QSC SC-443C 3-Way Screen Channel Loudspeaker System – Bi-Amp or Tri-Amp, Dual 15" LF, 10" MF, 3" HF, 90° x +20°/-30° Coverage, THX Approved
Key Features
- High-output 3-way screen channel loudspeaker for large-format cinemas
- Selectable bi-amp or tri-amp operation
- Dual LF-4215 enclosures with 15" woofers and 4" voice coils
- MH-1075C mid-high module with 10" midrange and 3" titanium diaphragm compression driver
- 90° horizontal × +20° to –30° vertical coverage
- THX® approved for professional cinema use
- ±10° tilt/pan bracket for precise aiming
- Shallow 20.3" depth for behind-the-screen installation
Performance Specifications
- Frequency Range: 32 Hz – 16 kHz (–6 dB)
- Crossover Frequencies:
- Bi-amp: 250 Hz (active), 1700 Hz (passive)
- Tri-amp: 250 Hz and 1700 Hz (both active)
- Sensitivity:
- LF: 102.5 dB (1W/1m, half space)
- Bi-amp: 106 dB
- Tri-amp: MF 105 dB, HF 107.5 dB
- Recommended Amplifier Power:
- LF (each): 800 W continuous / 1000 W max
- MF: 275 W RMS
- HF: 80 W RMS
- Recommended Processing:
- Subsonic filter below 30 Hz, >18 dB/octave
- 4th-order Linkwitz-Riley crossover at 250 Hz and 1700 Hz
Physical & Shipping Details
- Enclosure Material: MDF, ported, heavily braced
- Dimensions:
- LF-4215 (each): 30 in H × 36 in W × 20.3 in D (762 × 914 × 516 mm)
- MH-1075C: 39 in H × 30 in W × 20 in D (990 × 762 × 508 mm)
- Net Weight:
- LF-4215 (each): 172 lb (78 kg)
- MH-1075C: 85 lb (39 kg)
- System Total: 257 lb (117 kg)
- Estimated Shipping Weight: ~429 lb (195 kg) (three cartons)
