DMX USB
device comparison
OPEN DMX USB DMX USB PRO DMX USB PRO MK2
List Price $70.00 $170.00 $290.00 $220.00
Part # 70303 70304 70570 70314
Max Output Channels 512 Channels 512 Channels 512 Channels 1024 Channels
DMX Out Yes Yes Yes Yes
DMX In No Yes No Yes
DMX Connector Type 5 pin DMX 5 pin DMX 3 pin & 5 pin DMX 5 pin DMX
Included Accessories USB Cable USB Cable
On-board Processing
(timing and signal)
Data & Power Line Isolation No 1500V Isolation 1500V Isolation 1500V Isolation
Upgradeable Firmware No Yes Yes Yes
RDM Enabled No Yes. Requires firmware v2.4 No Yes, with any firmware version
User Configurable (via PRO-Manager)
Refresh Rate (1 to 40 Hz)
Break Time (96 uS to 1.3 mS)
MaB (10.6 uS to 1.3 mS)
Ability to Manage, Test, & Update
(via PRO-Manager)
Standalone Playback No No No Yes. Limited to 1 Universe
MIDI In/Out Ports No No No
MIDI Control Capability No No Yes (e.g. as a VST plugin within Ableton) Yes. DMX + MIDI cable sold separately
Choose your own lighting software? Yes Yes No. DMXIS required and included Yes
No. Dependent on the processing
capabilities of your computer
No Yes Yes Yes
No Yes Yes Yes
Yes Yes Yes. 6 times faster than DMX USB Pro
USB Cable
Software CD
USB Cable
DMX Breakout Cable
Yes, when supported by the software
in use. Check with developer
• Students
• Novice users
• Amateur productions
• Troubleshooters
• Community theaters
• Nightclubs
• Events
• Medium-sized AV
production companies
• DJ’s
• Live bands
• Solo performers
• Smaller churches
or theaters
• Large AV production
companies
• Large houses
of worship
• Trade shows
• Installers