I bought an inexpensive tabletop mixer, but I ended up using an AG03mk2 instead, so I no longer need this one. I will ship it in its original box. There are no issues with the sound output. I used it continuously, so it wasn't too inconvenient, but this model doesn't have a power switch on the unit itself. You need to unplug it or use a power strip with a switch to turn it off. I put the RCA terminal caps on myself. I will include them. [Included Items] ・Main unit ・AC adapter ・Power cable ・Instruction manual (also includes a Japanese version created by Soundhouse) ・Box