Input Impedance / Buffer Switch On: 800 kO
Output Impedance / Buffer Switch Off: 10 kO
Output Impedance @ 1 KHz, Maximum Volume: ~16 K ohm
Output Impedance @ 1 KHz, -6dB Volume: ~120 K ohm
Maximum Output Level: -4 dBV
Maximum Gain @ 1 KHz, Volume and Fuzz: Max 55 dB typ
Bypass: True Hardwire
Power Requirements: The MXR Classic 108 Fuzz is powered by the included Dunlop ECB003 9-volt adapter or the DC Brick and Iso-Brick power supplies.