two-way :
intercom communication referee full-duplex tour guide Portable PAs Vlogger SoundField GPS triggered DSLR Interpretation Wireless Audioguides

EJ-900AI

Showing 1 to 1 of 1 items
EJ-900AI IR Classroom Soundfield System

EJ-900AI

Infared Soundfield System
Clear sound projection is essential to pupils’ learning. Students will perform well when t ...