The QSC SC-424 is a THX-approved four-way behind-the-screen cinema loudspeaker in QSC's SC-400 (Digital Cinema Sound) series. It combines a dual-15-inch low-frequency section (LF-4215 low-frequency system) with a coaxial mid/high/very-high assembly, adding a dedicated VHF section over the three-way models for extended high-frequency detail in premium and immersive auditoriums. It supports tri-amplified or quad-amplified operation.
Key Features
- THX-approved four-way screen channel loudspeaker
- Dual 15-inch low-frequency woofers (LF-4215 low-frequency system)
- 10-inch midrange with coaxial high-frequency and very-high-frequency drivers
- Approximately 90 degrees horizontal by +20/-30 degrees vertical coverage
- Tri-amp or quad-amp operation for large-format rooms