Patch Kommander

Programmable Effect Looper

With 4 independent relay-based true-bypass audio loops
12 Memory slots
Switchable buffer at the entrance to avoid height loss
Tuner Mute function with independent tuner output
SW A / B function for switching the amplifier
Aluminum chassis
Switch: Buffer On / Off
LED: Mode or Bank / Patch - Buffer
Footswitch: 6 low noise footswitches
Connections: Input - Tuner out - 4 x Send & Return - A / B SW - Output (all 6.3 mm jack) - Power supply connection (coaxial socket 5.5 x 2.1 mm - negative pole inside)
Power consumption: 150 mA
Power supply via 9 V DC power supply (2.1 mm x 5.5 mm hollow plug, polarity (-) inside, not included in delivery, suitable power supply available under Art. 409939), no battery operation possible
True bypass
Dimensions (W x D x H): 403 x 56 x 48 mm

http://www.hotoneaudio.com/products/Controller/Loop_Switcher/2017/0911/239.html