Page 6
7
10
7
10
Connections
NEIM1031
Overload
Output Level
Input Level
Line Out Level
Noise Eliminating In-Line Module
4
2
3
1
Power
5
6
Off
On
OK
2
1
3
4
5
6
Out
Audio
Headphone Socket
Noise Cancellation
9
8
Filter Level
On
bhi
0=MIN
9
8
7=MAX
12-24VDC Input
Input Selector
+
-
Audio
Line
In
Line
Audio In
Line In
Audio out
Line out
3.2
Connector Layout.
DC Power
Supply
Headphones
(or extension speaker)
Line out:
Phono socket
Low level audio out. For connection to
an amplifier, recorder, or any other line
level device.
Top View
Page 19
7.
Specifications.
Noise attenuation:
9 - 35dB
Noise attenuation levels
8
Level
Attenuation
1
9dB
2
11dB
3
13dB
4
15dB
5
17dB
6
20dB
7
24dB
8
35dB
Tone rejection
65dB max
Audio output power
2.7W RMS max.
Audio bandwidth
50Hz - 4.6KHz (-3dB)
Audio connections:
Line level in/out
RCA phono
Audio in/out
3.5mm mono jack
Line input impedance
10K
Line output impedance
100R
Line in sensitivity
300mV - 2V rms
Headphone socket
3.5mm mono jack
Headphone power
2.5W rms max.
