Xone:DB4. Custom Carry Case 02 July 2021 10:25 Custom Allen & Heath protective soft bag for the XONE:DB4 (Part No: AP8369)This will also fit the Xone:DB2 To order a replacement please contact your dealer or local distributor Related articles Xone:DB4. X:Link Pairing with Xone:K2 (V.2 Firmware and above) Xone:DB4. Xone:DB2. eID Number Xone:DB2. BETA Mac Driver 2.2.6 - USB3.0 Retina Mac Xone:DB2. Important Apple Mac Compatibility Information Xone. How is it pronounced?