- Available as a global limited version in 249 pieces
- Match titanium gold, black is the main color for A-845Pro.
- Royal design style on architectural are applied in the input and function switch of A-845Pro The style of main volume knob has mantain the tradition of Cayin
- JJ 5U4GB are used for voltage rectifier
- Tung-Sol 6SN7GTB has been used for voltage amplification
- Full music 300B/n with Porcelain base has been used for drive amplification
- Full music 845SL vacuum tube has been used for Single-end Class A amplification
- High quality MUNDORF Mcap EVO SilverGold are applied