Tube headphone amplifier X-CAN v3 + matching external power supply X-PSU v3 from the English high-end audio brand Musical Fidelity. The set includes a custom-made high-end interlink to connect the X-CAN and the X-PSU to each other. A high-quality custom-made power supply with quality BLS plug included. The set provides a very nice tube sound if a good pair of headphones is connected to it and provides an absolute mega-upgrade. The manual of the X-CAN v3 is included in the set. Dimensions of both X-CAN v3 as well as X-PSU v3: 18 * 21 * 9 cm (w*d*h). Weight X-CAN v3: 1.8 kg Weight X_PSU v3: 3.1 kg Interlink cable length: 150 cm Power cable length: 100 cm All specifications of this beautiful set can be found on the internet.