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What's in the Box 
Refurbished KXPA100 External Amplifier-Assembled
Power Cable, your choice - add to shopping cart at no charge





    • 100 watts at 13.8 V, 1.8 to 29.7 MHz and 80 watts 50-54 MHz PEP CW/SSB/DATA; ± 1 dB
    • 13.8 VDC powered; 20 A typical current drain  (11 V with lower output. 15 V max)
    • 7 lbs with KXAT100 installed.  10 x 5.125 x 4.25"
    • Compact unit ideal for both desktop and mobile use
    • Solid-state diode T/R switching — fast, silent T/R and QSK
    • Large convection-cooled heat sink for reliable and quiet operation
    • Modern design with rugged MOSFET output stage
    • Internal wide-range automatic antenna tuner (KXAT100 ATU option)
    • Second antenna jack provided with KXAT100 ATU option; controlled by KX3 or the KX2
    • Fast, bright LED bar graphs for power and status; KXAT100 ATU option adds SWR bar graph
    • Seamless integration with the Elecraft KX3 and KX2 transceivers
    • Works well with any low-power transceiver, requiring only RF and PA KEY inputs
    • RF-based frequency counter automatically switches bands with any rig
    • Support band-data input for the K3/10, KX3, Yaesu FT-817, Icom IC-703, and other rigs
    • Dual APP power connectors to connect the KX2/KX3 directly to the back of the KXPA100 amp for ease of placement on the operating position.
    • KXPA100's PC port allows use of remote-control and logging applications with the KX3 without software configuration changes
    • KXAT100 ATU settings saved per band, per band segment, and per antenna for instant recall



    • KXPACBL adapter connects KX3 to the KXPA100 with a single cable for keying, band data, and control
    • KXAT100 internal ATU option matches 10:1 SWR (5:1 typical on 160 m and 6 m); uses Elecraft's fast matching algorithm
    • KX2ACBL provides the connections from a KX2 - be sure to order the KXPACBL cable kit to complete the interface