Carl Martin Octa-Switch MKIII

Octa-Switch MK3 has stereo outputs as well as the stereo return on Loop 8.
True and Buffered Bypass Functionality
2 External switches for switching the amp channels (programmable via DIPs)
8 switch On/Off True Bypass .
1switch Power On/Off
2 x 9 Volt batteries or 9 V DC power supply (not included)