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.
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.