These Auditor 4-inch, two-way coaxial speakers deliver a maximum of 100 Watts to fill your vehicle with brilliant sound. You"ll get solid features like a polypropylene cone, Kapton former, and dual layer voice coil for a price that won"t break the bank. Drop some in place of your factory speakers as an upgrade or replacement, and enjoy. An ideal replacement for your factory speakers. 1-inch (25.5mm) voice coil on Kapton former. Click to enlarge. Rain cover integrated in basket. Click to enlarge. Grilles included. Click to enlarge. RIP 100C Features 100mm 2-way Coaxial Speakers These coaxials will reproduce your music with plenty of accuracy, replacing 100mm (4-inch) speakers, and with a mounting depth of just over 48mm. 1-inch (25.5mm) Voice-Coil on Kapton Former Ultra-heat-resistant Kapton means it can handle what you dish out. Dual Layer Voice Coil The dual layer voice coil helps provide high output with low distortion. Polypropylene Cone The 100C"s Polypropylene cone means good internal damping, for a smoother frequency response, along with weather-resistance suited for autos. High Rigidity Metal Basket Provides plenty of structural support. Rain cover integrated in basket. RIP 100C Specs Max. power: 100W Nom. power: 30W Sensitivity (2,83 V/1 m): 88dB Cone: Polypropylene Surround: Rubber Nom. impedance: 4 Ohms DC resistance: 3.4 Ohms VC Diameter: 25.5mm (1") Former: Kapton Layers: 2 Wire: Copper Magnet: 76 x 12mm (3 x 1/2 inches) Auditor: The Car Audio Spirit Auditor was born in France back in the "80s, to acknowledge that life is a party, and to fuel it with powerful sound. Auditor products are carefully designed with equal emphasis on quality sound and high reliability. Auditor offers a complete range, with consistent performance at a great price. Fire up the Auditor sound machine, and get the party started. What"s in the Box RIP 100C coaxial speakers (pair), Grilles, Installation kit