Activenoise AN-RG-LN3, versitile noise cancelling device. Connect separate microphone and up to 6 speakers (or buy it as an ActiveNoise kit), and start to cancel out your noise right away.
This device has two tulip style audio outlets and three microphone jacks to connect up do three speakers. The power is 5W on each outlet. Note that this item only provides the device, you have to buy the microphone and speakers separately