Amazon.com: AC Power Adapter Replacement for Audio-Technica ATW-R3100b, ATW-R3100bD, ATW-R3100bC Receiver for Wireless Microphone System : Electronics
PwrOn New AC DC Adapter For Audio Technica 3000 Series UHF Handheld Wireless Microphone System ATW-R3100B ATW-R3100C ATW-R3100D ATW-R3100BC ATW-R3100BD ATW-R3100BL Power Supply Wall Home Charger - Newegg.com
3000 Series (Third Generation) - Frequency-agile True Diversity UHF Wireless Systems | Audio-Technica
Audio-Technica ATW-R3100b 541-566 Mhz Wireless Receiver Black with Power Supply | eBay