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2x 20W Class-D Audio Amplifier
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PT-AA220

2x 20W Class-D Audio Amplifier

The PT-AA220 is a compact digital amplifier featuring Class-D amplification, providing either 2x 20W stereo output at 4Ω or a bridged 40W mono output at 8Ω, selectable via bridge connection. It offers two analogue …

ManualControl (TCP/IP)FAQSpecificationsDatasheetCE declaration ↗

Available control interfaces. Expand an active type to see the full command table.

RS232 Commands22 commandsActive
ConnectionCommunication Protocol: RS232 Communication Protocol Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none↓ CSV

Source: manual, chapter System Operation, page 15

CommandDescriptionExampleResponse
1A1.Switching the audio to input 1A: 1 -> 1
2A1.Switching the audio to input 2A: 2 -> 1
0A0.Mute Audio of MIC and Line outMute
1A0.Mute audio of MICMute MIC
2A0.Mute audio of line outMute LIN
0A1.Unmute AudioUnmute
3A0.Switch on Noise GateGate On
4A0.Switch off Noise GateGate Off
600%Checking the working status600%A: 1 -> 1 Volume: 30 Bass: 00 Treble: 00
601%MIC volume upVolume of MIC: 51
602%MIC volume downVolume of MIC: 51
603%Line volume up603%Volume of LINE: 51
604%Line volume downVolume of LINE: 51
605%Bass level upBass of LINE: 04
606%Bass level downBass of LINE: 04
607%Treble level upTreble of LINE: 04
608%Treble level downTreble of LINE: 04
609%Initialization, back to the default settingInit OK
5[x][x]%Preset MIC volume, [xx] arranges from [00] to [60]. 61 degrees in total.521%Volume of MIC: 50
7[x][x]%Preset line volume, [xx] arranges from [00] to [60]. 61 degrees in total.Volume of LINE: 50
8[x][x]%Preset the bass level, [xx] arranges from [00] to [08]. 9 degrees in total.Bass of LINE: 04
9[x][x]%Preset the treble level, [xx] arranges from [00] to [08]. 9 degrees in total.Treble of LINE: 04
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