This video tests the power output of the Wuzhi ZK-1002 amplifier board, a two-channel 100-watt device, under two conditions: high-power supply and simulated notebook power supply (18V). The speaker assesses the amplifier's performance, efficiency, and heating characteristics in each scenario.
The final conclusions of the video are that while the amplifier didn't reach its advertised 100 watts of power output under test conditions (reaching approximately 75 watts with a 26V supply and 35 watts with a simulated 18V notebook supply), the speaker considers the results reasonably satisfactory. The speaker notes significant heating of the components, particularly the inductors and heatsink, as an area of concern, and recommends a more powerful power supply (at least 150W, preferably 200W) for optimal and safer operation. A future video will detail the speaker's long-term usage experience with the amplifier.
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