I haven't used these at all in a while, so there's no point in keeping them. I am offering two amps as a package- one for portable use and one for desk use. They are both great performers. Also included are extra tubes for the desktop amp.\n\nFiio portable, rechargeable headphone amp (7\/10 condition because I used it for walking\/exercising when I had a crappy phone):\n\nhttps:\/\/www.amazon.com\/gp\/product\/B00Z9BIODA\/ref=s9_acsd_hps_bw_c_x_1_w\n\nBravo V2 hybrid headphone amp (9\/10 condition):\n\nhttps:\/\/www.amazon.com\/Bravo-Audio-V2-Multi-Hybrid-Headphone\/dp\/B00ADR2DTG\/ref=lp_6796515011_1_1?srs=6796515011&ie=UTF8&qid=1531598261&sr=8-1\n\nGold Lion 12AU7 tube (currently installed in the V2):\n\nhttps:\/\/www.amazon.com\/Genalex-Gold-Lion-12AU7-Tube\/dp\/B00D0E8EFQ\n\nGroove Tube 12AU7 tube:\n\nhttps:\/\/www.amazon.com\/gp\/product\/B001OSW9LA\/ref=s9_dcacsd_dcoop_bw_c_x_4_w\n\nI liked switching tubes in the V2 to hear different changes in the sound. My favorite was the Gold Lion. The stock tube is in the Gold Lion box. It's sterile sounding, to say the least. I also have a couple 1\/4 to 1\/2 adapters and a 1\/8 to 1\/8 cable.\n\n\nAsking $120 for the set, shipped and insured within continental 48 states. Taking Paypal for payment unless you're local (Virginia, 23608) and can buy in person. I will eat the Paypal fees. Not selling any individual components. You can reply to this thread or PM me. I will get back with you as quickly as possible.\n\nThanks for looking!