FiiO M15 5.15inch 64G Android Hi-Res MP3/MP4 Music Player Dual AK4499EQ with HiFi Bluetooth CRS8675 5.0/aptX HD/LDAC/USB DAC/DSD512/MQA,WiFi/Spotify/Tidal/Amazon Music Support https://www.amazon.com/dp/B083KF1NWL/ref=cm_sw_r_cp_api_i_oeGjEbHGXCQSQ
4.4mm jack, EQ that works, Lighter, bigger battery for longer run-time with the same 4499 chips at less than half the price of SP2000..Very tempting..