Of course, the built-in speaker when the Thunderbolt Display and iMac are already better than other built-ins. And HiFi or high-end there is not also with this piece here. It's a great compromise and offers on the dock has the charm that one can be iPhone (30pin) directly load and synchronize. The LS Goes well with the Mac. The sound is as I said okay. The bar logs as USB Device to - little trick saves time when searching: the LS off, then an iPhone is synchronized and can play on the Philips App. If you want to use the LS as USB Device, you have to turn it on. The good news is that everything can be change either back and forth. I'm very satisfied.