Sennheiser MM 450-X Review
Sennheiser's MM 450-X ($449.95 direct) is a headphone pair that seemingly does it all. It's wired, it streams wireless Bluetooth audio, and has active noise cancellation circuitry. From an audio standpoint, the MM 450-X offers excellent performance whether wired or in Bluetooth mode. The NoiseGard active cancellation feature is a bit less effective, bringing some audible hiss into the equation and, on some tracks with deep bass, adding in distortion at top volumes. If noise cancellation is your top priority, there are better options out there, but if you're primarily interested in Bluetooth and the noise cancellation is merely a convenient extra feature, the MM 450-X is worth your attention.
DesignThe MM 450-X($279.99 at Best Buy) has a lightweight, supra-aural (on-ear) design. The black plastic ear cups swivel at joints just above the ear for a more precise fit, and the pads and headband are thoroughly cushioned. A metallic band with the Sennheiser logo etched on it runs through...
The versatile-but-not-flawless Sennheiser MM 450-X is a Bluetooth headphone set that also has active noise cancellation and the ability to be used as a wired pair.
Excellent audio performance with crisp, articulate highs; Supports Bluetooth and active noise cancellation; Lightweight design; Can be used as a wired pair
Noise cancellation emits audible hiss, causes some distortion on deep bass tracks at high volumes when engaged; Quite expensive; Slightly uncomfortable over long listening periods