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Our Thoughts RADAR AI

This £800 asking price for the Ferrum Audio HYPSOS is a strong deal, sitting well below the 25th percentile of £790 in your recent comparable listings and notably under the median of £841. With the original retail price historically around £995–£1,195 (approximately £850–£1,020 GBP depending on the EUR/GBP rate at launch), finding a used unit this far below the typical market range represents genuine value for a fellow enthusiast.

The HYPSOS is a highly regarded linear/switching hybrid power supply that dramatically cleans up noise and boosts dynamics for DACs and headphone amps like the Oor or Wandla. Its ability to deliver selectable 5–30V DC at up to 6A makes it a versatile upgrade that many users describe as a "revolution" in their system's sound. At this price, it’s a clear buying opportunity for anyone wanting top-tier power conditioning without the flagship cost, especially if the unit is original-owner and includes the cable.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Ferrum Audio

Ferrum Audio emerged from Poland's Warsaw region as a fresh entrant in the audiophile world, launched by parent company HEM under CEO Marcin Hamerla. Drawing inspiration from local ironworking heritage—where "Ferrum" means iron in Latin and nods to the area's metallurgic past and Hamerla's blacksmith father—the brand embodies Polish craftsmanship fused with high-end audio design. Locally engineered and manufactured, it represents years of accumulated expertise without a specific founding year disclosed, quickly gaining traction since its debut products.

The lineup centers on compact, high-performance desktop and head-fi electronics, spotlighting the HYPSOS power supply as its firstborn, followed by the OOR headphone amplifier, ERCO DAC/amp, and WANDLA DAC. These siblings excel standalone but pair synergistically, especially with HYPSOS, delivering exceptional musicality. Ferrum avoids speakers, turntables, or cables, focusing instead on DACs, amplifiers, and power solutions tailored for headphones and living-room setups.

Positioned as a niche boutique force in the high-end market, Ferrum has surprised the head-fi scene with its iron-clad builds, precise sonics, and value, conquering global dealers from its Polish roots. For discerning buyers seeking uncolored, dynamic audio without excess bulk, it stands as a confident, modern contender.

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