WE ARE PLEASED TO OFFER FOR AUCTION BUY IT NOW THE ONLY NOBSOUND NS-01E MINI AUDIO PREAMP (PURPLE) WHICH IS THE WORLDS SMALLEST HI-FI STEREO TUBE HEADPHONE AMPLIFIER
BRAND NEW-UNUSED IN FACTORY SEALED BOX.
Nobsound NS-01E Mini Tube Headphone Amplifier Stereo HiFi Amp Audio Preamp (Purple)