Sewell Direct Soundbox Pro External USB Sound Card, 24 bit 192 KHz Audio, 7.1 Channels Sound Cards SW-30415 Supports 7.1 channel output; front RCA connectors, 3 x 3.5mm stereo outputs: rear R/L, side R/L and center/subwoofer Playback supported at 24-bit 192/96/48/44.1 kHz, THD at -90 dB and SNR at 100 dB Recording supported at 24-bit 192/96/48/44.1 kHz, THD at -85 dB and SNR at 100 dB Recording inputs; 3.5mm line-in, 3.5mm mic-in and optical-in, two optical connectors for SPDIF input and output SIO audio driver for low-latency high-fidelity sound Supports 7.1 channel output; front RCA connectors, 3 x 3.5mm stereo outputs: rear R/L, side R/L and center/subwoofer Recording supported at 24-bit 192/96/48/44.1 kHz, THD at -85 dB and SNR at 100 dB Recording inputs; 3.5mm line-in, 3.5mm mic-in and optical-in, two optical connectors for SPDIF input and output SIO audio driver for low-latency high-fidelity sound