QSC AP-4122m is a Coaxial Multipurpose Speaker using Directivity Matched Transition (DMT) in 2-way models ensures smooth, coherent power response across the listening plane. Frequency response (-10 dB) : 55 Hz - 20 kHz Coverage angle : 90˚ conical DMT Maximum SPL at 1 m (passive) : 121 dB continuous and 127 dB peak Nominal Impedance : 4Ω HF transducer : 45 mm (1.75-inch) and LF transducer : 305 mm (12-inch) driver with 64 mm (2.5-inch) voice coil Dimensions (H×W×D) : 22.5-inch × 15.1-inch × 14.5-inch / 510 × 385 × 370 mm

QSC AP-5122-BK is a Surface Speaker, Using Directivity Matched Transition (DMT) Method ensures smooth, coherent power response across the listening plane. Frequency response (-10 dB): 48 Hz - 18 kHz Coverage angle: 90˚ conical DMT Nominal impedance: 8Ω Maximum SPL at 1 m (passive): 122 dB continuous and 128 dB peak HF transducer: 76 mm (3-inch) voice coil, compression driver LF transducer: 305 mm (12-inch) driver with 102 mm (4-inch) voice coil Dimensions (HWD): 26 × 15 × 13 in.

QSC AD-S282H T-BK is a Contemporary style, weather-resistant enclosure and components - ideal for a wide range of applications. Dual 8-inch, 2-way system - in a lightweight, multipurpose enclosure featuring a heavy duty, powder coated aluminum grill. Frequency Response (-6 dB) : 80 Hz - 27.7 kHz Nominal Impedance : 8 ohms Power Rating Passive : 450 W (IEC 8 hours) Nominal Coverage: 90° H x 60° V (-6 dB) (rotatable to 60° H x 90° V)