00:41
2000w Amplifier
01:27
600w amplifier checking
00:36
Dj song Compitation
01:31
4*12 speaker box sound checking
01:04
1000 Watts Power Amplifier Service
01:46
8*12 Speaker Box Audio Testing
01:05
6*12 speaker Box Bass Testing
01:37
4*12 Speaker box sound testing
00:18
1500watts, 2500watts
00:16
2.1 Amplifier
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AUDIO SYSTEMS TECHNOLOGY
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