Package : YesChannels : 2 (2.0)Model Number : 6A2 tubeMaximum Power Per Channel : NO POWER Name : AiyimaOrigin : Mainland ChinaCertification : NONEType : tube amplifier6A2 tube Vacuum Tubes.Replacement for 7pin 56546K46AK56AK5W6Zh1P6J16J1P tubes. It can directly replace WE403A403BEF95 and ordinary 5654. And can be used for the device that comes with 6J26J36J46J56K5 as a replacement.These 6A2 tubes show you the difference in natural voice reproduction and simple musical. They sound more clear with an emphasis on clarity, larger soundstage, and bass response is more noticeable. Hear the difference, enjoy your music.High reliability and stability. HiFi and soft sound, low noise.It is fuller, wider soundstage. The treble is smoother and bass is clearer and more pronounced while more complex music was more defined.NoteReplacing the wrong type of tube may damage your amplifier or preamp. If you are not sure this 6A2 can be used as a replacement for your audio device, please check with your amplifier or preamp manufacturer.Package included:1 Pair 6A2 Vacuum Tube