User Manual
PT-AA220
3
2.
System Connection
2.1.
Audio Output
2.1.1.
Default Output: 2x20Watt@4Ohm
The default output of amplifier is 2x20Watt@4Ohm, so user can connect the
amplifier output in the regular way. As the picture below:
Speaker
OUTPUTS
LOOP
1x40Watt
8
@
Ω
2x20Watt
4
@
Ω
RS232
Tx
Rx
IR
STEREO
BRIDGE
MONO
L
R
MIC
LINE
48V
MIC
1
2
INPUTS
STEREO
BRIDGE
MONO
Speaker
2.1.2.
Bridge Connection: 1x40Watt@8Ohm
The PT-AA220 has the bridge connection, to double the output power at
1x40Watt@8Ohm. It will sum up the input left channel and input right channel to be
mono output, and the power is up to 40Watt.
The bridge connection is:
OUTPUTS
LOOP
1x40Watt
8
@
Ω
2x20Watt
4
@
Ω
RS232
Tx
Rx
IR
STEREO
BRIDGE
MONO
L
R
MIC
LINE
48V
MIC
1
2
INPUTS
Speaker
STEREO
BRIDGE
MONO