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Control elements
Right speaker
1
Volume
2
TONE
3
Mic
4
Phones
5
Mic Out
6
To Left Speaker
7
DC 17 V
8
Audio In
9
1
2
3
4
Volume control
Sound control
Microphone input jack
Earphone jack
Microphone output jack
Connector jack for the left speaker
2.3 A
Input jack for the mains adapter
Audio input jack
Connector cable for the right speaker
Left speaker
• Concept B 20 Mk2
5
6
7
8
9
7
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