Harley Benton HB-80R User Manual page 19

23 IEC chassis plug with fuse holder.
Find technical data on spare fuses and power supply below or next to the fuse holder.
24 [FOOT SWITCH]
Footswitch jack (6.35 mm phone socket).
25 [LOUDSPEAKER]
Output jack for connecting an external speaker box (6.35 mm phone socket).
26 [FX SEND | RETURN]
In and output jacks for looping in an effects unit (6.35 mm jack sockets).
Connections and operating elements
HB-80R
19