Helm Audio Bolt review: punchy high-quality audio that's ultra portable
Helm Audio Bolt: Two-minute review The Helm Audio Bolt USB DAC/headphone amp is small, perfectly formed and elegant in its simplicity. It’s equipped to make the sound coming out of your laptop or smartphone far better than it otherwise would be, and it’s priced to make its talents available to as many people as possible. Where high-resolution audio content is concerned, the Bolt is in its element – it can handle 32bit/384kHz, DSD256 and MQA stuff without alarms. It generates enough power to drive even quite tricky headphones to workable levels, and it’s small and light enough to accompany you even if you leave the house dressed for the summer. Best of all, it’s a very enjoyable listen that's in line with some of the best portable DACs . If you really push on, volume-wise, it can sound a little hard and two-dimensional, but in every other circumstance it’s a pleasure to hear. Detail levels are high, frequency extension is impressive at either end of the range, the soundstage it ...