KV2 Audio ESP4000 - Manual (Page 8)

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Chapter 3: Features
Front Panel
1 2 3 4 5
1) AC Mains Switch
The ESP4000 has combination AC mains switch/circuit breakers on the front panel. If either of the
switches shuts off during normal use, push it back to the ON position once. If it will not stay on you
should take the unit to qualified service personnel to have it serviced.
2) +Bass Switch
When depressed this switch activates a bass enhancement feature that increases the chosen chan-
nels output by 6dB at 60Hz
3) Limiter Switch
The ESP4000 features RMS limiting on each channel. This feature is active so long as the switch is
left un-pressed. The RMS limiting is deactivated when the switch is depressed.
4) Power On / Thermal
These are dual colour LED’s. When green they indicate that the Power Switch is ON and that chan-
nel of the amplifier is powered up. When red they indicate that that channel has overheated and
shut down. The unit will Auto Reset after it cools down to a safe operating temperature.
5) Signal Present / Limiter Indicator
These are dual colour LED’s. When green they indicate that signal is present at the Input to that
particular channel of the amplifier. When yellow they indicate that the audio limiter has been acti-
vated for that particular channel of the amplifier.