McIntosh MCC404/MCC404M manual Top Panel Controls, Display and Switches, CH 3-4 Sensitivity

CH 3/4 LOW PASS Filter Switch and Con- trol selects the high roll-off frequency or flat frequency response

CH 3/4 MODE Switch selects STEREO or BRIDGE mode of operation

POWER GUARD LED lights when the Power Guard Circuit acti- vates for Am- plifier Channels 1 or 2

METER indicates Channels 1 and 2 Power Output

CH 3/4 HIGH PASS Filter Switch and Control select the low frequency roll-off rate or flat frequency re- sponse

POWER GUARD LED lights when the Power Guard Circuit activates for Amplifier Channels 3 or 4

INPUT

SOURCE Switch for Channels 3&4 selects either CHs 1&2, 3&4 or

Subwoofer

(Sum of CHs 1, 2, 3, & 4)

METER indicates Channels 3 and 4 Power Output

CH 1/2 MODE Switch selects STEREO or BRIDGE mode of operation

CH 1/2 LOW PASS Filter Switch and Control select the high roll-off frequency response

CH 1/2 HIGH PASS Filter Switch and Control select the low roll-off frequency response

CH 1/2 EQUALIZER Con- trols select the Frequency and the Level of Boost or Cut at the center frequencies

CH 1-2 SENSITIVITY Individual Input Sensitivity Controls for Channels 1 and 2