Kit Car audio 2-way system tweeter / woofer / 450W filters 2-way audio system for audio systems consisting of: 2 woofers, 2 tweeters and 2 2-way crossover filters. Screws and tweeter cables included. Woofer features Model: IP-SC600 EAN code: 6009818860329  Peak power: 450W Impedance: 4 Ohm Frequency range: 65Hz-21KHz Inch size: 6.5" Spool size: 1 " Diameter with grid: approx. 18cm    Tweeter Features Silk dome tweeter  Peak power: 250W Diameter: 5.57cm about Depth: about 3cm Filter size Length: 10cm Width: 6.5cm Height: 3cm