YAMAHA Yamaha Personal Studio Silent Brass ST7 Pickup Mute PM7 I am selling this because I rarely use it, which is a waste. I have forgotten when and how much I purchased it for, Please check the condition and accessories in the photos. *The stereo earphones are missing. Battery & AC adapter power-on check confirmed. Operation with speakers connected has also been confirmed. Please check the specifications in photo 17. This is a used item, Please refrain from purchasing if you are looking for a new item or are very sensitive to condition. Thank you. H03-03YT