Tokyo Sound Headphone Amplifier ValveX LB, Black Limited Edition - Model Name: ValveX LB Dimensions: Height: 17.00 cm Width: 23.90 cm Depth: 31.30 cm Weight: 3.76 kg Purchased new and used for approximately 30 hours. When increasing the volume from 0, sound starts to be heard from the left side, and it becomes unnoticeable as the volume is increased further. There is no scratchiness in the volume control. There seems to be no noise at the moment. Only the items in the photos are included; there is no box. Thank you for viewing.