Portable sound systems and earphone reviews

The days of carrying a jumpy portable discman and chunky CD wallet around the trail are long gone, with thousands of hi-tec gadgets competing with each other to accompany you on your next run. But with so many to pick from, where the hell do you even start? We've done the hard work for you by putting eight portable sound systems through their paces. All you need to do is pick your favourite then crank up the volume.