QSC AD-S4T
| QSC AD-S4T Specs | |
| Speaker | |
| Active or Passive | Passive |
| Number of Included Speakers | 2 |
| Speaker Configuration | 2-Way |
| Power Handling | For 2 Hours / At Low-Z: 50 W RMS |
| Recommended Amplifier Power | 100 W |
| Constant Voltage / Transformer Taps | 70 V: 30 / 15 / 7.5 / 3.75 W or 8 Ohms Bypass 100 V: 30 / 15 / 7.5 W or 8 Ohms Bypass |
| Impedance | 8 Ohms (Transformer Bypassed) |
| Transformer Wattage | 30 W |
| Enclosure Type | Sealed |
| Shielded | No |
| Drivers | |
| HF Driver | 1 x 0.75" / 1.91 cm Horn-Loaded Silk Dome Tweeter |
| HF Voice Coil | 0.75" / 1.91 cm |
| LF Driver | 1 x 4.5" / 11.43 cm Paper Woofer |
| LF Voice Coil | 1" / 2.54 cm |
| Performance | |
| Frequency Range | 68 Hz to 20 kHz -10 dB |
| Maximum SPL | 104 dB (Continuous) 110 dB (Peak) |
| Sensitivity | 87 dB SPL |
| Coverage Angle | 120° (Conical) |
| Directivity | 6 (Directivity/Q Factor) 8 dB (Directivity Index) |
| Maximum Input Voltage | 20 V RMS |
| Connectivity | |
| I/O | 1 x Block 4-Pole Speaker Input/Thru (Removable) |
| Environmental | |
| Water / Weather Resistance | Dust Resistant, Humidity Resistant, Water Resistant |
| IP Rating | IP54 |
| Operating Temperature | -4 to 122°F / -20 to 50°C |
| Physical | |
| Color | Black |
| Mounting | 1 x Bracket Point (Rear) |
| Construction Material | ABS, Aluminum Grille, Polymer |
| Dimensions | 10.27 x 6.42 x 6.34" / 26.09 x 16.31 x 16.1 cm |
| Weight | 6.5 lb / 2.9 kg (Each Speaker) |