Do you have a question about the Pyle PP555 and is the answer not in the manual?
Highlights the unit's capabilities, including signal conversion and audio quality.
Instructions on powering the PP555 using a 9V battery or a 12-Volt DC adapter.
Proper connection of the ground wire to prevent humming noise.
Connecting the pre-amp output to an amplifier via RCA or 1/4" jack.