Biamp Tesira EOC-4 CK 4-Channel Expander Output Card - 909.0331.900

Biamp SKU: 909.0331.900
No reviews

Sale price$398.00


Biamp Tesira EOC-4

The Tesira EOC-4 expander card is an optional card that can be installed in the Tesira EX-MOD and all Tesira amplifiers. Each EOC-4 provides four channels of mic or line level audio output. The outputs are electrically balanced and provided on plug-in barrier strip connectors. Software control of each output includes mute level signal invert and full-scale output reference.


• Four channels of balanced mic or line level output
• Plug-in barrier strip connectors
• -100dB to +12dB fader range for level
• Signal invert for reverse polarity
• Selectable full-scale output reference level (24dBu 18dBu 12dBu 6dBu 0dBu -31dBu) for best interface/performance
• RoHS compliant and AES grounded
• Covered by Biamp Systems’ five-year warranty

Data Sheet

At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.

  • Most in-stock orders placed Monday-Friday before 1PM PST ship the same day. Orders placed after 1PM will ship the next day of business. General restrictions apply; please see our full shipping policy here.
  • We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.

Customer Reviews

Be the first to write a review

Nationwide Audiovisual Services - Design, Installation & Support - A Partner You Can Trust

Creation Networks offers audiovisual & video conferencing services for projects of all sizes - from a single meeting room to a nationwide deployment. You can count on us for your audiovisual technology system's design, configuration, programming, installation, and support. It is important that you get Top Quality products from the best manufacturers, and then purchase from a trusted partner who tests and installs what they sell, giving you the best value. Our goal at is to only represent the top products and test everything before recommending or selling our solutions.


Our AV experts have earned their professional certifications to design, build, and manage the best AV services for you. View Our Certifications

Product Selection

Choose from products and national brands to find the right technology for your needs. View Our Vendor Partners