The gift of Helix keeps on giving – the new 3.1 firmware update of Line 6's hugely successful series of amp and FX modellers adds a new amp and five effects to an already huge array of onboard tones.

A sensible, practical and ultimately exhilarating take on the Helix Stomp format, the XL's extra footswitches makes it more naturally suited to live performances than its smaller counterpart and yet ...