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All specifications are subject to change without notice.
www.earthquakesound.com
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EQ-4000BT FRONT PANEL OVERVIEW
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FADER
Use this rotary knob to blend more action into either the
Front or Rear channels of the system.
VOLUME Control
Push in once to eject button then rotate to adjust volume.
AUX/MAIN Selector
Push button to switch between the MAIN input and AUX
input. Note that the EQ-4000BT has both front mounted
and back mounted auxiliary inputs. If the front mounted
auxiliary input is in use (when an audio source is plugged
in through the front 3.5mm jack), the EQ-4000BT will
automatically treat that audio source as the MAIN input.
BT ON/OFF Switch
®
Push button to switch turn on or off the Bluetooth feature
of the EQ-4000BT. To connect your device to the EQ-
®
4000BT, pop the BT button, enable the Bluetooth of your
device and pair to the EQ-4000BT. You can then
wirelessly play music from your device. If you want to
switch back to the MAIN/AUX input, push the BT button in
®
and the Bluetooth feature will be disabled.
SUB GAIN & SUB FREQ Controls
Gives you complete control of low musical frequency
ranges. The Sub knob is equal to level control. It allows
you to adjust subwoofer sound levels for a particular
source type: Tape, broadcast, CD, etc.
The subwoofer frequency crossover control allows you to
adjust the cross over point for your subwoofer system.
The EQ-4000BT features separate dual RCA outputs for
the subwoofer channel, so that the subwoofer(s) can run
on a separate amplifier or separate channels of a multi-
channel amplifier. The crossover is adjustable from 35Hz
to 100Hz. Depending on the subwoofer frequency
response, adjust this knob to the most desired setting.
4-BAND Controls
Gives you control of the higher musical
frequency ranges
that most head units cannot accomplish.
AUX IN
This unique feature is for easy iPod and MP3 hook up.
Simply plug-n-play. Once this connection has been made,
it will override the MAIN input plugged into the back of the
unit.
BT OFF
BT ON
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