Bluefish444 Downloads

The latest Bluefish444 Driver Installer package can be downloaded below.

Windows Driver Installer V6.6.1

October 17, 2025.

Download

Download (149.06 mb)

Download

Download (468 kb)

Driver Version:

V6.6.1.4

Firmware Version:

V1.6.12

ADDED FEATURES:

  • Updated Kronos K8 and Optikos3G range firmwares (V1.6.12)
  • Added support for EX-1 extension board for external AES audio I/O, RS422 and LTC I/O (Kronos K8/Optikos3G range)
  • Added full duplex DMA support for KRONOS K8/Optikos3G range
  • Added AutoCapture to DirectShow to improve latency I/O
  • Added DirectShow audio filter support for more than 2 audio channels
  • Added native 4K support to DirectShow
  • Updated Sample apps
  • Bug fixes, stability and performance improvements

BlueToolBox updates for KRONOS range

  • Added dynamic I/O switching for all KRONOS firmwares
  • Added a signal routing & distribution amplifier feature
  • Added more SFP+ IP module configuration setup functionality

Refer to the Release notes for a full description of new features.

Compatible OS

Windows 10 64-bit, Windows 11 64-bit, Server 2022, Server 2025

Supported Hardware

KRONOS K8, KRONOS Optikos3G, KRONOS Optikos3G CX SDI, KRONOS Optikos3G ST IP, Epoch | 4K Supernova, Epoch | 4K Supernova S+, Epoch | Supernova CG, Epoch | Neutron, Epoch | 4K Neutron

 

Previous Bluefish444 Windows Driver Installer Downloads

Windows Driver Installer V6.6.0

December 17, 2024

Download

Download (157.09 mb)

Download

Download (462 kb)

Driver Version:

V6.6.0.20

Firmware Version:

V1.5.115

ADDED FEATURES:

  • Added new firmware types, split into a set of firmwares for K8 and for Optikos3G
  • Supported firmware types for both card types are now 0i8o/1i7o/2i6o/3i5o/4i4o/5i3o/6i2o/7i1o/8i0o
  • Added support for port routing in BTB
  • Port routing default can be changed in BTB/BootOptions (sets up registry keys)
  • More resilience in input signal detection, especially when invalid VPID is present
  • Bug fixes, stability and performance improvements

Refer to the Release notes for a full description of new features.

Compatible OS

Windows 10 64-bit, Windows 11 64-bit, Server 2022, Server 2025

Supported Hardware

KRONOS K8, KRONOS Optikos3G, KRONOS Optikos3G CX SDI, KRONOS Optikos3G ST IP, Epoch | 4K Supernova, Epoch | 4K Supernova S+, Epoch | Supernova CG, Epoch | Neutron, Epoch | 4K Neutron