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The iFi iDSD Valkyrie is a portable headphone amplifier and DAC that, according to the manufacturer, goes far beyond typical designs. Its core promise is customization: users can shape their own sound with tools usually found only in mastering studios.

A key feature is K2HD Technology, which iFi claims restores music to a state closer to the original master. Alongside it, a DSD Remastering function converts PCM files into DSD512 or DSD1024. The company says this raises resolution, reduces distortion, and enhances detail. Listeners can either send DSD straight to the DAC or switch on Remastering to explore different sonic flavors.

Instead of standard digital signal processing, the Valkyrie employs analog circuitry for EQ tasks. iFi states that this choice—implemented through XBassII, XPresence, and XSpace modes—avoids phase shift and other artifacts. XBassII aims to recover missing low frequencies, XPresence boosts midrange clarity, and XSpace broadens the soundstage for a more immersive experience. The manufacturer positions these modes as a gentler, more natural way to tweak audio compared to purely digital solutions.

Power is another focal point. iFi reports up to 5,700mW of peak output, making it capable of driving demanding headphones on the go. This performance is underpinned by a quad-DAC architecture—four Burr-Brown chips that the company believes deliver both detail and the character of classic multi-bit setups.

For wireless users, aptX Lossless Bluetooth compatibility promises CD-quality streaming, while xMEMS support prepares the Valkyrie for next-generation in-ear monitors. According to iFi, this new driver technology is exceptionally fast and precise, minimizing phase issues and offering greater accuracy.

Battery life is up to 18 hours, powered by four 5,000mAh lithium-ion cells for a total capacity of 20,000mAh. Fast charging via USB-C takes about 2.5 hours, making it convenient for frequent travelers. Priced at $1,699 USD ($2,499 CAD), the Valkyrie sits firmly in the premium category.

According to iFi, this device delivers more than raw muscle—it puts the listener in the mixing chair. With features once reserved for professional environments, the iDSD Valkyrie invites users to experiment, refine, and discover their own signature sound.