Nady DKW1 Handheld Wireless System Band D High-band VHF technology 250' typical operating range 40-20Hz dynamic range Companding circuitry LED status indicators for power on, transmitter on, audio peak Special power on/off circuitry eliminates pops An affordable solution for karaoke, DJs, etc , its high-band VHF technology includes companding circuitry for a wide dynamic range without overload With a 250' range; LEDs for power on, transmitter on, and audio peak; and power on/off circuitry to eliminate pops An affordable solution for karaoke, DJs, etc