The "BEHRINGER_2902_X64_2.8.40" is a legacy designed for Behringer's entry-level USB audio interfaces that use the Burr-Brown PCM2902 chip. While Behringer now officially recommends the generic ASIO4ALL driver for these devices, many users still seek this specific version because it provides a proprietary ASIO connection that often results in lower latency and more stable performance than generic options. Key Details and Hardware Support

Unlike class-compliant drivers, this allows Windows to recognize the device as a "Line Input" rather than just a microphone, which can simplify stereo recording in non-DAW software like Audacity. Why People Use It

Large-scale live sound engineers, Broadway-style theater, and recording studios needing 64-in/64-out USB interfacing without paying Pro Tools HDX prices.

The is a legacy native ASIO driver package specifically designed for 64-bit Windows systems to support several of Behringer’s entry-level USB audio interfaces. While Behringer currently recommends the third-party ASIO4ALL driver for these devices, many users seek out version 2.8.40 because it provides native hardware support, often resulting in lower latency and more stable performance in Digital Audio Workstations (DAWs). Overview and Purpose

Some users report crackling or static on modern Windows 10/11 builds. If this occurs, it is recommended to revert to ASIO4ALL or the Windows default class-compliant driver. [SOLVED] Behringer Uphoria UM2 Windows finds no driver