Nex-Tech Header
We make life better by providing World Class Technology
Nex-Tech Help Desk
Mon. - Fri. 7AM - 11PM
Sat. - Sun. 8AM - 8PM
or call 888.565.3200

ADB 3721 Receiver

ADB 3721 Receiver






  1. Secondary Video/Stereo Audio R/L (Video/Audio Left/Audio Right) Connects the  receiver to your TV or VCR to provide good quality video and stereo audio.
  2. Primary Video/Stereo Audio R/L (Video/Audio Left/Audio Right) Connects the receiver to your TV or VCR to provide good quality video and stereo audio.
  3. S-Video Connects the receiver to your TV to provide high quality video - provides video only.
  4. Component (HD Analog) Output (Video/Audio Left/Audio Right) Connects the receiver to your TV or VCR to provide high definition quality video and stereo audio.
  5. HCNA Coax Port Connects the receiver to a HCNA wall socket using coax wiring.
  6. RF Modulated Output to TV Connects the receiver to your TV using a standard coax cable - provides audio and video.
  7. Ethernet Connects the receiver to the video service using a CAT5 Ethernet cable.
  8. S/PDIF Connects the receiver to a home theater system to provide surround sound audio - provides audio only.
  9. HDMI (High Definition Media Interface) Connects the receiver to your HDTV using an HDMI cable - provides audio and video.
  10. USB (Universal Serial Bus) Connects the receiver to technician’s equipment and other devices.
  11. Power Adapter Provides power to the receiver.