Harman Kardon is a leading name in the world of AV receivers. Its products are known for their quality, durability, and features. Some of the company's top product lines include the AVR 730 and AVR 630. These receivers are designed for those who want the best possible audio quality for their home theater systems. They offer features like Dolby Atmos and DTS:X support, 4K pass-through, and multi-room audio.