The KEF PSW4000 is a subwoofer designed to deliver robust and precise low-frequency sound. It features a long throw 300mm (12”) downward firing drive unit powered by a 500W class D amplifier. This model is part of the Reference Series, which ensures a technical and aesthetic synergy with other speakers in the lineup. The subwoofer utilizes a reflex enclosure design that enhances its acoustic performance. Key features include LFE and stereo inputs (both balanced and unbalanced), high-level stereo inputs, and an adjustable low pass filter. It also offers continuously variable phase and polarity adjustments, along with convenient radio remote control functionality. The PSW4000 is constructed with a cherry finish and measures 465 mm in height, 495 mm in width, and 495 mm in depth. With a weight of 38 kg, it is robust and can produce a bandwidth ranging from 25Hz to 250Hz with +/-3.0dB accuracy. Its performance allows it to seamlessly integrate with main speakers, enhancing their depth and presence. The subwoofer is known for its ability to deliver impactful sound for both music and home theater applications, possessing the power to fill large spaces with clean, deep bass.
