I went to the center of Ireland to get to the heart of how Sennheiser builds audiophile headphones and its legacy.

The SP4000 supports native playback of high-res PCM music up to 32-bit/768kHz and DSD512. It has built-in Bluetooth with ...

Have iFi raised the performance ceiling for portable Bluetooth DAC/Amps with the iDSD Valkyrie, or does the hefty "dongle" fall flat on its promises?