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Synergistic Research Active Ground Block SX

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Certified Pre-Owned What’s this?

Original price $3,544.00 (29% Off Est. Retail)
Original price From $2,499.00
Original price $3,544.00 (29% Off Est. Retail)
Current price $2,499.00
From $2,499.00
Current price $2,499.00

+$55.00 Shipping to contiguous US.
Tax collected at checkout.

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Our Safe Pack and Ship Guarantee means we guarantee its safe arrival. Items are carefully double-boxed or custom foam-molded. For larger pieces, we palletize to ensure secure, upright delivery. In rare cases of loss or damage, we fully protect your purchase.

Shipping Cost

Cost to ship this item within the Contiguous United States is a flat rate of $55.00, including packaging and insurance. Note that all items valued over $750 will require a signature upon delivery.

We DO NOT offer international shipping.

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Product Highlights

Specifications: 32 star ground ports, active UEF filtration, 4th-gen dual-channel ULF Schumann Resonance generator, 99.995% pure silver ground strap, aircraft aluminum/carbon fiber chassis, and 1,000,000-volt SRX treatment. The Synergistic Research Active Ground Block SX is an advanced grounding hub providing a low-impedance path for component noise. By isolating ground signals from current-carrying paths, it eliminates electromagnetic and radio frequency interference, acting as an actively filtered central hub for up to 32 components, cable shields, or racks.

Reviews praise this unit for an immediate, dramatic drop in the system noise floor. Critics report that digital grunge and signal compression disappear, revealing micro-dynamics and fine textures with stunning clarity. Soundstage dimensions expand in height and depth, while instruments gain superior separation and tonal precision. Experts note it allows for deep musical engagement even at lower listening volumes, calling it an essential foundation for high-fidelity systems.

Investing in flagship electronics only matters if you can hear what they are truly capable of. This grounding block acts as the missing link that unlocks the absolute maximum potential of your existing gear. Integrating it into your setup transforms standard playback into a deeply holographic, lifelike musical experience, making it the single most impactful fidelity upgrade you can introduce to your high-end audio ecosystem.
Brand Synergistic Research
Type Misc.
MSRP $3,544.00
SKU # 95535
Serial # AGB0400
Cosmetic Rating

8 - Very good condition with minimal visible cosmetic wear including marks on the body of the component, and some patina and scratches on the copper grounding block. Despite these cosmetic issues, the unit looks good and works as it should.

Functional Notes

Operational condition of this item is excellent, fully tested and no issues found.

Age Unknown
Owners Unknown
Service History None

Grounding Block, 22 Assorted Grounding Wires, Power Cable

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Synergistic Research Active Ground Block SX
Synergistic Research Active Ground Block SX