Sennheiser PXC 550-II Review: Can Sennheiser hold its weight in the ANC category?Written by Ng Jun Long (@ngjl14) (Tech360.tv Community Creator) Sennheiser released the upgrade to the PXC 550, the PXC 550-II,
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Amazon.com: Sennheiser PXC 550 Wireless – NoiseGard Adaptive Noise Cancelling, Bluetooth Headphone with Touch Sensitive Control and 30-Hour Battery Life : Electronics