This needle is compatible with the following models: Technics SL-B200, SL-M3, SL-MA1, SL-Q2, SL-Q20, SL-Q200. Plugs into your tonearm. Output: 5MV +- 3DB Channel Balance below 1DB Channel Separation: 15DB+ Frequency response: 20K HZ Tracking force: 1.25 Grams