Views 3,684 Fosi Audio P4 is a $109 USD compact control hub and preamplifier for hifi stereo systems. While this is a first for this price range, we will be exploring whether it is a good option for your listening rig, especially as it does have EQ options with bass …
Fosi Audio P4 HiFi Preamplifier Review – Fine Overdrive In EQ and Tone Control
