Exploring the New Fosi Audio P4 Solid-State Preamplifier: My Impressions

Buy directly from Fosi Audio Unboxing the Fosi Audio P4 Solid-State Preamplifier: First Impressions Introduction At last! The Fosi Audio development team has kindly sent me a release sample of the new P4 preamplifier in mid-December. I had been advo...