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DB9 Male to Male Mini Gender Changer

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Joining Forces

Welcome, everyone, to FireFold’s Coupler Corner where there is no such thing as “opposites attract!” This is the number one place like-minded cables can make a solid, lasting connection in a safe and professional environment. We know it can be hard to join two cables together. Whether you need to unite them for an hour or a lifetime, selecting just the right bond can be tough. It shouldn’t be a high-pressure race against time, though. With the right coupler, mating cables end to end is easy, reliable, and quick. Here you can find a coupler for a signal so solid you might forget those cables were ever separate. All of our couplers are small enough to tuck in your pocket and take on the move, so they’re even great for temporary arrangements.

Male to Male DB9

For connecting two female DB9, Serial, or RS-232 ends together, you can’t go wrong with the DB9-FF. They are also frequently called, “gender changers” or “gender benders.” This professional coupler features two DB9 male sides. DB9 is most frequently seen as the data connection for older printers, machinery, and computers or as the network interface in modern entertainment centers and home automation. The machined pin threads provide a tight, secure slot for tightening down cable screws. When the cables are firmly seated in place, this coupler can dependably hold the connection despite any pulling, tugging, or pressure. These connections are generally used strictly for data.

These DB9 couplers can be used with any of FireFold’s 9-pin serial cables, splitters, or adapters for customized display solutions. In most cases, DB9 cables can be run fairly long distances, so feel free to extend without worries. It doesn’t matter to us how long you plan for your cables to be joined, either. You can still enjoy our picture-perfect match of low prices and high performance. With our signature lifetime warranty, you can expect this coupler to create quality connections for as long as you both shall live.


  • DB9 Male to DB9 Male Adapter
  • Pins Wired for Straight-Through Signal
  • Fully Shielded Connectors Prevent Interference
  • Designed for Serial Applications
  • FireFold Signature Lifetime Warranty


  • Connectors: DB9-pin Male to DB9-pin Male
  • Low-profile design
  • Fully Shielded
  • Straight-through Pins
  • ROHS Compliant
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