Wharfedale WH-2BLK Center-Channel Speaker (Black) (Discontinued by Manufacturer) 2-Way Center Channel Speaker 1" Dome Tweeter (Ferrofluid Cooled) Twin 4" Long Throw Polymer Woofers Power Handling: 120 Watts RMS Efficiency: 88dB (1 Watt / 1 Meter) and Frequency Response: 65Hz - 20kHz