Sennheiser PXC-250 Review
Noise-cancelling technology was not new when Sennheiser’s PXC-250 portable headphone was released in 2005, but here was a cheap, practical, and stylish implementation of it. Sennheiser’s noise-cancelling technology is known as NoiseGardTM. The device works by two small microphones inside the earpieces sending any noise they detect to an amplifier, which then inverts the phase […]
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