: Verify that the PP 2 is connected to a standard Line-Level input and not a Phono input on your receiver. Phono Preamplifier PP 2 - HiFi Gear
Move the PP 2 away from other equipment (like power transformers) to reduce interference.
Plug your turntable's RCA leads into the or MM inputs on the back of the PP 2, depending on your cartridge type. Match the colors: Red for Right (R) and White for Left (L).