These speakers have been thoroughly tested and work perfect and just like every other harmon product they sounds awesome and are super durable please view all photos before purchase and message if you have questions

The Harman Kardon PC Desktop Computer Speakers Model A00 CN-04N567-48220-31k is a tested model from 2012 that is compatible with various brands like Apple, ASUS, and HP. This 2.0 channel portable speaker system has an oval shape in black color, made of plastic material. With audio inputs including stereo L/R RCA and 3.5mm jack, these wired speakers offer a sleek design and quality sound for your desktop computer setup. The package includes 2 speakers and a power supply, making it a convenient and reliable choice for enhancing your computer audio experience.