how are the denon d2000's not on this list? i find them awesome with all those genres
edit: didnt see price requirement of $150 or under, but really the d2000's are worth the money! (around $200-$250 used) and you can mod them too...
Cans: Audeze LCD XC, LCD2v2, Denon D7200, D2000, HP700, Koss KPH30i, KSC75
IEMS: Dunu DK3001 Pro, DN 2000j, DN 1000, Raptgo Hook X, Penon 10th, Vortex, Moondrop SSP, KZ ZS10 Pro, Blon BL03
Amps: Audio-GD Master 9, SA-31SE, AMB B22, SMSL SH-9, JDS O2 Portable: Hiby R6 2020, Cayin RU6, Lotoo Paw S1, FiiO BTR7, BTR5, Ipod 5.5G
DACs: Audio-GD R2R 7, R1, Ifi Micro IDSD Signature, JDS EL DAC II, ODAC, Yulong DA8 MKII
Sources: Audio-GD DI-20HE 90/98, SOTM sMS-200 Ultra Neo, tX-USBexp, Gustard U16, Uptone ISO Regen, Wyred RUR, NAD 5000