Mini Audio Amplifier
3
2.2 Rear Panel
Figure 2- 2 Rear Panel of MP-A250B
No. Name
Description
①
CONTROL
TCP/IP
: (optional) connect with control device to enable IP
control via web-based GUI& TCP/IP communication
software;
Indicators will blink when connected to control device
and communicated normally
RS232
: connect with control device to enable serial control
IR IN
: connect with IR receiver to collect infrade signal
Channel Switcher
: dial to STEREO or MONO to enable
corresponding output mode
②
INPUTS
Audio inputs area, 3 audio inputs in total, including 1 stereo
audio, 1 analog audio and 1 optical audio
③
OUTPUTS
LOOP
: analog audio loop output port, available only when input
signal is L+R stereo audio
Audio Output
: including stereo audio (2x50W@8
Ω
), or mono
output (1x100W@4
Ω
)
④
DC 33V
Insert DC 33V 4A power adapter here
⑤
GND
Connect to grounding
Dial the Channel Switcher to demand status before connecting output device.
Once connected, do not try to change the status while it’s working.
LOOP
3
1
DC 33V
IR IN
RS232
Tx
Rx
AUDIO
OPTICAL
L
R
2
TCP/IP
2x50W 8
@
Ω
1x100W
4
@
STEREO
MONO
