resistor

I have a MONO LINE LEVEL OUTPUT and I want to share it with 2 devices (which will received the LINE LEVEL OUTPUT and use it for whatever reason). In one of those devices I need to use a 10K potentiometer in order to control the signal level that goes to one of those devices. See my drawing...

I have a Massdrop Airist R2R DAC in perfect working order. It has no known issues and sounds amazing. I am asking $400 with Paypal F&F buyer pays shipping or $450 I pay shipping and Paypal Goods and Services.

Since it is often claimed here in the forum that replacing cheap sand-cast resistors with low-inductance resistors would lead to clearly audible improvements, and since it's no use pointing out that the sound change (unless it's completely imagined) is very likely due to slight deviations in the...