Turns out Performer 8 is 1DD+7BA hybrid. From Hifigo : r/headphones

HiFiGo

LETSHUOER x GIZAUDIO Galileo 1DD+1BA IEMs In-Ear Monitor Earphones Dual-Driver Hybrid HiFi Headphone Starry Sky Panels HiFiGO - AliExpress

Turns out Performer 8 is 1DD+7BA hybrid. From Hifigo : r/headphones

Earphones, Audio Players, Headphones AMP, DACs & TWS for Audiophiles — HiFiGo

AFUL Performer8 1DD+7BA Hybrid IEMs — HiFiGo

Earphones, Audio Players, Headphones AMP, DACs & TWS for Audiophiles — HiFiGo

Linsoul RAPTGO x HBB Hook-X HiFi 14.2mm Planar Diaphragm Driver + PZT Driver in Ear Monitor with Open-Back Cavity, Interchangeable Plug 0.78 2pin OCC Cable, for Musician Audiophile : Electronics

Earphones, Audio Players, Headphones AMP, DACs & TWS for Audiophiles — HiFiGo

AFUL Performer8 1DD+7BA Hybrid IEMs — HiFiGo