The QSC SC-2150 is a compact, high-performance 3-way screen channel loudspeaker system designed for professional cinema applications in auditoriums up to 55 feet in length. Engineered for behind-the-screen installation, it delivers articulate dialogue, extended bass response, and wide coverage in a shallow-depth enclosure. The SC-2150 supports both passive and bi-amplified operation, making it a flexible solution for modern digital cinema environments.
Technical Information
- System Type: 3-way selectable passive or bi-amplified screen channel loudspeaker
- Coverage Pattern: 90 degrees horizontal x 40 degrees vertical
- Frequency Response: 38 Hz – 20 kHz (±6 dB)
- Frequency Range: 32 Hz – 20 kHz (–10 dB)
- Crossover Frequencies:
- Passive: 500 Hz and 2200 Hz
- Bi-amp: 500 Hz active, 2200 Hz passive
- Low-Frequency Section:
- Dual 15-inch woofers with 3-inch voice coils
- Ported MDF enclosure with symmetrical port loading
- Tuned to 40 Hz
- Mid-High Section:
- 6.5-inch horn-loaded midrange driver
- 1.4-inch diaphragm compression driver (1-inch exit)
- Cine-Sight aiming system with tilt/pan bracket
- Sensitivity (1W/1m):
- LF: 100 dB
- MF/HF: 102 dB
- Power Handling:
- LF: 500 W continuous / 1000 W recommended
- MF/HF: 80 W continuous / 320 W recommended
- Impedance:
- LF: 4 ohms
- MF/HF: 8 ohms
- Connectors: Barrier strip terminals and factory-installed NL4 plug
- Dimensions (LF Enclosure): 38.3 in H x 30 in W x 14.5 in D
- Dimensions (MF/HF Module): 17.3 in H x 16.3 in W x 6.8 in D
- System Net Weight: 117 lb
- System Shipping Weight: 133 lb
- Baffle Cut-Out: 30.5 in x 56.1 in, contoured to horn perimeter
- Recommended Processing: Subsonic filter below 30 Hz, 4th-order crossover at 500 Hz
Shipping Information
- Ships in two cartons (LF enclosure and MF/HF module)
- Total shipping weight: 133 lb
- Freight recommended for secure delivery
- Curbside delivery is standard; liftgate or inside delivery available upon request at additional cost
