HQRP AC Adapter for Alesis P3 P3X110 fits 3630 Compressor, AI2, AirFX, AirSynth, Akira, Bitrman, MicroVerb 3, MicroVerb 4, Power Supply Cord + HQRP Coaster HQRP&reg; Replacement AC Adapter plus HQRP&reg; Coaster; Input: 120V AC; Output: AC (Alternating Current) 9V, 1.3A; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise; Compatible with Original AC Power Adapter; 1 Year warranty!