Home > Catalog > Compu-Dobby > Compu-Dobby IV Upgrade from Compu-Dobby III Compu-Dobby IV Upgrade from Compu-Dobby III A complete package for upgrading your AVL to the latest Compu-Dobby design. The Compu-Dobby IV offers:*Direct connectivity using USB, Ethernet and RS-232 serial ports. *Lower power consumption*High reliabilityThe easy upgrade includes components to upgrade the dobby head to the more robust Compu-Dobby IV dobby cable setup. $3,831.00 Part Number 3427 Quantity * Compu-Dobby IV Upgrade from Compu-Dobby III