Availability
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!
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
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: 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: Today
Estimated Ship Date: Today
Antenna Switch, Automatic, 8 Antenna/2 Radio, SO2R, 160-6M, 3,000W/800W 6M Digital, High Port Isolation, LAN/WAN Remote, SO-239, Req. 13.8VDC, Each
Part Number: O3A-4O-AG8X2
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Triplexer/Combiner, 20/15/10M, 4500W PEP, 72dB+ Isolation, 0.10-0.15dB Insertion Loss, SO-239/UHF Female, Each
Part Number: O3A-4O-HFC4500PL
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Antenna A/B Switch Relay, Requires 12-14VDC to Switch IN to OUT B, Default is IN to OUT A, 3xSO-239/UHF Female, Each
Part Number: O3A-4O-AB-PL
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Antenna Switch, Automatic, 8 Antenna/2 Radio, SO2R, 160-6M, 3,000W/800W 6M Dig, High Port Isolation, LAN/WAN Remote, Type-N Female, Req. 13.8VDC, Each
Part Number: O3A-4O-AG8X2-N
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Filter, Bandpass, XL Series, 10 Meter Band, 4,500W PEP, UHF Female SO-239, Fan Cooled, Each
Part Number: O3A-4O-BPFXL010P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Filter, Bandpass, XL Series, 20 Meter Band, 4,500W PEP, UHF Female SO-239, Fan Cooled, Each
Part Number: O3A-4O-BPFXL020P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Antenna Switch, 8xA/B, 8 Antennas to 2 Radios, 3500W Max, 56–70 dB Isolation@ 30MHz,LED Power Indicator, SO-239 Female, DB9F, 12VDC, Each
Part Number: O3A-4O-8XAB-PL
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Filter, Bandpass, XL Series, 15 Meter Band, 4,500W PEP, UHF Female SO-239, Fan Cooled, Each
Part Number: O3A-4O-BPFXL015P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Headphones, Noise Canceling, Wireless (Bluetooth) or Wired, 750 mAh Li-Ion Rechargeable Battery, Zippered Bag Incl., Each
Part Number: O3A-4O-NC-HP
Cannot be shipped Internationally
Cannot be shipped Internationally
Headset, NC-1, Noise Canceling Over-Ear Stereo Headphones & Boom Mic Condenser Element, Bluetooth or Wired w/Optional Xcvr Adapter, Rechargeable, Set
Part Number: O3A-4O-NC-1
Cannot be shipped Internationally
Cannot be shipped Internationally
Filter, Bandpass, XL Series, 80 Meter Band, 4,500W PEP, UHF Female SO-239, Fan Cooled, Each
Part Number: O3A-4O-BPFXL080P
Estimated Ship Date: Today
Estimated Ship Date: Today
Filter, Bandpass, XL Series, 40 Meter Band, 4,500W PEP, UHF Female SO-239, Fan Cooled, Each
Part Number: O3A-4O-BPFXL040P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Filter, Bandpass, XL Series, 160 Meter Band, 4,500W PEP, UHF Female SO-239, Fan Cooled, Each
Part Number: O3A-4O-BPFXL160P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Filter, Bandpass, XL Series, 17 Meter Band, 4,500W PEP, UHF Female SO-239, Fan Cooled, Each
Part Number: O3A-4O-BPFXL017P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Filter, Bandpass, XL Series, 12 Meter Band, 4,500W PEP, UHF Female SO-239, Fan Cooled, Each
Part Number: O3A-4O-BPFXL012P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Filter, Bandpass, XL Series, 30 Meter Band, 4,500W PEP, UHF Female SO-239, Fan Cooled, Each
Part Number: O3A-4O-BPFXL030P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rotator Controller, Supports Most Rotators, 2 Rotators, 3-48VDC or VAC Output, 15A Max, LAN/USB/Wi-Fi Control, LCD Display, Requires 13.8-48VDC, Each
Part Number: O3A-4O-RG
Not Yet Reviewed
Estimated Ship Date: Nov 5, 2026 if ordered today
Estimated Ship Date: Nov 5, 2026 if ordered today
Antenna Switch, Genius 8x1, 160-6m, 3,000W PEP, (9) SO239 Ports, (8) Antenna, (1) Input, LAN, Band Data Input, Aux Out, 12-15VDC, Mount Flange, Each
Part Number: O3A-4O-AG8X1
Estimated Ship Date: Nov 5, 2026 if ordered today
Estimated Ship Date: Nov 5, 2026 if ordered today
Boom Microphone for NC-1 Headset, Option for NC-HP Headphones, High Clarity Condenser Element, with Zippered Case, 3.5mm & 6.3mm Adapter Incl., Each
Part Number: O3A-4O-NC-MC-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Output Relay Module, Programmable , for Antenna Genius/Station Genuis Controllers, 16 Dual Output Relays, (1) DB9M, (1) DB9F, Each
Part Number: O3A-4O-OUTMOD
Not Yet Reviewed
Estimated Ship Date: Nov 5, 2026 if ordered today
Estimated Ship Date: Nov 5, 2026 if ordered today
Rotator Azimuth Sensor, Magnetic, for 4O3A Genius Rotator Controller or Standalone, 1 Degree Accuracy, RS-485 to USB or RS-232 Compatible, Each
Part Number: O3A-4O-RGSENS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today