Bose ToneMatch Digital Cable
Connect your Bose ToneMatch digital mixer to your Bose L1 Pro, L1 Model II, or L1 Model 1S. This Bose cable delivers power and multi-channel digital audio.
Bose ToneMatch Audio Engine/Mixer Power Supply
Power your Bose T4S ToneMatch with this cable. It's a must if you're running your T4S as a standalone mixer/interface, or with any PA with no ToneMatch port.