Replacement OP Chip Burson V7 for Fosi Audio V3MONO BT20A PRO V3 and ZD3 1 Pair
The High Quality Operational Amplifier Chip Burson V7 can replace theZD3 ,BT20A PRO V3, andV3 MONO's operational amplifiers and can create different sound quality, providing you with a versatile Hi-Fi listening experience.