Audiophilepure

https://stereonet.com/reviews/wiim-vibelink-amplifier-review

The Vibelink also has a Post-Filter Feedback (PFFB) circuit to minimise distortion and enhance clarity across different speaker loads, it is claimed. While affordable TPA3255-based amplifiers and ESS Sabre DACs abound, the WiiM distinguishes itself on several fronts. The unibody aluminium chassis is a premium touch and the switched-mode power supply is internal. Many competitors rely on chunky external power supply bricks, and some encounter overheating due to inadequate cooling.

WiiM’s fully passive cooling solution uses a PID thermal control circuit, a copper heat pipe and a large aluminium heatsink – PC assembly enthusiasts will feel right at home! During my listening tests, the Vibelink Amp reached a maximum of about 15 degrees C above ambient temperature after several days of continuous use. I didn’t trigger the amplifier protection circuit, so the cooling design definitely works. Also, the amplifier will power down after a period of inactivity, which is great in a world of rising energy costs.

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