Loa box gắn tường, dòng AccousticDesign, 4.5″, 30W, QSC AD-S4T

\n\n# Features\n\n* 4.5-inch weather treated woofer; 0.75-inch silk dome tweeter\n* 120° conical DMT™ coverage\n* 30 watt low-saturation and low-loss 70/100V transformer with 8Ω bypass\n* Maximum peak SPL 110 dB (8 ohm bypass)\n* Directivity Matched Transition® (DMT) ensures smooth, uniform frequency response over the coverage area\n* X-Mount™ system enables the loudspeaker to be easily installed and deployed at a variety of angles with no slippage over time\n* Advanced Intrinsic Correction™ voicings available via Q-SYS™\n* Lightweight ABS enclosures offer long-term durability and lasting good looks\n* Sealed input panel cover and powder coated aluminum grilles for added weather resistance\n* Meets IEC60529 IP-54 for dust and splash resistance\n* Available in black (RAL 9011) or white (RAL 9010)\n* Complete EASE, CF2, CAD, and BIM information available online\n\n| System Details | AD-S4T |\n| --- | --- |\n| Effective frequency range1 | 68 Hz – 20 kHz |\n| Rated noise power / voltage2 | 50 watts / 20 volts (rms) |\n| Broadband sensitivity3 | 87 dB SPL |\n| Coverage angle (-6 dB) | 120° conical DMT™ |\n| Directivity factor (Q) | 6 |\n| Directivity Index | 8 dB |\n| Maximum continuous SPL4 | 104 dB |\n| Maximum peak SPL4 | 110 dB |\n| Rated impedance | 8 ohms |\n| Recommended amplifier power (loudspeaker “program” power) | 100 watts |\n| Transformer taps | 70 V: 30, 15, 7.5, 3.75 W and 8Ω bypass 100V: 30, 15, 7.5 W and 8Ω bypass |\n| HF transducer | 0.75-inch silk dome tweeter / 0.75-inch voice coil, horn loaded |\n| LF transducer | 4.5-inch weather resistant paper cone woofer 1-inch / 25 mm voice coil |\n| Input connector type | Euroblock connector with parallel output terminals |\n| Enclosure material | Painted ABS polymer |\n| Grille material | Powder coated aluminum |\n| X-Mount material | Powder coated aluminum |\n| Enclosure Details | |\n| Ingress protection | IP-54 |\n| Operating environment | Designed for indoor and outdoor use |\n| Testing | The AD Series loudspeakers qualified for outdoor use using the following tests: * Salt fog: MIL-STD-810G Method 509.5 for 100 hrs. * Humidity: MIL-STD-810G Method 507.5, Natural cycle B2, cyclic high RH for 7 days * High and low temperature: tested to QSC internal standards between -20° and 50° C |\n| Net weight | 6.5 lb / 2.9 kg |\n| Product dimensions (HWD) inches | 10.3 × 6.34 × 6.42 |\n| Product dimensions (HWD) mm | 261 × 161 × 163 |\n| Shipping weight | 16.8 lb / 7.65 kg (pair packed) |\n| Shipping dimensions (HWD) inches | 15.5 × 10.3 × 18 (pair packed) |\n| Shipping dimensions (HWD) mm | 394 × 261 × 458 (pair packed) |\n| Included accessories | X-Mount mounting system, Euroblock connector, input panel cover |\n| 1 Free-field, -10 dB from on-axis sensitivity 2IEC60268-1 noise signal for 2 hours 3On-Axis, free-field sensitivity, 2.83V, 1 m 4Calculated from rated noise voltage and sensitivity | |\n\nAll specifications are subject to change without notice.