Cambridge SoundWorks MegaWorks 510D Computer Speakers Combine with Sound Blaster Audigy or Sound Blaster Extigy for 24-bit, 96kHz support over 3-channel SPDIF 500 Watts dynamic power for a thunderous mind-blowing experience 95dB Signal-to-Noise Ratio for incredible clarity Capsule shielded satellites with extremely high-strength rare-earth magnet, boosts low end output and eliminates stray magnetic fields Volume control mounts on any desktop satellite stand and also allows separate placement