This 4-channel PCI sound card delivers high quality, multi-channel audio capability and supports Full-Duplex operation for simultaneous recording and playback. The sound card includes a microphone port for applications requiring audio input (voice chat etc.), two audio output ports for rich, clear sound, a Line-In port for simple connection of auxiliary devices, and for the gamer, the card includes a midi port for using your serial joysticks/gamepads. Providing a reliable, high quality audio experience, the 4-channel PCI sound card is backed by StarTech.com's Lifetime Warranty.