9V Negative Polarity AC-DC Adaptor for Digitech Whammy IV Effects Pedal
RockPower Power Supply Adapter NT 21 EU – Thomann UK
Digitech Whammy 4 IV 9 Volt 9V 1500mA 1.5A Replacement AC Adapter Power Supply | Reverb
UPBRIGHT NEW 9V AC / AC Adapter For DigiTech Whammy Pedal I / Whammy Pedal II / Whammy 4 Guitar multi effects pedals 9VAC Power Supply Cord Cable PS Wall Home Charger
HQRP AC Adapter for DigiTech Vocalist Live 2 / Vocalist Live 3 / Vocalist Live 3D, Whammy 4 Guitar multi effects pedals, Power Supply Cord + HQRP Coaster - Newegg.com