SMSL Audio P1 Power Supply Packing lists: Linear Power Supply x 1 AC Cable x 1 Wiring Cable x 2 User Manual x 1 SMSL P1 linear power supply design for SMSL decoder and headphone amplifier Adapted M8 / V2 / VA2 / Sanskrit / SD-793II / SD-192 and other equipment P1 linear power supply is to M8 VA2 suit or V2 and other models for debugging in order to better match M8 VA2