Multiple sets of inputs and outputs: With 3 groups of RCA and 1 group of XLR inputs, can be perfectly compatible with most audio sources such as Phone, MP3, tablet, TV, computer, CD players etc., 2 groups of RCA and 1 group of XLR outputs, can easily drive home use speakers, also supports to connect the active subwoofer. Repalceable tube design: Default pluggable 3PCS Soviet 6H1N and 1PC Shuguang 6Z5P tubes, can effectively filter digital sound, reduce noise, and improve dynamics. Also designed with a filament voltage switcher to support 6.3V and 5V rectifier tubes, 6.3V and 12.6V signal tubes, allowing you to replace and upgrade the tubes for more perfect sound. HiFi components: Using a 150W high-power circular transformer to provide sufficient redundant electrical flow, zero negative fee.
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