NPET CS20 Computer Speakers 2.0 Channel

USB Powered Supply and 3.5mm Audio Output Do not hiss when the audio jack is used. Maybe you would hear a slight hiss on low volumes when it is not plugged in as well, which is normal phenomenon. If it has constant buzzing, try a separate powered USB ports and make sure the audio jack is plugged in as well. Extremely Loud Volume and Enhanced Bass Built-in Dual 5W High-Sensitive Drivers and Passive Radiator that allow for extremely louder sound, greater dynamic range, improved bass and lower distortion. NPET CS20 2.0 USB-Powered Wired Computer Speaker for Desktop or Laptop Deeper low-end performance and more detailed sound produces consistently clear, full sound at any volume. Suitable to position them around your PC or laptop to get the right sound that's best for you. Note: 3.5mm Male To 2 Ports 3.5mm Female Cable Included USB powered supply and 3.5mm audio output, plug and play. Convenient 3.5mm audio interface for headset/mic. Volume control/headphone jack on front