Stereo Y-cable
This Y-cable has a stereo 1/4" plug on one end and two mono 1/4" plugs on the other, allowing two signals to be routed to two separate amps or channels.
L.R. Baggs Control-X Mixer/Preamp
The Baggs Ctrl-X combines passive magnetic guitar pickup output with the signal from the X-Bridge or T-Bridge or other piezo loaded electric guitar bridges.