Upgrade your vintage audio equipment with this brand new replacement RCA jack from SMK. Specifically designed for Phase Linear 4000, 2000, and 1000 models, this jack is a perfect fit for your beloved electronics. With 200 pieces available, you can stock up on this high-quality replacement without worrying about running out anytime soon. This custom bundle comes with no modifications and is manufactured from an unknown region. It is compatible with the listed models and is free from any California Prop 65 warnings. Don't miss out on this opportunity to enhance your vintage audio experience.