Dell Slim Soundbar for Monitor - SB521A - Nominal Output Power: 3.6 Watt, Frequency Response: 180 - 20000 Hz, Speaker Type: Active, Amplifier: Integrated, Design Features: Built-in magnetic mount, Recommended Placing: Under-the-monitor, Connector Type: USB (4 pin USB Type A), Compliant Standards: Plug and Play. Designed For P2721Q, P3221D, P3421W; UltraSharp U2421E. World?s slimmest and lightest soundbar offers exceptional audio clarity and easy magnetic attachment to your Dell monitors, ensuring a clutter-free desk. With the world?s slimmest and lightest soundbari, you get to enjoy rich and crystal-clear audio with powerful 3.6W RMS speakers offering a wide frequency response range of 180Hz to 20kHz. Stay productive and never miss a call or an alert again. The soundbar magnetically snaps on to your Dell monitori, allowing you to tilt, swivel and pivot your monitor in any direction, without getting in the way. The soundbar's USB cable plugs neatly to the USB-A port at the back of the monitor, so it's hidden from view. The Dell Slim Soundbar offers easy installation requiring no software, power cord, and batteries. Simply plug in the soundbar cable to your monitor's USB-A port. Safeguard your soundbar by locking it with the included security chain and an external lock (lock not included). A 3-year warranty offers you added peace of mind. Compatibility: Dell UltraSharp 24 USB-C Monitor - U2421E, Dell 27 4K USB-C Monitor - P2721Q, Dell 32 USB-C Monitor - P3221D, Dell 34 Curved USB-C Monitor - P3421W. What's in the box: Dell Slim Soundbar - SB521A, Security chain and Documentation. Warranty: 3 Years