Functions:
Input Mode Switches
The EMA4720 hosts two convenient working modes. When the switch’s position is set as
below, the unit can work as a 2 channel amplifier or a 4 channel amplifier
Front/Rear X-Over
The EMA4720 supplies 3 fixed crossover frequency settings (HPF) through every four-way
switch for front channel and reach channel. Switch the position and the related crossover
frequency as the drawing below.
Low (RCA) High Level Input
The amplifier is equipped with two types of inputs through a water proof cable with MOLEX
connectors. You can choose to connect two different ways, RCA cable or high input cable to
get RCA input or high input.
Front/Rear Sensitivity Control
Two Controls in the end panel can supply an independent level control for reach channel and
front channel
Water Proof Rubber Cover Mounting Hole
Place the outstanding stick into the mounting hole. The rubber cover can be affixed to the
panel to cover all the switches and holes thereby resulting it suitable for waterproof use
PWR/PRT Indicator
The light is dual color LED indicator for power and protection indicator
Power Indicator: Blue, when the unit is powered on
Protection Indicator: Red, When the unit goes into protect mode
Power Input Cable
A three wired cable with three pin connectors in a black cable strain holder
1. Yellow: +12V
2. Black: Ground
3. Blue: Remote In
Speaker Output Cable
An eight wire cable with eight pin connectors in a black cable strain holder
1: White: Front Output Left –
2: White/Black: Front Output Left +
3: Gray: Front Output Right +
4: Gray/Black: Front Output Right -
5: Green: Rear Output Left –
6: Green/Black: Rear Output Left +
7: Violet: Rear Output Right +
8: Violet/Black: Rear Output Right -
1.
2.
3.
4.
5.
6.
7.
8.
PP
W
W RR
PP
RR TT
8
6
7
SS EE N
N SS
RR EE AA RR
SS EE N
N SS
FF RR O
O N
N TT
XX -- O
O
VV
EE RR
M
M O
O D
D EE
XX -- O
O
VV
EE RR
M
M IIN
N
M
M AA XX
RR EE AA RR
FF RR O
O N
N TT
M
M IIN
N M
M AA XX
IIN
N
PP
U
U TT
3
4
4
2
2
1
5
EEA720.4
