But, where the Roberts features a CD player alongside its DAB/FM reception and iPod dock, the Pure goes without CD playback and counters with internet radio.
Your £250 buys iPod connectivity (including iPhone – in 'airplane' mode), wireless connectivity, DAB/FM radio, 3.5mm in- and outputs, remote control, two 3in full-range drivers and a 5.25in downward-firing sub driven by a claimed 75W. It's glossily finished and well built.
iPod secured in the cradle, the Pure sounds punchy and composed. Headhunter's Physics Impulse (a 128kbps file) is a martial test of timing and attack, but the Avanti Flow is unfazed.
FM, and to a lesser extent DAB, reception is equally laudable. Radio broadcasts are crisp, spacious and poised. The Pure is a tenacious tuner, picking up signals in obscure parts of our listening rooms where other radios give up the ghost.
More after the break
Internet radio is the party piece, though, and here too the Avanti Flow scores highly. Easy to navigate and uncomplicated, the Pure is a simple link to a whole world of radio, from Venezuela to the Vatican – providing you have a wireless network to attach it to.
Aside from a lack of outright volume, there's very little here worthy of censure. If a three-piece micro system doesn't appeal but internet radio does, you'll need to put this on your shortlist.