Built-in, high-efficiency Class D amplifier (60 watts x 2 speakers) so there is no need for outside amplifier or receiverjust plug into source and play
Frequency response: 45 Hz to 40 kHz
Bluetooth v 5.0 with Qualcomm aptX HD decoding for pairing capability to stream audio playback from compatible devices
Ideal general-usage bookshelf system for cell phones, tablets, laptops, TVs, Blu-ray players, CD players, DVD players, etc.
5.5 -in. aluminum alloy midrange bass and 1-in. advanced titanium dome tweeter in each speaker