Amazon.com: NUX Optima Air Dual-Switch Acoustic Guitar Simulator with Preamp, EQ, Reverb and IR Capture NAI-5 Verdugo Series Effects Pedal with Tonebird Cable, Tonebird 1500 mA Power Supply, Tool, Bundle NAI5 :
FS-60A BS Acoustic foot switch - bsacoustic.com
Sound/Voice Activated Switch | Enabling Devices
NUX Optima Air Acoustic Guitar Pedal - Andertons Music Co.