Hosa FSC Series Hosa FSC Series Description: Hosa FSC-384 Single footswitch. One 1/4" Tip-Sleeve (mono) jack requires guitar type cable. Great for changing amp channels. Hosa FSC-385 Dual footswitch. One 1/4" Tip-Ring-Sleeve (stereo) jack requires a stereo / balanced type cable. Get Your Hosa FSC Series Today!