The first-gen Mojo changed the DAC game, producing immersive, desktop-grade audio on the go. The second edition is better still, thanks to a raft of upgrades, including a USB-C port, better battery ...

Apple's M3 iMac has an improved digital to audio converter and supports high-impedance ... although some music fans may disagree: the best headphone DACs and amps do more than just put out power.