Modrange Power Acoustik 4"</br>Frequency Response: 450Hz-10kHz</br>Mounting Depth: 1.75"</br></br>Product Description</br></br>We are an authorized Power Acoustik dealer! The Power Acoustik XPS-104 4" mid-range speaker features a max power of 120 watts and a RMS of 60 watts. Other features include 4-ohm impedance?? 92dB efficiency and a magnet weight of 15 oz. Grill Included. 1 Year Manufacturer Warranty.</br><br/>http://www.amazon.com/gp/product/B000AQ8OFC