GKC Part #441 Model #305 Communications Amplifier with 25 Number Memory Dialer

This advanced communications amplifier is most versatile for both IFB and ENG field operations. It operates similar to the Model 300 but with more features. It can be used on a standard telephone line, a satellite phone or IFB feeds, from a remote truck. The unit is used with a low impedance headset or a lapel mic and earphone. Features include two independent output channels, one for the headset output, the other for the IFB output with 1/4" and 1/8" jacks. This box also has a line input on the side to send audio on a telephone line from a mixer or tape recorder. The unit also features a open microphone switch in addition to the momentary push to talk switch. The dialer has a memory to hold 25 telephone numbers up to 30 digits long, low battery light with a low audible beep in three minute intervals through the ear phone, a defeatable ringer and a light to signal incoming calls, an external power jack for a regulated AC adaptor, a battery drawer for quick and easy battery changes and