You’ll need two cables to The original T1 Tonematch mixer will need two cables – an audio cable, and an ethernet cable (or Tonematch power supply).
The L1 Pro8, Pro16, or Pro32 can power the T1 Tonematch mixer via the ethernet cable. However, unlike the L1 Model II or L1s, there is no audio transferred via this ethernet connection.
- Power up your T1 via the Tonematch power supply, or an ethernet cable connected to the L1 Pro Tonematch port
- Run a 6.3mm TRS (stereo) cable from the T1 master out, into Ch3 on the L1 Pro.
Read the full article at the Bose Portable PA Encyclopedia FAQ and Wiki