140-watt 2-way speakers are compact yet powerful, so they're the perfect addition to any audio system 1" silk dome tweeters and 4" Kevlar drivers provide crisp highs and a balanced mid-range for true-to-life sound Bluetooth 4.2 with Qualcomm aptX technology delivers smooth streaming from your mobile device RCA input allows you to connect any of your analog devices Automatic standby and power-up modes help to save energy when you're not listening and resume seamlessly when you're ready to play User-friendly interface uses a single knob to control volume, switch between inputs, and activate or deactivate standby mode Included remote control allows you to adjust volume, input, tone, and balance from anywhere in the room