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4O3A Amateur Radio Equipment & Genius Line Systems
A leader in high-performance amateur radio equipment, 4O3A designs and manufactures high-quality antenna switches, filters, headsets and other radio gear engineered...
A leader in high-performance amateur radio equipment, 4O3A designs and manufactures high-quality antenna switches, filters, headsets and other radio gear engineered for reliable operation and flexibility. The company’s flagship Genius line includes amplifiers and tuners that offer seamless control and automation between multiple antennas and a single or several radios, reducing station complexity and improving operating efficiency. DX Engineering carries a range of 4O3A products that can integrate effortlessly into both local and remote station installations, making them ideal for casual operators and competitive contesters...
A leader in high-performance amateur radio equipment, 4O3A designs and manufactures high-quality antenna switches, filters, headsets and other radio gear engineered for reliable operation and flexibility. The company’s flagship Genius line includes amplifiers and tuners that offer seamless control and automation between multiple antennas and a single or several radios, reducing station complexity and improving operating efficiency. DX Engineering carries a range of 4O3A products that can integrate effortlessly into both local and remote station installations, making them ideal for casual operators and competitive contesters alike. Each of the company’s offerings reflects a deep understanding of real-world radio use, whether in the shack, by remote or in the field!
Filter, Bandpass, XL Series, 6 Meter Band, 4,500W PEP, Type-N Female, Fan Cooled, Each
Part Number: O3A-4O-BPFXL006N
Not Yet Reviewed
Estimated Ship Date: Jan 18, 2027 if ordered today
Estimated Ship Date: Jan 18, 2027 if ordered today
Filter, Bandpass, XL Series, 6 Meter Band, 4,500W PEP, UHF Female SO-239, Fan Cooled, Each
Part Number: O3A-4O-BPFXL006P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Amplifier, Solid State, SO2R, 160-6 meters, 1.8-54MHz, 1500W+, LAN, Touchscreen Display, (4) SO239, 90-250VAC,15A Max, No AC Plug Installed, Each
Part Number: O3A-PGXL-SO2R
Estimated Ship Date: Today
Estimated Ship Date: Today
Consider an Open Box Item Get instant savings on this product!
Amplifier, Solid State, PGXL 3X1, 160-6 meters, 1.8-54MHz, 1500W+, LAN, Touchscreen Display, (4) SO239, 90-250VAC,15A Max, No AC Plug Installed, Each
Part Number: O3A-PGXL-3WAY
Estimated Ship Date: Today
Estimated Ship Date: Today
Open Box - Amplifier, Solid State, SO2R, 160-6 meters, 1.8-54MHz, 1500W+, LAN, Touchscreen Display, (4) SO239, 90-250VAC,15A Max, No AC Plug Installed
Part Number: O3A-PGXL-SO2R-OB
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Antenna Tuner, Genius XL SO2R, 1.8-54MHz, 2kW, Paired, 2-Input, 2-Output, Auto/Manual Tune, 50-Ohm, 4.5in. Display, LAN, SO239, Req. 12-16VDC, Each
Part Number: O3A-TGXLSO2R
Estimated Ship Date: Oct 8, 2026 if ordered today
Estimated Ship Date: Oct 8, 2026 if ordered today
Antenna Tuner, Genius XL 1X3, 1.8-54MHz, 2kW, 1-Input, 3-Output, Auto/Manual Tune, 50-Ohm, 4.5in. Display, LAN, SO239, Req. 12-16VDC, Each
Part Number: O3A-TGXL-1X3
Not Yet Reviewed
Estimated Ship Date: Oct 5, 2026 if ordered today
Estimated Ship Date: Oct 5, 2026 if ordered today