JVC CS-V428, 2-way, 200 W, 4 Ω, 70 - 25000 Hz, Ferrite, 4.5 cm JVC CS-V428. Speaker type: 2-way, Peak power: 200 W, Impedance: 4 Ω. Mounting depth: 4.5 cm, Weight: 440 g, Tweeter diameter: 2.5 cm. Woofer magnet type: Ferrite, Sound pressure level (max): 88 dB