Ignitron - Wireless Footswitch for the Spark amp - Link to project in comments : r/diypedals
Amazon.com: Positive Grid Spark Control Wireless Guitar Footswitch Pedal/ Controller for Spark Guitar Amplifier and Mobile App with Backing Tracks : Musical Instruments
Positive Grid Reveals Surprise Spark Amp Gear Drop – MusicPlayers.com
Amazon.com: Positive Grid Spark Control Wireless Guitar Footswitch Pedal/ Controller for Spark Guitar Amplifier and Mobile App with Backing Tracks : Musical Instruments
Is The Spark Amp Worth It? My Thoughts After 2+ Years...
Positive Grid Spark review | Guitar World
Read Positive Grid Spark 40 Online
General Overview – Help Center
TinderBox Pedal - a DIY Tone Switching Footpedal for Spark 40 Amp by Positive Grid - YouTube