- Knowles/Sonion BA Combination
- CNC Aluminum Enclosure
- 8-wire Unidirectional Crystalized OFC x Silver Alloy cable
- High Quality 3.5mm Gold Plated Connector
- Hexagon Design Aluminum Spliiter
- Gold-plated 0.78mm 2-pin Connectors
Note: the ratings given will be subjective to the price tier. Definitely the expectations from a $15 IEM won’t be the same as a $150 one, and that’s the approach taken while assigning scores. Cayin was kind enough to send me the YB04 (courtesy of Andy Kong) as part of the review tour.
Sources used: Questyle QP1R, LG G7, Cayin N6 II, E1DA PowerDAC V2