Philips Fidelio A3 / A5 / A9 is a premium collection of high-definition wireless speakers for the home that provide an unlimited stream of music from smartphone, Mac, PCs and via Internet radio. The stylish and distinctive diamond-shaped cabinets provide tight and deep bass reproduction and cater for a very wide sweet-spot. Top of the range is the Fidelio A9, a pair of stereo speakers fitted with six transducers, while the Fidelio A5 is a stereo monobloc unit featuring two soft-dome tweeters and two mid-woofers in a bass-reflex enclosure. The Fidelio A3 is a compact two-way stereo speaker with a soft-dome tweeter and compact woofer.