Perfect entry level systems- all the advantages & freedom of wireless operation without cumbersome cords, Excellent high fidelity audio - ideal for public speaking karaoke/recreational singers DJ’s auctioneers aerobic instructors & many other consumer applications, VHF (170-216MHz) operation for reliable interference-free performance, 150+ feet typical operating range - up to 300+ feet line-of-sight, Easy to use - simply plug into your audio mixer or amplifier (in place of your wired microphone), Operate either channel (A B) singly or both simultaneously (DKW-Duo only), Advanced audio processing circuitry for a wide dynamic range (no overloading for loud inputs or background hiss during quiet use), Complete controls & connections for easy operation front panel Power ON/OFF switch & Power ON LED indicator back panel 1/4” Audio Output jack & DC power input jack for supplied AC/DC adaptor & special added circuitry to eliminate transmitter on/off “pop” noise, Handheld Microphone Transmitter:, Each transmitter operates on a separate single frequency in the VHF 170-216MHz band & can be used singly (w/DKW-3 or DKW-Duo receivers) or together simultaneously (DKW-Duo receiver only), Easy convenient operation w/on/off switch & low-battery LED indicator which flashes once for unit “ON” & lights steady for low-battery alert, Features the Nady DM-20 unidirectional dynamic cartridge for optimum true sound maximum feedback rejection & minimal handling noise, Operates up to 15 hours on a single 9V alkaline battery SKU: TBAL6231