The price of HDMI over fiber optic converters can vary widely depending on the features and specifications of the device. Generally, basic models with lower transmission distances and resolutions can be found for around $100 to $200, while more advanced models with longer transmission distances and higher resolutions can cost several hundred to several thousand dollars. Some factors that can impact the price of HDMI over fiber optic converters include the transmission distance, resolution, audio support, compatibility with different equipment, ease of installation, and brand reputation. Additionally, some manufacturers may offer additional features or services, such as technical support or warranty coverage, which can affect the price. It's important to carefully consider the required specifications and features before choosing an HDMI over fiber optic converter, as selecting a device that doesn't meet the requirements may result in poor performance or compatibility issues. It's also important to compare prices and read reviews from other users to ensure that the chosen device offers good value for the price.