MIPRO MRM70B-5 Wireless Mic Receiver Module. Install up to two per MA505 for a total of two wireless mics from an MA505PA or MA505DPM3, or four from a MA505R2D
MIPRO CDM2P CD/MP3/USB Player Module for the MA707 Series
CD/MP3/USB Player Module Upgrade • Suitable for MIPRO MA707 Series.