combine with INS-CFX (carbon FRP) for layered resonance dispersion
Model name | INS-SQ |
---|---|
Material | Black diamond (hematite) |
Size | Diameter 20mm、Height 6mm(Circular form) |
Weight | 5.0g(1pcs) |
Mohs hardness | 7 |
Packing unit | 4pcs |
Capacity | 200kg/pcs |
Release date | 2013/2/22 |
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