High quality in aVery discreet speaker. High-fidelity sound. Ideal for music orVoice broadcasting, EHP410b can be discretely integrated into any interior: shops, conference rooms, places ofWorship orWaiting rooms. It's power selector (2,5/5/10/20W) makes it possible to limit the broadcastVolume as needed. Black color,Very compactWith built-inWall-mount bracket. Requires a low-impedance or a 70 V or 100 V line