Product Highlights:

  • commercial-grade eight-way signal splitter
  • distributes cable or broadcast signal to eight locations
  • approved for use with digital cable, over-the-air HDTV, and high-speed Internet signals
  • does not pass digital satellite video signals
  • 1 GHz bandwidth
  • compact design
  • 4-1/4"W x 1-1/4"H x 2-1/4"D
  • warranty: 60 days
  • Our 60-day money-back guarantee
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Hands-on research

What's in the box?

  • 8-Way HD/Digital splitter
  • 2 Mounting screws

Product Research


Overview: The Channel Master CM 3218 is a 8-way digital splitter which provides professional grade performance. Channel Master's CM 3218 meets stringent US and international standards, including SCTE. Channel Master digital splitters are commercial grade and can be used in HDTV, CATV, off-air, analog, and digital RF distribution applications where performance and reliability are required.


  • 8-Way digital splitter (bandwidth: 5-1002 MHz)
  • Professional Grade Performance
  • Meets US and international standards
  • Low signal loss (-10.5 dB)
  • Lightweight and compact
  • Designed for indoor/outdoor use
  • Weather sealed housings for superior corrosion performance
  • Approved and used by major North American cable TV operators

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.