E-MU XM7 Passive Bookshelf Speakers, Black Wood Grain Custom designed 5-inch woofer with oversized magnet structure and shielding creates a tight bass response Specially doped 1-inch high-efficiency silk dome tweeter for soothing, clear and detailed highs Quality wooden enclosure minimizes acoustic resonance and gold-plated binding posts assuring a solid connection to the Sound Blaster X7's amplified outputs via bare wires or banana plugs With the Sound Blaster X7, configure the XM7 to your listening preference: Energetic - Default (for movies and games), Neutral - Monitoring / Flat (for reference and monitoring use), Warm - Easy listening / Rich bass (for pure audiophile music enjoyment)