Sony Ericsson's SA-F67 and SA-K37 boom stereos are all quite good. Sony Ericsson SA-K37 is a 15-inch tri-band outdoor audio with mobile lever. It is equipped with a remote speaker sound generating unit and a full-frequency loudspeaker, which not only has a large sound transmission area, but also has a very long transmission distance. Whether in crowded places or when dancing in square dance, its sound is very penetrating and heavy.
Sony Ericsson SA-F67 has 8-inch bass and 1.5-inch treble. You can use a wireless microphone for karaoke, and it also has recording and playing functions. The speaker is equipped with wireless Bluetooth, which has very fast transmission speed, wide sound coverage and long transmission distance. It can be interconnected with most audio devices. The speaker is equipped with a remote control, which is very convenient.