Bowers & Wilkins Matrix 3

At 29kg, these floorstanders don’t just sit in the room — they stake a claim, their dense cabinets refusing to give an inch to vibration or flex.

Overview

The Bowers & Wilkins Matrix 3 is a floorstanding passive loudspeaker from the British firm’s influential Matrix series, a line developed to attack one of high-fidelity’s most persistent problems: cabinet resonance. While exact production dates remain undocumented, the Matrix series as a whole was introduced in the mid-1980s, positioning the Matrix 3 as a product of that era’s push for acoustic neutrality. The speaker belongs to a family defined more by structural innovation than flash, built for listeners who valued accuracy over aesthetics.

The design centers on B&W’s proprietary Matrix bracing system, an internal honeycomb framework of interlocking panels that transforms the cabinet walls from resonant surfaces into inert, dead structures. The result is a chassis so rigid that knocking on it reportedly hurts the knuckles — a tactile testament to its over-engineered nature.

The Matrix 3 exists in at least two iterations — referred to in the market as Series 1 and Series 2 — though the exact technical differences between them are not detailed in available documentation. Listings confirm the existence of both "Matrix 3 Series 1" and "Matrix 3 Series 2," with some sellers specifying upgrades like new tweeters or fresh foam surrounds. The speaker’s presence in today’s secondary market suggests enduring respect, with users encouraged to “read the very good reviews on the internet,” though no formal contemporary critiques are cited in the source material.

Specifications

Manufacturer	Bowers & Wilkins
Model	Matrix 3 Series 2
Type	Floorstanding
Impedance	4 Ohms
Drivers	1 x 25mm metal domed tweeter, 2 x 200mm polypropylene cones
Dimensions	260 x 910 x 410mm
Weight	29kg / 63.8lbs
Frequency Response	43Hz - 35kHz
Sensitivity	90dB
Type	Passive

Key Features

Matrix Bracing System with Honeycomb Internal Panels

The defining innovation of the Matrix 3 is not its drivers or crossover, but its cabinet. B&W’s Matrix bracing system replaces conventional internal bracing with a three-dimensional honeycomb of interlocking panels, effectively turning the enclosure into a rigid monocoque structure. This design directly targets cabinet resonance — long considered a source of sonic smearing — by ensuring that panel vibrations are damped before they can radiate sound. The effect is immediate to the touch: a rap on the side of the cabinet feels less like striking wood and more like hitting a dense composite block.

25mm Metal-Domed Tweeter with Dual 200mm Polypropylene Woofers

The driver complement consists of a single 25mm metal-domed tweeter paired with two 200mm polypropylene-cone woofers. The metal dome offers extended high-frequency response, reportedly reaching up to 35kHz, well beyond the limits of human hearing but potentially beneficial for transient accuracy and air. The dual woofers suggest a design focused on bass authority and reduced distortion, though the exact loading is not specified. The use of polypropylene for the mid-bass cones points to a balance of stiffness and damping, a material choice that became common in mid-to-high-end speakers of the period for its consistent performance and resistance to environmental changes.

4 Ohm Nominal Impedance with 90dB Sensitivity

With a nominal impedance of 4 ohms and a sensitivity of 90dB, the Matrix 3 presents a moderate load that demands a capable amplifier. The 4-ohm rating means it will draw more current than an 8-ohm speaker, potentially challenging budget or underpowered amplifiers, especially during dynamic peaks. However, the 90dB sensitivity helps offset this, ensuring reasonable volume levels without extreme power demands. System matching is key: owners will want amplifiers known for stable operation into lower impedances,

Collectibility & Value

The Matrix 3 has maintained a quiet but steady presence in the used market, with recent asking prices varying significantly based on condition and series. Listings show a pair of "B&W Matrix 3 Series II" selling for $385, while another pair of Series 2 models in walnut veneer with new tweeters was offered at $680. Unspecified "Matrix 3" models have been listed as low as $400, with European prices ranging from €200 to €350. These discrepancies suggest that condition, finish, and component refurbishment — particularly tweeters and surrounds — heavily influence value. A noted observation from Dutch forum Htforum.nl mentions that the woofer surrounds were “tight and like new,” implying that foam degradation is a known failure point and that intact surrounds are a positive sign. As with many vintage speakers, recapped crossovers and refreshed drivers may be necessary for long-term reliability, though no specific failure rates or service histories are documented.