You can try E-chun. They were my supplier until the USA slapped the 25% China tariff. I believe that’s what Smart Guys were selling.
Their models are:
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50A - ECS1050-L59E 50A/50mA with TVS diodes, 3.5mm jack
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100A - ECS16100-L59H 100A/50mA with TVS diodes, 3.5mm jack