B&W 607 S2 Anniversary vs. KEF Q150

Bowers & Wilkins 607 S2 Anniversary Edition Speakers KEF Q150 Bookshelf Speakers
$800 $600
Dimensions (H × W × D)
11.81” × 6.50” × 9.13”
300mm × 165mm × 232mm
11.92” × 7.08” × 10.94”
303mm × 180mm × 278mm
Power Type
Passive Passive
Frequency Response
52-28,000 Hz 51-28,000 Hz
ASR Score
3.2 4.8
ASR Score w/Subwoofer
5.3 6.9

Key Takeaways

TLDR Summary: In the realm of compact audiophile speakers, the B&W 607 S2 Anniversary Edition and KEF Q150 each tell a different sonic story. The 607 S2 offers a richly detailed soundscape with its Continuum cone technology and improved crossovers, celebrating B&W's legacy. Meanwhile, the KEF Q150 shines with its Uni-Q driver array, delivering an expansive soundstage and seamless integration. The B&W is poignant for classical and acoustic lovers seeking intimate detail, while the KEF appeals to those craving a more enveloping experience. Both are standouts, yet your preference might hinge on whether you prioritize precision or immersion.

Speaker Comparison

When we delve into the realm of high-fidelity audio, few things excite the senses like a pair of well-crafted bookshelf speakers. In this space, two names stand out for their commitment to sonic excellence: Bowers & Wilkins and KEF. Specifically, the Bowers & Wilkins 607 S2 Anniversary Edition and the KEF Q150 speakers represent a peak in compact speaker design, offering exquisite sound to the discerning listener. Today, we're here to compare these two auditory titans, exploring how each brand's unique philosophies and technologies influence their sound.

The Legacy and Design

Bowers & Wilkins is no stranger to the audio scene, with a legacy of creating speakers that blend technical prowess with timeless design. The 607 S2 Anniversary Edition carries this tradition forward, showcasing a refined look that is as much about performance as it is about aesthetics. The Continuum cone technology, a hallmark of B&W's approach to sound reproduction, promises a cleaner and more accurate performance. In contrast, KEF's Q150 boasts a modernistic approach with its Uni-Q driver array, which positions the tweeter in the acoustic center of the midrange cone. This innovative design enhances the three-dimensional soundstage and produces a detailed and cohesive audio experience across a wide listening area.

Bowers & Wilkins 607 S2 Anniversary Edition Speakers
B&W 607 S2 Anniversary arrow (at Amazon.com)

Sound Characteristics

Turning to the sound, Bowers & Wilkins' 607 S2 Anniversary Edition impresses with its rich midrange and sparkling highs, a result of their dedicated Decoupled Double Dome tweeter. The sound signature is warm yet precise, with a depth that belies the speaker's compact size. The bass is robust for a speaker of this stature, though it may benefit from pairing with a subwoofer in larger rooms. On the other hand, the KEF Q150 exhibits a remarkable balance across frequencies thanks to its Uni-Q driver, which ensures that treble and midrange elements are not only clear but also seamlessly integrated. The Q150s provide a slightly more neutral sound profile, with bass that is tight and controlled, though, like the 607 S2, may also be complemented by a subwoofer for those craving a deeper low-end presence.

Spatial Performance and Versatility

Both the Bowers & Wilkins 607 S2 Anniversary Edition and the KEF Q150 excel in creating an expansive soundstage. The 607 S2s offer a more directional sound, which can be advantageous for critical listening as they carve out a precise and intimate soundstage with pinpoint imaging. Conversely, the KEFs deliver a broader dispersion of sound, thanks to the Uni-Q driver, giving the listener more flexibility with seating arrangements without sacrificing audio fidelity. This makes the Q150s particularly well-suited for a diverse range of spaces, from small apartments to sizeable living areas.

KEF Q150 Bookshelf Speakers
KEF Q150 arrow (at Amazon.com)

In terms of versatility, both sets of speakers are remarkably adaptable. The Bowers & Wilkins speakers provide a lush and engaging listening experience whether you are enjoying classical music, jazz, or rock. They are equally at home in a stereo setup or as part of a home theater system. The KEF Q150s, while also versatile, shine with their ability to render vocals and intricate details with incredible clarity, making them a great choice for vocal-centric music and cinematic dialogues.


Ultimately, choosing between the Bowers & Wilkins 607 S2 Anniversary Edition and the KEF Q150 bookshelf speakers comes down to personal preference and listening habits. The 607 S2 Anniversary Edition is a testament to Bowers & Wilkins' longstanding tradition of producing speakers with rich, powerful sound and a strong sense of musicality. KEF's Q150, meanwhile, is a paragon of contemporary speaker design, offering a more neutral sonic palette and a wide soundstage that is sure to impress both audiophiles and casual listeners alike.

Whether you opt for the detailed and intimate experience of the Bowers & Wilkins or the expansive and balanced performance of the KEF, both speakers are sure to elevate your listening experience. Each set of speakers is a fine example of what can be achieved when engineering prowess and a passion for music come together, and both are worthy contenders for the centerpiece of your home audio system.

Check Current Prices:

Bowers & Wilkins 607 S2 Anniversary Edition Speakers
Bowers & Wilkins 607 S2 Anniversary Edition Speakers
KEF Q150 Bookshelf Speakers
KEF Q150 Bookshelf Speakers

Affiliate Disclosure: As an Amazon Associate, we earn from qualifying purchases.

Disclaimer: the speaker data listed on this website are correct to the best of our knowledge, but we do not guarantee the accuracy of the data. Please double-check any measurements with the manufacturer before making a final purchasing decision.