Repeat after me, “I will not allow pre-out / main-in to ruin the sound of my system!” Most receivers with pre-out/main-in use metal pins to complete the circuit. Replacing them with the AudioQuest Preamp Jumper will reduce distortion across this bridge, giving you the clean and clear sound you want.
WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov