Which two room systems support Speaker Track 60? 01/05/2017 – by Mod_GuideK 0 Which two room systems support Speaker Track 60? (Choose Iwo.) A. MX950 B. MX800 C. MX700 D. MX300 G2 E. MX200 G2 SHOW ANSWERSCorrect Answer: BC Explanation/Reference: real answer.