Harman JBL Professional BRX300 Series - Page 3

3QUICK START GUIDE
AUDIO INPUTS
There are two audio inputs
on balanced XLR connectors
labelled TOP and SUB. These
provide the audio input signal
to the TOP amplier and SUB
amplier respectively.
AUDIO THRU OUTPUTS
There are two audio THRU
outputs on balanced
XLR connectors that are
connected in parallel to the
audio inputs. These outputs
are unprocessed and are
not buered. They may be
used to daisy-chain multiple
amplier units.
MODE SWITCH
This switch toggles the
amplier between ‘INPUT Y’
and ‘DUAL’ input modes.
In ‘INPUT Y’ mode, the
ampliers receive their Input
ONLY from the connector
labelled ‘TOP’. This signal
drives both the SUB and TOP
outputs.
In ‘DUAL’ mode, a separate
signal is required at the input
labelled ‘SUB’ to drive the
subwoofer (SUB output).
5
6 7
POWER SUPPLY INPUT
This PowerCon connector
provides the mains power
supply to the unit.
POWER BUTTON
Turns the amplier power on
or o.
COOLING VENTS
The vents provide air Flow to
cool the amplier. DO NOT
BLOCK these vents.
AMPLIFIER OUTPUTS
FOR TOPS
There are two 4-pole outputs
for the tops labelled TOP A
and TOP B. Each output may
be used to power up to 2 x
BRX308-LA speakers.
1
2 3 4
AMPLIFIER PANEL OVERVIEW
1
1 2 3 4 5 6 7