High-resolution audio on the go isn’t very convenient. It typically involves wired headphones and a DAC (digital-to-analog converter) of some kind, plus your phone or another device to access files or a streaming service. All of this is necessary since Bluetooth compresses an audio signal by design, to allow for low-latency transmission and minimize battery draw. Simply put, wireless headphones haven’t been able to meet the demands of lossless audio, but Sennheiser has come the closest to fulfilling the dream with its HDB 630 ($500).
Thanks to redesigned drivers, a new acoustic platform and a dongle, the company offers up to 24-bit/96kHz audio on the HDB 630 — depending on
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