1. 2003 SONY MOBILE PRODUCT GUIDE e 4x 10 Polypropylene Woofer Cone e 1 13 16 Paper Cone Tweeter e 150W Peak Power 35W RMS e Drop in Replacement for 4 x 10 Speakers XS W4121 2 way Speaker Speaker Coaxial 2 way Woofer 10 x 25 cm 4 x 10 in cone type Tweeter 4 5 cm 1 13 16 in cone type Peak power 150 watts Rated power 35 watts Impedance 4 ohms Sensitivity 91 dB W m Frequency response 30 23 000 Hz Mass Approx 770 g 1 Ib 11 oz per speaker mes Unit mm in 262 10 3 8 242 9 5 8 Design and Specitications subject to change without notice ONY