Alesis Quadraverb GT Guitar Effects Processor – Pixel Pro Audio
Amazon.com: HQRP 9V AC Adapter Compatible with Alesis P4 AC09 25D 4-pin DIN Connector 9V AC Power Supply Replacement QSR DMPro Drum Machine MIDI Data Disk Quadraverb GT Quadraverb Quadraverb 2 S4,
Alesis GT Electronics
Alesis Quadraverb GT Guitar Effects Rack Unit with Shadows Patches | Reverb