Did I do good? Looking for a economical solution to get into tube amps for my headphones so I'm considering ordering a (and swapping the tubes) Nobsound NS-08E: : r/headphones
Nobsound NS-08E Mini Tube Headphone Amplifier | eBay
Nobsound NS-08E Vacuum Tube Integrated Amplifier Mini Audio HiFi Stereo Headphone Amp on OnBuy