If you're planning on pulling off an entire audio system in your home, but you still don't have the budget yet, start with this LG Electronics Music Flow H3 Wireless Speaker. A speaker that can work on its own, it can be easily expanded with other LG speakers for a comprehensive, multi-room, listening experience. Additionally, this speaker is equipped with Google Cast meaning you can easily stream music from almost all of your favorite apps. Being Wi-Fi and Bluetooth-enabled, it is easy to move around as you desire, not needing any wires to connect and operate.
Overall, this is a good speaker option for any in-home purpose, has a power output of 30W and has one channel, though it only receives 2.3 out of 5 stars by users on Amazon, with most claiming it is a great product in theory, but has a lot of connectivity issues, often needing to be re-synced.