This QSC Model 1400 amplifier is a reliable piece of pro audio equipment that has been tested and confirmed to be in good working condition. Made in the United States, it's a top-quality amplifier that will provide clear and powerful sound for your music or other audio needs. The brand name QSC is synonymous with high-quality audio gear, and the Model 1400 lives up to that reputation with its robust construction and excellent performance. Whether you're a musician, DJ, or sound engineer, this QSC Model 1400 amplifier will be a valuable addition to your setup. It's easy to use and delivers great results every time. Bid with confidence, knowing that you're getting a quality piece of equipment that will serve you well for years to come.