PSM3 Weather-proof Mini SystemWiring: Attach the included wiring to your source unit or amplifier. If yourequire more length, splice the exposed wiring from the insulated cable to yoursource unit or amplifier using 18 gauge wire. KICKER recommends protectingthe splice with heat shrink tubing. Attach the Rear Badge over the M5x40Screw.SpecificationsWoofer [in, mm] 3, 75Frequency Response [Hz] 100 - 15,000Power Handling [PEAK/RMS] 100/50Sensitivity [1W, 1m] 85 dBNominal Impedance [Ω] 2 or 4Weight [oz, g] 20, 570Height [in, mm] 4-3/4, 120Width [in, mm] 3-3/8, 86Depth [in, mm] 3-7/8, 98Fits Handle Bar Sizes [in,mm]1-1/4, 321, 257/8, 22Contains:(2) PSM Speaker(2) PSM Enclosure(2) Upper Clamp(2) Lower Clamp(2) Speaker MountO-Ring(2) M5 O-Ring(2) Washer(2) M5x40 Screw(2) M8X20 Screw(4) M5x16 Screw(2) Rear Badge(4) Small Adapter(4) Large AdapterFrost Clear: Negative Frost Blue - Positive3