Sigma USB SoundWave 7.1 interface cards/adapter

USB SoundWave 7.1 - Black - USB - USB audio adapter – easily add sound to any notebook or desktop computer.
- Virtual 7.1 channel surround sound provides home-theater quality surround sound via headphones or stereo speakers.
- Built-in amplifier for rich and powerful sound.
- Reduces unwanted static and noises from D/A processing.
- Places speakers to preferred positions without moving actual speakers via Speaker Shifter utility.
- Xear software offers 27 environment effects and 3 environment sizes, plus a 10-band preset equalizer.
- Plug & Play compatible.
- No power adapter needed, obtains power from the USB port.