Hi‑End 7.1 Audio Interface – ASUS Xonar D2

Indicates the total number of independent audio channels that a product can produce or process, including sub‑channels such as those used in surround sound configurations (e.g., 5.1, 7.2). The value may be an integer or a decimal to represent fractional channel groups.

The span of frequencies, expressed in hertz (Hz), that a device can operate within or respond to. It may be given as a single value, a numeric range (e.g., "20 000‑50 000 Hz"), or an open‑ended interval such as "2.4 GHz+" indicating the lower bound only.

Represents how many separate headphone output ports a product provides, such as the number of 3.5 mm jacks or other audio connectors available for headphones or earphones.

List of physical or logical interfaces that allow communication between a host device and other components, such as USB, PCI Express, SATA, M.2, Ethernet, Thunderbolt, or similar standards.

Indicates whether the product is designed to be installed inside a computer system, such as an internal hard drive, SSD, or network card. A value of "Yes" means it can be mounted within the chassis; "No" indicates it is intended for external use.

Indicates whether the product has a line‑in input, i.e., a port that accepts analog audio signals from external sources such as microphones or other devices. A value of "Yes" means the input is present; "No" means it is not.

Indicates whether the product includes at least one built‑in microphone. A value of "Yes" means that the device has an integrated microphone, while "No" indicates it does not.