beyerdynamic DT770PRO 250ohm *3
beyerdynamic DT700 PRO X
beyerdynamic DT1990 PRO
DENON AH-D9200
HiFiMAN HE400se (직접개조)
HiFiMAN SUNDARA
SONY MDR-MV1
SONY MDR-V700 *3 (소장)
AudioTechnica ATH-M50
AudioTechnica DSR7BT
AKG N5005 *2
Sennheiser IE900
SONY IER-M9
SONY XBA-3 (연구중)
SONY XBA-30 (소장)
SONY XBA-300
Apple Airpod Pro 2nd
Samsung Galaxy Buds 2 Pro
NiceHCK HIMALAYA
iFi hip-dac
iFi micro iDSD Signature
Qudelix 5k
FiiO Q1 Mark II (직접개조)