Quick review of the WUZHI HT21 vs AS21
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TEST REVIEW AMPLIFIER ZK HT21 160W X2 220W SUBWOOFER
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Усилитель D класс (2.1) с subwoofer 350 W.
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Ht21 2g + zk amp plate set, diy portable Bluetooth speaker
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ทดสอบแอมป์จิ๋วZK-AS21ด้วยไฟ35Vdc
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Class D vs. Class AB audio amplifiers | Which one sounds better? | Unbiased listening comparison
10:52
Wuzhi Audio ZK-AS21 unboxing and overview. Plus ZK-HT21 update review
9:49
WUZHI ZK-502M 2x50W Amplifier Assembly and Test
1:36:17