Reference 6.5 inch 2-way Component System with Separate X-Over 50 WRMS Reference series RCS6.2 is a 16,5 cm (6,5") 2-way component. The cone is made of wowen glass fibre with rubber surround giving this speaker set a good sound.A small installation depth (45 mm)makes them fit most vehicles.Filter boxes with selectable tweeter level.25 mm silk dome tweeter with copper rings.Grilles are included.Specifications Woofer size 16,5 cm (6,5")Tweeter RC25, 25 mm (1") silk dome tweeter with copper ringsPower handling capacity 50 W RMS / 90 W max / 180 W peak powerImpedance 4 ohmFrequency range 55 - 22.000 HzSensitivity 86 dB (1W/1m)Outer diameter of woofer 165 mm (6,5")Cone material Wowen glass fibresMagnet size 80 mm (3,15"), hybrid FE / NdCrossover Box filter with 6/12 dB slope (LP/HP)Crossover point (Hz) 5500 HzSize of filter box 125 x 95 x 34 mmMounting depth 45 mm ( 1,77")Mounting hole 146 mm (5,75")T/S parameterssingle V/C Fs Hz Re Ohm Qms Vas liter Vas Cuft Qes Qts Sd cm² BL EAN Bar code 7331644821601