The days of cheap, flimsy portable speakers with tinny sound quality and puny power outputs are well and truly a thing of the past. Today, there is no shortage of great sounding, high-spec portable Bluetooth units on the market, and they’re increasingly available at a price that won’t break the bank. Now, into the fray has entered a real beauty from Bayan Audio – the new Soundbook. But how does the offering from this little…