The Sony SRS-7RZ is a three-star speaker. Now, if you’re the sort of person who has to have the best, you can stop reading. This wireless speaker isn’t going to make it past your front door.

But if you’re interested in the details of a product and want to map the peaks and troughs of this speaker like a cartographer might explore terra nova, then read on.

There’s quite a lot that this speaker does well, its only failing is that its sound isn’t up to the best at its price.