A dual function testing device that combines an audio signal source with a monitor amplifier. Able to send or receive audio signals at either mic or line levels, as well as detecting the presence of phantom or intercom voltage on the line. Features an internal omnidirectional electret condenser mic and an internal speaker for monitoring. Includes attenuator switch, tone/internal mic switch, LED's, volume control, stereo phones jack, XLR and 1/4"" Tip sleeve jacks. Two Q-Box's may be used as a two-way intercom. Powered from one 9V alkaline battery.
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