Fits Peerless: 810665, DT115, K010DT Infinity: Monitor Jr., Monitor IIA ADS: 206-0100, L400, and many more! May need to modify cabinet hole cut-out to fit terminals on some ADS models. Cizek: Model 1, Model 2, Model 3, Model I, Model II, Model III Polk: Monitor 4, Monitor 5A, Monitor 5Jr, Monitor 7B, Monitor 10, Monitor 10A, Mini Monitor I, RTA 12A, RTA 12B, HF1000, SL1000, SDA 1, and many more! Jennings Research: Contrara Tower. Audio Analyst: M8. M & K: S-1, Satellite 1. Paradigm: Studio 20, 20 v.2, 40, 40 v.2, 60, 60 v.2, 80, 80 v.2, 100 and 100 v.2, CC center channel, ADP-450 Bipolar Surrounds. Cabinet modification may be required to accept new tweeter terminals.