If ad is up it is available. Used - Hosa FSC-385 Dual Latching Guitar Amp Amplifier Footswitch TRS 1/4". Works with most amps that use a TRS foot switch jack. I can confirm it works with a Marshall DSL40CR, Blackstar ID Core 40 & Blackstar Debut 50R.
- Guitar-style, Dual-latching
- Sturdy, extruded aluminum chassis makes it strong enough to withstand the rigors of the road
- Simply connect a 1/4 in TRS cable from the footswitch to the unit you wish to control, and you’re set
- Designed for guitar amp channel switching, signal processor on-off switching, and similar electronic device functions