Ransanx ZK-AS21 2.1 Channel 220W+350W Mini Amplifier Board Review

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The Ransanx ZK-AS21 mini amplifier board makes a great first impression with its compact design and robust build quality. Setting it up is straightforward, with multiple audio input methods such as AUX, U disk, and USB sound card. The board's high-quality 2.1-channel 220W + 220W + 350W power amplifier delivers strong bass and clear treble.

In terms of performance, the ZK-AS21 delivers high-quality sound with its enlarged TPA3255 package pad for improved heat dissipation. The dedicated digital amplifier inductors provide high current and low magnetic loss. While it has its pros, such as high power output and multiple protection mechanisms, the value assessment depends on the user's specific needs and budget. Overall, it's a great option for DIY speakers and home audio systems.

00:00 - Introduction to Ransanx ZK-AS21
01:30 - Unboxing and Setup
03:15 - Features and Specifications
05:00 - Performance and Sound Quality
07:30 - Protection Mechanisms and Safety Features
10:00 - Conclusion and Recommendation

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