The Valkyrie uses JVCKENWOOD's K2HD technology, which promises to restore the warmth and emotion of analogue recordings to your digital audio. There are two modes here, K2 and K2HD – the former ...

In the world of portable speakers ... 72 watt-hour battery that can be fast-charged to full in three hours using the included 15-volt, 6-amp power supply. Groundbreaking bass aside, one of ...