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Shunyata Research Hydra Model-4 Power Conditioner

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Certified Pre-Owned What’s this?

Original price $1,750.00 (71% Off Est. Retail)
Original price From $499.00
Original price $1,750.00 (71% Off Est. Retail)
Current price $499.00
From $499.00
Current price $499.00

+$27.00 Shipping to contiguous US.
Tax collected at checkout.

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Cost to ship this item within the Contiguous United States is a flat rate of $27.00, including packaging and insurance. Note that all items valued over $750 will require a signature upon delivery.

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Product Highlights

The Shunyata Research Hydra Model-4 features four outlets across two isolated duplex zones, seven-gauge equivalent solid copper buss straps, dedicated multi-element passive filters, and a non-current limiting passive design with an IEC socket. This power conditioner serves as a high-performance hub against electrical noise that degrades audio signals. Rather than employing active circuits that restrict dynamic slam, its passive architecture minimizes impedance and coloration. The internal filter topology ensures exceptional component isolation, preventing digital artifacts from bleeding into analog stages.

Earning accolades from Stereophile and The Absolute Sound, the Hydra series is an industry fixture in both home systems and professional studios. Reviewers praise this unit for lowering the noise floor to deliver stunning realism, transient attack, and a blacker background. By expanding the soundstage and increasing phase coherence, it uncovers micro-dynamics and refines separation. While partnering cables can be stiff to route with lighter gear, the consensus values it as a highly reliable component with excellent lasting worth.

Integrating this unit into an audio system establishes a clean electrical foundation so electronics can perform at their absolute peak. It strips away harsh grid artifacts without sacrificing the raw emotional punch or dynamic slam of the performance. For the dedicated enthusiast seeking a time-tested, high-fidelity solution to unlock hidden resolution and musicality from their existing gear, it represents a definitive, enduring upgrade.
Brand Shunyata Research
Type Power Conditioners
MSRP $1,750.00
SKU # 95670
Serial # H4-1139
Cosmetic Rating

7 - Good cosmetic condition with some minor visible cosmetic wear including some light marks on the top edge of the faceplate. Despite these minor blemishes, this unit still looks great and has been well cared for.

Functional Notes

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

Age Unknown
Owners 1
Service History None

Power Conditioner, Power Cable

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