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Box Volume 1.43cu ft. Box Tuning 39Hz 231 mm / 9.09 in Port Diameter 4in 265 mm / 10.43 in Port Length 13in QW1000/10D4 - QW1000/10S4 QW1000/10S4 Sealed Enclosure QW1000/12D4 - QW1000/12S4 Box Volume 1.15cu ft. Ported Enclosure Box Volume 1.43cu ft.
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QW1000/10D4 QW1000/10S4 QW1000/12D4 QW1000/12S4 appreciation of fine musical reproduction. Whether adding to an existing system or (Re) including a Quantum Audio subwoofer in a new system, you are certain to notice (fo) 34.4 Hz 32.0 Hz 28.1 Hz 24.9 Hz immediate performance benefits.