The SoundMAX-class AD1985 audio codec features 6-channel 5.1 surround sound output, stereo microphone input, variable sample rate conversion (SRC), professional quality 103-dB output with 94-dB SNR, and analog enumeration capability. The software portion of SoundMAX 4 XL features the new AudioESP (Audio Enumeration and Sensing Process), which intelligently detects and identifies what types of peripherals are plugged into the audio I/O jacks and notifies users of potential inappropriate connections. Furthermore, there is a new and enhanced wizard, redesigned control user- interface, SoundMAX SuperBeam array microphone support, DLS2 MIDI synthesizer with Yamaha DLSbyXG sound set, 5.1 Virtual Theater surround sound, and support on all major game audio technologies including SoundMAX SPX, Microsoft DirectX , Microsoft DirectSound 3D , A3D, MacroFX, ZoomFX, MultiDrive 5.1, A3D and EAX