• Patented polarization diversity antenna system reduces signal dropouts
• 4 Channel antenna distribution with internal power supply and cascade ports
• Premium made in USA low loss double shielded coaxial cabling

The patented Diversity Fin is a multi-purpose antenna for wireless microphones that reduces dropouts using a patented cross-polarized, hybrid design. It combines one LPDA and one dipole antenna in an orthogonal (right angle) configuration. One element captures vertically polarized waves, and the other horizontally polarized waves—doing the same job as two “shark fin” paddles while greatly improving RF and audio performance. The Diversity Fin has found widespread adoption across multiple pro audio segments for its performance, convenience, space, and cost benefits. From high profile live sound events, to film and TV productions, to routine installations in schools and churches, the Diversity Fin is the ideal all-purpose external antenna for diversity microphone systems of any brand.

DISTRO4 distributes diversity RF signals and DC power across four wireless microphone receivers of any brand. A true “distribution amplifier,” DISTRO4 splits signals from two antennas (or one Diversity Fin) connected to the rear panel and amplifies them before delivering the signals to multiple receivers in a rack. An additional set of cascade ports is included for daisy chaining multiple DISTRO4 units together to accommodate up to 16 receivers per antenna pair. DISTRO4 features a 2000 mA internal power supply (no wall wart) and compares to antenna distributors twice its price. It includes all RF and DC power cables needed to connect a 4 channel wireless microphone system as well as cascade to one additional DISTRO4.

Black Diversity Fin Antenna with black wall mount bracket

DISTRO4 Antenna Distribution system with (10) BNC jumpers, (4) DC jumpers, and (1) AC power cord

Two 25ft RG8X BNC cables

Practical illustration on the technology of the DFIN using a Shure ULX-D: