4″ 2-way component set Power RMS / Max. 40 / 80 Watts Frequency response 100 Hz – 22,000 Hz Impedance 3 Ω Sensitivity 90.0 dB @ 2.83V / 1m 86.0 dB @ 1W / 1m Cone material TW: Silk dome M: W: Injected polypropylene with embedded carbon fibers Crossover Separate, 6/12 dB slope and tweeter protection Outer diameter TW: – 33.1 mm / 1.30″ – OE mount: 36 mm / 1.42” – flush mount: 42 mm / 1.65” – angle mount: 36 mm / 1.42” M: – W: 102.4 mm / 4.03″ Installation diameter TW: – 33.1 mm / 1.30″ – OE mount: 36 mm / 1.42” – flush mount: 36 mm / 1.42” – angle mount: – M: – W: 93 mm / 3.66″ Installation depth TW: – 9.8 mm / 0.38″ – OE mount: 16,8 mm / 0.66” – flush mount: 11 mm / 0.43” – angle mount: – M: – W: 45 mm / 1.77″ Dimensions crossovers 75.5 x 35.1 x 24 mm / 2.97 x 1.38 x 0.95” Scope of delivery 2 x Tweeter HELIX PF T20-S 2 x Woofer HELIX PF W100 2 x Two-part Flex-Crossover 6 x Tweeter mounting accessories 1 x Mounting material 1 x Instruction manual 1 x Mounting pattern