Loa sub gắn tường 12″, 300W, 121dB, QSC AD-S112sw

\n\n# Features\n\n* 12-inch weather treated woofer\n* TFR™ (Turbulent Flow Reduction) port provides optimal resonant tuning and high velocity air flow\n* Maximum peak SPL 121 dB\n* Suggested filter points: 32 Hz high-pass, 24 dB/octave Butterworth; 100 Hz low-pass, 24 dB/octave Butterworth\n* Included YMS12 yoke mount maximizes boundary plane coupling while reducing vibration transmission\n* Optional M10 Kit-C for additional installation versatility\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)\n* Complete EASE, CF2, CAD, and BIM information available online\n\n| System Details | AD-S112sw |\n| --- | --- |\n| Effective frequency range1 | 30 – 135 Hz |\n| Rated noise power / voltage2 | 300 watts / 50 volts (rms) |\n| Broadband Sensitivity3 | 90 dB SPL |\n| Maximum continuous SPL4 | 115 dB |\n| Maximum peak SPL4 | 121 dB |\n| Rated impedance | 8 ohms |\n| Recommended amplifier power (loudspeaker “program” power) | 600 watts |\n| Transformer taps | n/a |\n| HF transducer | – |\n| LF transducer | 12-inch weather resistant paper cone woofer, 2.5-inch / 64mm 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| Yoke material | Powder coated galvanized steel (included) |\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° & 50° C |\n| Product Dimensions (HWD) inches | 23.4 x 13.9 x 12.7 |\n| Product Dimensions (HWD) mm | 594 x 354 x 323 |\n| Net weight | 29 lb / 13.2 kg |\n| Shipping weight | 43.1 lb / 19.6 kg |\n| Shipping dimensions | 27.5-inch x 21.75-inch x 18.5-inch (698 x 552 x 470 mm) |\n| Included accessories | YMS12 yoke mounting system, Euroblock connector, input panel cover |\n| 1 Free-field, -10 dB from on-axis sensitivity 2 IEC60268-1 noise signal for 2 hours 3 On-Axis, free-field sensitivity, 2.83V, 1 m 4 Calculated from rated noise voltage and sensitivity | |\n\nAll specifications are subject to change without notice.