a DC12V/1A jack
Use this jack to connect the AC adaptor (sold separately) (⇒).
b LINE OUT (MONO) jack
Use this jack to output audio to a connected audio device (such as a powered speaker or a mixer) (⇒).
c [SPEAKER(ON/OFF)] switch
Use this switch to enable/disable the speaker output of this unit when an external audio equipment is connected to the LINE OUT (MONO) jack (⇒).
d PHONES jack
Use this jack to connect a set of stereo headphones (⇒).
e MIDI OUT port
Use this port to transmit MIDI data to a connected MIDI device (⇒).
f Strap button mounting holes
Use these holes to mount the strap buttons (sold separately) for attaching a commercially available guitar strap (⇒).