MFJ-640

2-Radio Headphone Selector/Mixer

2-Radio Headphone Selector/Mixer MFJ-640 combines or selects audio from two different receivers -- Great for operating "split" for HF contests and DXing, or cross-band for VHF/UHF satellite. Just connect the audio output of two receivers to the two 3.5mm audio connectors on back of the unit. Then plug in your stereo headphones and you are ready to go. MFJ-640 provides both 1/4" and 3.5mm stereo headphone jacks