Sennheiser HDVA 600 Audiophile Headphone Amplifier / AMP for sale. As mentioned in the title of my listing - this amplifier is in absolutely immaculate condition. Not a single mark, works flawlessly without hiccups. There is honestly nothing else to add, you are getting a lightly used amplifier which was used in my secondary listening station. I am also selling my HDVD 800 which has seen more use as my primary audio source next to a PC. These units can be used as a regular headphone amplifier, or double up as a headphone / speaker pre-amplifier. As a result this is a very universal device, allowing you flexibility depending on the situation. This amplifier was tested with the following list of headphones: Sennheiser HD800 Sennheiser HD800S Sennehiser HD555 Sennheiser IE900 Sennheiser IE300 Sony MDR-Z7R Sony XBA-N1AP Philips Fidelio X2 Fiio FH5 Fiio FH7, and more... Included in this sale is: Sennehiser HDVA 600 Amplifier. Original Box Original Sennheiser CD Original Paperwork Matching Power Cable Free & Fast Delivery Comes with: Quality red QED RCA cables Power cable Amplifier comes from a smoke free house. Collection is also available. If you have any further questions - please get in touch.