Founded in 1976 by John Nady in the San Francisco Bay Area, Nady Systems is a pioneering audio equipment manufacturer best known for transforming the wireless audio landscape. John Nady, an electrical engineer and guitarist, developed and patented a companding process that enabled practical long-range wireless microphones. The company is credited with a string of industry firsts, including the first in-ear monitor system (1978), the first ultra-light wireless headset microphone for professional stage performance (1984), the first wireless guitar and bass with a built-in transmitter (1986), and the first PLL synthesized UHF frequency-agile wireless system (1991). John Nady received an Emmy Award in 1996 from the National Academy of Television Arts and Sciences for Outstanding Technical Achievement in pioneering wireless microphone technology.

Beyond wireless systems, Nady manufactures a broad range of pro audio gear including condenser, dynamic, ribbon, and boundary microphones, headphones, mixers, speakers, and amplifiers. Their wireless technology was adopted early on by major touring acts including the Rolling Stones, Madonna, Bruce Springsteen, Aerosmith, Neil Young, Stevie Wonder, and Bon Jovi. The company was acquired by PromarkBrands in 2019 and continues to produce wireless systems and audio accessories across professional and consumer markets.

Nady has 113 products cataloged on Equipboard, including Wireless Microphones, Condenser Microphones, and Dynamic Microphones. Their gear is featured by 9 artists, with the strongest followings in Rock, Electronic, and Pop. Notable users include Buckethead, Kerry King, and Tom Araya. Most Nady products sit on the budget-friendly end of the spectrum.