| 1 | (Quick Start Guide) Europe | Dutch, English, French, German, Italian, Portuguese (Europe), Russian, Spanish, Ukrainian | Download | 2.4MB |
| 2 | KDC-BT440U,KDC-BT640U | Dutch, English, French, German | Download | 3.1MB |
| 1 | KDC-BT640U_EU_Doc_2024-06-21_KENWOOD.pdf | Download | 391.4 kb |
| 2 | KDC-BT640U_EU_DoC_2025-07-31_KENWOOD.pdf | Download | 410.45 kb |
| 3 | REDoC_Cover Letter_KDC-BT460U_KDC-T822BT.pdf | Download | 128.95 kb |