Tascam PSP520 AC  Adapter/Power Supply For Mpgt1 Save money on expensive alkaline batteries Leave it in your studio or rehearsal space or take it with you Color: Black For use with Tascam trainers and pocketstudio Works with Tascam's MPGT1, MPBT1, MPVT1, CDGT2, CDBT2, CDVT2 and DP004