BLACKSTAR FS-4 LATCHING FOOTSWITCH

The FS-4 operates;
HT-5R
HT-5RH
HT Studio 20
HT Studio 20H
HT Metal 5
HT Metal 5H
Artist 15

HT-Stage 60/100;
In addition to the FS-7, this switches the OD 2 voicing independently.

HT Metal 60/100;
In addition to the FS-7, this applies a footswitchable volume boost across all 3 channels.

This will not operate 10th Anniversary combos, please see 'FS-4S'.