The Hertz CX690 is an oval coaxial speaker measuring 6x9 inches (17x23 cm), designed for car audio systems and specifically for installation in shelf spaces. The three-way design features a neodymium tweeter magnet and a high-performance ferrite main magnet, ensuring efficient performance and durability. The power handling is 100 watts RMS and 300 watts maximum with an impedance rating of 4 ohms. The frequency range extends from 40 Hz to 22 kHz. With a sensitivity of 93 dB SPL, the speaker delivers clear sound reproduction even at high volumes. Made in a black finish, it has a mounting depth of 79 mm, making it suitable for various vehicle configurations. This speaker is designed for reliable sound reproduction, focusing on linear output and controlled response for a consistent listening experience in automotive environments. It belongs to the Cento series and is aimed at users seeking improved audio quality without exaggerated claims, emphasizing practical benefits and long-term reliability in everyday use.