A box-within-a-box design contributes to a delightfully impressively sonic signature.
Sit down and listen to Q Acoustics’ Concept 20 and I think you’ll agree that it’s hard to believe these two-way speakers sell for just $500 a pair. From their glossy lacquer finish (available in black or white) to their carbon-fiber woofers and ferrofluid-cooled tweeters, you’d think they’d cost much more.
The Concept 20’s signature feature is their cabinet-within-a-cabinet design. The enclosures are fabricated from MDF (medium-density fiberboard)—a material valued for its neutral acoustic properties—but in this case, the cabinets have inner- and outer walls of MDF bonded together by a layer of adhesive that never quite sets. Dubbed Gelcore construction, Q Acoustics says this design allows the kinetic energy produced by the drivers to be dispersed as heat, so that it doesn’t color the speakers’ audio reproduction.
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