Bowers & Wilkins ASW608

The Bowers & Wilkins ASW608 is the most compact member of the 600 Series subwoofer range — a precision-engineered active subwoofer that delivers low-frequency performance of extraordinary authority and control from an enclosure small enough to integrate discreetly into any listening space. Where lesser compact subwoofers sacrifice definition for output, the ASW608 refuses that compromise entirely — its 200mm long-throw driver, 200W Class D amplifier and Kevlar®-reinforced bass diaphragm combine to produce bass that is simultaneously powerful and precise, fast and deeply extended, physical and articulate. This is B&W's uncompromising approach to low-frequency reproduction applied to the most space-conscious design in the 600 Series.

Martins Hi-Fi is the second oldest Bowers & Wilkins dealer in the world, and the ASW608 is a subwoofer we recommend with complete confidence for both music and home cinema systems.

200mm Long-Throw Driver

The ASW608's 200mm bass driver is engineered for exceptional excursion — moving far greater volumes of air than its diameter alone would suggest, delivering the deep, room-pressurising low frequencies that music and cinema demand without the distortion that characterises under-engineered compact subwoofer designs. Long-throw geometry allows the driver to maintain linear behaviour across its full range of movement, ensuring that bass remains controlled and defined even at demanding output levels. The result is low-frequency reproduction that is physically present without being bloated — drum kicks land with genuine impact, bass lines retain their pitch definition, and cinematic effects arrive with the scale and authority the original mix intended.

Kevlar®-Reinforced Bass Diaphragm

The ASW608's driver diaphragm is constructed from a precisely engineered combination of paper pulp, Kevlar® fibres and resin — the same material philosophy that defines Bowers & Wilkins' approach to drive unit construction across the entire product range. This composite construction delivers the exceptional stiffness required to withstand the tremendous physical forces exerted by the voice coil and the pressures generated inside the cabinet, whilst maintaining the internal damping needed to suppress resonance and colouration. The diaphragm moves as a perfect piston across its operating range — deformation is minimised, bass precision and dynamic impact are maximised.

200W Class D Amplification

The ASW608's 200W Class D amplifier is specified not merely for output, but for the quality of that output — delivering the current and dynamic headroom required to drive the long-throw bass driver with absolute authority whilst maintaining the efficiency that keeps the unit running cool under sustained high-level operation. Class D amplification in the ASW608 is not a cost compromise; it is the correct engineering choice for a subwoofer amplifier that must combine high output, thermal stability and audio transparency in a compact chassis.

Flexible Integration

The ASW608 integrates seamlessly into both stereo music systems and multi-channel home cinema configurations. Variable low-pass filter, phase control and input level adjustment ensure precise calibration to any room and any partnering loudspeaker system. If your system demands greater output or deeper extension, the Bowers & Wilkins ASW610 offers the next step up within the 600 Series, whilst the DB4S and DB2D represent the pinnacle of B&W subwoofer engineering for the most demanding installations.

Technical Specifications

Who Is It For?

The ASW608 is the ideal choice for listeners who want to add genuine low-frequency authority to a compact stereo or home cinema system without sacrificing room space. It suits smaller listening rooms, apartments and secondary home cinema installations where the larger DB Series subwoofers would overwhelm the space — delivering B&W's characteristic bass precision and control in the most accessible 600 Series package.

Buying from Martins Hi-Fi

Martins Hi-Fi has been in Norwich since 1968. Elizabeth Gould runs the business today, and we stock only brands we have heard properly and stand behind. As the second oldest Bowers & Wilkins dealer in the world, our knowledge of B&W subwoofer integration is extensive — we can advise on placement, calibration and the optimal subwoofer for your room size and partnering speakers. Speak to Dave, Chris or Tim about your system requirements, or visit our Norwich showroom to discuss how the ASW608 could transform your listening experience. Contact us at info@martinshifi.co.uk, call 01603 627010, or WhatsApp on 07554 687137. You can read more about how we work on our Why Martins Hi-Fi page. We are at 85–91 Ber Street, Norwich, NR1 3EY.