The Douk Audio U8 PRO utilizes the ADUM3165 isolation chip to provide galvanic USB 2.0 signal separation, effectively reducing ground loop noise in sensitive DAC setups. As a specialized audio accessory, it is a functional solution for eliminating electrical interference in desktop HiFi chains, though it is limited to USB 2.0 speeds.
Audiophiles experiencing ground loop hum or electrical noise in their DAC chain should buy this.
Those needing high-speed data transfer for external drives should avoid it.
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