4-inch aluminum alloy speaker column（T404 T406 T408)

This speaker features an aluminum alloy die-cast enclosure with imported matte lacquer finish, equipped with a 4-inch full-range driver. Pre-drilled wall-mounting holes optimize sound pressure and radiation wave patterns. By enhancing the direct-to-reflected sound ratio, it delivers exceptional speech intelligibility and point-to-point sound field calibration, making it widely suitable for classrooms, conference rooms, lecture halls, music lounges, and karaoke venues.

Key Features

1. Die-cast aluminum alloy enclosure with imported matte baked paint finish;

2. Features a 4-inch full-range driver unit configuration;

3. Designed with wall-mounting bracket holes to enhance SPL and reduce vertical radiation beam width;

4. Significantly improves direct-to-reverberant sound ratio, making it ideal for music and vocal reproduction in reverberant fixed installations. Delivers exceptional speech intelligibility and enables point-to-point sound field processing based on venue requirements;

5. Suitable for educational settings, conference rooms, lecture halls, multipurpose venues, music lounges, and cinema/karaoke theaters.

Technical Specifications