Hear every on-screen rumble or explosion with the Krix Cyclonix 18 Passive, as it recreates the lowest possible audible frequencies for the ultimate cinema experience at home. For those who prefer a subwoofer with no built-in amplifier, the Cyclonix Passive provides a passive subwoofer experience, using a high-excursion bass driver mounted in a high-quality MDF enclosure. The proprietary Krix ‘X’ brace system is used to eliminate panel resonances. The giant 455mm bass driver features a 100mm voice coil, a powerful vented magnetic circuit and double spider assembly. The optimum cooling system provides fast heat exchange and reduced thermal power compression. The dual front-vented enclosure is tuned to achieve maximum output, resulting in an incredibly efficient subwoofer for high drive level applications, while the unit’s proprietary Krix rubber feet provide improved acoustic isolation on hard and soft floor surfaces. A separate power amplifier is also required for this subwoofer and can be connected to the LFE output of any AV processor or receiver. We recommend the LEA range of power amplifiers for the Cyclonix passive range of subwoofers For the ultimate cinema experience at home, play it through Krix. Krix Cyclonix 18 Passive Specifications: Frequency Range20Hz-250Hz in-room response Amplifier Power250 – 1400 Watts RMS recommended amplifier power Output127dB maximum SPL in-room response Inputs200 amp proprietary terminal posts, accepting up to 6mm diameter cable Enclosure TypeBass reflex, front-firing vents Dimensions1200mm high x 670mm wide x 405mm deep Low-Frequency DriverSingle 455mm (18”) paper cone driver. 100mm (4”) edge-wound copper voice coil, dual spider assembly and vented magnet assembly Sensitivity100dB SPL – 2.83V at 1m Weight 62kg each