How to request advice:>Location (since pricing and availability may vary)>Budget>What exactly you're looking for (be as detailed as possible)>Previous gear and your thoughts on it>Open back wired headphones• Hifiman HE400se• Sennheiser HD 560S• Sennheiser HD 6XX (US)• FiiO FT1 Pro>Closed back wired headphones• Shure SRH440A/SRH840A• AKG K361/K371• FiiO FT1>Wireless Bluetooth headphoneshttps://www.rtings.com/headphones/reviews/best/by-feature/wireless-bluetooth>Wireless Gaming headphoneshttps://www.rtings.com/headphones/reviews/best/wireless-gaming-headsets>Cheap Headphone amps• JDS Atom2• Schiit Modi 5• Apos Gremlin>EQ/DSP software• Equalizer APO (Windows)• EasyEffects (Linux)• SoundSource (Mac)• Wavelet / RootlessJamesDSP (Android)• PEQdb (browser)>EQ/DSP hardware• Qudelix 5K• Neutron DAC V1• miniDSP>Useful resourceshttps://xiph.org/video/https://harmanhowtolisten.blogspot.com/https://www.audiosciencereview.com/forum/index.phphttps://superbestaudiofriends.org/index.phphttps://diyaudioheaven.wordpress.com/https://www.erinsaudiocorner.com/https://peqdb.com/