Denon SC-N7 Speaker System (Optional Speaker for Denon RCD-N7 System) (Discontinued by Manufacturer) Compact 2-way bass reflex speaker system designed to compliment the Denon RCD-N7 System 4.75-Inch mid-bass driver combined with 1-inch dome tweeter Cabinet made of MDF and finished in semi gloss white Frequency response 45Hz - 40kHz (+, - 3dB) 6-Ohm nominal impedance