Bring immersive, cinematically vertical Dolby Atmos sound or surround sound optimised for Q Series speakers home with the Q50a Dolby Atmos-Enabled Surround Speaker. Equipped with the latest Uni-Q driver array and other advanced technologies, dynamics is excellent while response is accurate and clean. MODEL Q50a DESIGN Two-way Closed Box DRIVE UNITS 130mm (5.25in.) aluminium Uni-Q 25mm (1in.) vented aluminium dome HF FREQUENCY RANGE FREE FIELD (-6dB) 96Hz-19.5kHz FREQUENCY RESPONSE (±3dB) 105Hz-18.5kHz CROSSOVER FREQUENCIES 2.5kHz MAXIMUM OUTPUT 106dB AMPLIFIER REQUIREMENTS 10-100W SENSITIVITY (2.83V/1m) 86dB NOMINAL IMPEDANCE 8 Ohms (min.4.6 Ohms) DIMENSIONS (H x W x D) Measurement per unit 174 x 180 x 259 mm 178 x 180 x 259 mm with rubber feet WEIGHT 4.25kg (9.4 lbs) Measurement per unit UNIT MEASUREMENT Pair