0.3 V RMS EFFECTS RETURN: Impedance: High Z, 22K ohms Designed Input Level: -10 dBV, 0.3 V RMS (Switching jack providing effects send to effects return connection when not used) HEADPHONE OUTPUT: Load Impedance: 4 ohms or greater Nominal Power Output: 100 mW into 4 ohms (Stereo jack, monaural signal, disconnects internal speaker when phone plug is inserted) SYSTEM HUM & NOISE @ NOMINAL INPUT LEVEL: (20 Hz to 20 kHz unweighted) 72 dB below rated power EQUALIZATION: Special Low, Mid & High passive-type EQ Automatic thick EQ when lead channel selected Push Bright: +6 dB @ 2 kHz EXTERNAL FOOTSWITCH FUNCTION: Reverb defeat (When reverb control raised) Lead Channel defeat (When selected with button) DANGER EXPOSURE TO EXTREMELY HIGH NOlSE LEVELS MAY CAUSE A PERMANENT HEARING LOSS INDIVIDUALS VARY CONSIDERABLY IN SUSCEPTIBILITY TO NOISE INOUCED HEARING LOSS. BUT NEARLY EVERYONE WILL LOSE SOME HEARING IF EXPOSED TO SUFFICIENTLY INTENSE NOISE FOR A SUFFICIENT TIME THE U S GOVERNMENT S OCCUPATIONAL SAFETY ANO HEALTH ADMINISTRATION (OSHAl HAS SPECIFIEO THE FOLLOWING PERMISSIBLE NOISE LEVEL EXPOSURES DURATION PER DAY IN HOURS SOUND LEVEL