||9V adapter, 9V battery
Abunai 2 is modified based on the classic overdrive pedal. It is a pedal that allows different drive of characters to be used properly by 3-way switch.
The 3-way clipping section is
On the left side (symmetrical), compared with other sections "Amp sound like" you get the most gain and compression "
On the right side (asymmetric), output is boosted and classic overdrive sound,
In the middle (off), the diodes used for distortion are turned off on the left and right, the sound is amplified straight (3 way most output up) in range
By the way, "Abunai" is said to be the name of a dog keeping it.