The W2IHY Audio Equalizer 8-Band Noise Gate is a versatile accessory designed specifically for ham radio transceivers. Made in the United States, this audio equalizer is compatible with a universal range of brands and models. With its 8-band equalizer and noise gate features, this device helps optimize audio quality and minimize interference for clear and robust communication. The compact unit operates on DC 12V power and offers multiple connectivity options to suit various radio communication setups. Ideal for improving your ham radio experience, the W2IHY Audio Equalizer is a reliable and efficient tool for enhancing audio performance on the air. This includes unit, mic cord, power cable to power poles, and printed instructions. Tested.