My customized NES. Nothin' fancy: these are purely functional customizations.
I've added 4 RCA jacks to the back, 1 video, 3 audio (pulses, dpcm/noise/tri, and powerpak expansion). The video out is just for the convenience of having all of the connectors on the back since it just doubles the existing video output.
The switch controls how the PowerPak's expansion channel is routed: up means the audio is routed to it's own output, middle means it's disconnected completely (which is more useful than you'd think, I've noticed that the PowerPak sometimes generates noise when it's not utilizing any expansion audio), and down means it's mixed in with the regular hardware output in which case the regular mixed hardware output is sent to the expansion output jack. The potentiometer controls the level of the expansion channel when it's mixed in.
The stickers are remnants of the NES's previous owner. I was going to remove them, but then I one night I noticed this:
