Mighty Mini 1 Watt Of Gut-Wrenching Power Featuring: Channel Switching, A Battery And A Headphone Jack That Doubles As A Preamp Out, So You Can Rock While You Roll. This Ms-2, Mini Half Stack Has Bags Of Serious Tone And Is Anything But A Toy. It Has Even Been Used In Professional Recording Studios; Placed In A Shoe Box With A Hole Cut For A Microphone. We Kid You Not. The Ms-2 Also Has A Headphone Output For Those Who Want To Rock In Private. This Output Can Also Be Used To Effectively Drive An External Power Amp. Battery Or Mains Powered - 9V Battery Included, Mains Power Adapter Not Included Headphone Jack That Doubles As A Preamp Out Belt Clip Included 6.35Mm Headphone/Input - Play Music Off Ipod/Iphone/Mp3 Etc.! - Cable Not Included Volume And Tone Controls Clean And Overdrive Modes Please Note That Aux Cable, Adapter And Apple Device Are Not Included H 14Cm X W 11Cm X D 6Cm Weight: 0.34 Kg