The JVC CS-J620 is a 2-way coaxial speaker with a diameter of 16 cm (6.5") and is delivered with a protective grille, unlike the CS-J620X. With a peak power of 300 watts and an RMS of 30 watts, it delivers powerful, clear sound into the vehicle's interior. Frequency response: 35–22,000 Hz, impedance: 4 Ohms.