Terratec Phase 24FW ( 24 Bit/192 kHz Recording Interface) FireWire. Audio quality: 24 bit, Audio output channels: 4.1, Line-out Signal-to-Noise Ratio (SNR): 111 dB. Host interface: FireWire. Bundled software: -Native Instruments Traktor DJ. -Steinberg WaveLab Lite.. Weight: 82 g. Minimum RAM: 256 MB