4-Channel Amplifier
NAU460
7
LEVEL
6V
6V
.
2V
FILTER
HIGH
LOW FLAT
HIGH
LOW FLAT
40Hz
250Hz
0dB
6dB
40Hz
250Hz
0dB
6dB
DIAGNOSTICS
POWER
PROTECT
FREQUENCY
BASS
EQ
LINE
INPUT
.
2V
CHANNELS 1 & 2
CHANNELS 3 & 4
CH-1
CH-2
CH-1
CH-2
CH-3
CH-4
2-CH
4-CH
MODE
LINE
OUTPUT
L
E
V
E
L
6
V
6
V
.
2
V
F
IL
T
E
R
H
IG
H
L
O
W
F
L
A
T
H
IG
H
L
O
W
F
L
A
T
4
0
H
z
2
5
0
H
z
0
d
B
6
d
B
4
0
H
z
2
5
0
H
z
0
d
B
6
d
B
D
IA
G
N
O
S
T
IC
S
P
O
W
E
R
P
R
O
T
E
C
T
F
R
E
Q
U
E
N
C
Y
B
A
S
S
E
Q
L
IN
E
IN
P
U
T
.
2
V
C
H
A
N
N
E
L
S
1
&
2
C
H
A
N
N
E
L
S
3
&
4
C
H
-1
C
H
-2
C
H
-1
C
H
-2
C
H
-3
C
H
-4
2
-C
H
4
-C
H
M
O
D
E
L
IN
E
O
U
T
P
U
T
L
E
V
E
L
6
V
6
V
.
2
V
F
IL
T
E
R
H
IG
H
L
O
W
F
L
A
T
H
IG
H
L
O
W
F
L
A
T
4
0
H
z
2
5
0
H
z
0
d
B
6
d
B
4
0
H
z
2
5
0
H
z
0
d
B
6
d
B
D
IA
G
N
O
S
T
IC
S
P
O
W
E
R
P
R
O
T
E
C
T
F
R
E
Q
U
E
N
C
Y
B
A
S
S
E
Q
L
IN
E
IN
P
U
T
.
2
V
C
H
A
N
N
E
L
S
1
&
2
C
H
A
N
N
E
L
S
3
&
4
C
H
-1
C
H
-2
C
H
-1
C
H
-2
C
H
-3
C
H
-4
2
-C
H
4
-C
H
M
O
D
E
L
IN
E
O
U
T
P
U
T
NAU460
Nautic
FILTER
FILTER
FILTER
FLAT
FLAT
FILTER
FILTER
FILTER
FILTER & FREQUENCY
FLAT
LOW
Features:
- PROTECTION and POWER LED indicators
- BASS EQ: 45Hz bass boost from 0dB to 6dB
- FREQUENCY: Variable based on FILTER selection
- In LOW the FREQUENCY is variable from 40Hz to 250Hz
- In HIGH the FREQUENCY is variable from 250Hz to 4KHz
- FILTER:
- LOW: Selects built in LOW PASS filter
- FLAT: Bypasses all crossovers for full frequency range operation
- HIGH: Selects built in HIGH PASS filter
- Input LEVEL sensitivities are variable from 0.2volts to 6volts
- Capable of 4ohms or 2ohms operation per channel, or 4ohms mono
NAUTIC
NAUTIC
