Teenage Engineering Textile Audio Cable 3.5 mm - 2x rca (Stereo to RCA Split) Keyboard Synths tracks ~4 octaves-CV input with

tracks ~4 octaves-CV input with reversing-attenuator-voltage-controlled input gain available at the main signal input

and the LED is red

And it works in the most convenient manner too as operation is completely driverless

It's also possible to tap the unprocessed VCO signal from each synth channel

Teenage Engineering Textile Audio Cable 3.5 mm - 2x rca (Stereo to RCA Split) Keyboard Synths tracks ~4 octaves-CV input withaudio split cable insulated in black nylon braid for extra protection and bendy durability. used to connect your synthesizer to a dj mixer or record player to speakers. 3. 5 mm stereo (trs) mini jack to 2x rca cable length: 1200 mm