Amazon.com: HQRP 9V AC Adapter / 9-Volt Adaptor Compatible with Jim Dunlop MXR Dyna Comp Compressor M102 / Super Comp Compressor M132 Guitar Effects Pedals, Power Supply Cord Plus HQRP Euro Plug
Amazon.com: MXR M102 Dyna Comp Compressor Pedal Bundle with 9V Power Supply : Musical Instruments