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Hertz Cento 6" x 9" Coaxial Speaker-CX 690

Model #: CX 690
At a Glance

The three-way elliptical coax CX 690 featuring a 6×9 in. cone was designed to achieve maximum performance in horizontal installations and offering, even in this difficult condition, an exceptional tone balance and power handling.

Available in Store Only

Get to know this product.

CG 690 grile Provided

Composed by a high-resistance ABS plastic support and metal mesh, to ensure a high degree of protection with a Hi-tech design.

  • 1. 6×9 in. semi-pressed paper elliptical cone SPP-M (Semi Pressed Paper-Mica) enhanced with Mica powder for an excellent balance between lightness and damping.
  • 2. Wide rubber suspension engineered for a long excursion and excellent sound damping.
  • 3. High-density flux ferrite magnet combined with low-carbon polar plates for reduced distortion at high power levels.
  • 4. Basket with metallic finish acoustically combined with a rubber magnet cover for total damping of spurious vibrations.
  • 5. 40 mm (1.58 in.) dome tweeter for efficient distortion-free mid-high frequency reproduction.
  • 6. 20 mm (0.8 in.) dome supertweeter to maximize the level of very high frequencies in horizontal installations.
  • 7. Tweeter faceplate geometry optimized with FEM simulations (Finite Element Modeling), to provide an extremely linear frequency response in off-axis installations.
  • 8. Provided elegant grille made with high-resistance ABS plastic structure with a metallic finish combined with a protective metal mesh.


SPP-M (Semi Pressed Paper-Mica) cone enhanced with Mica powder for an excellent balance between lightness and damping.



Power Handling - Peak W300
Power Handling - Continuous W100
Impedance ?4
Frequency response Hz40 ÷ 23k
Sensitivity dB SPL93.5
Woofer size mm (in.)(6 x 9)
Tweeter size mm (in.)40 (1.58)
Supertweeter size mm (in.)20 (0.8)
Woofer Voice Coil Ø mm (in.)30 (1.2)
Tweeter voice coil Ø mm (in.)28 (1.1)
Woofer magnetHigh density flux ferrite
Tweeter magnetNeodymium
Woofer coneSemi Pressed Paper-Mica
Tweeter domePEI
Supertweeter domePEI

Misc. Specs

Impedance4 Ohms
Manufacturer Warranty2 Year
Car Speaker Size6 x 9
Mounting Hardware IncludedYes
Rms Power Handling300
Water ResistantNo
Peak Power Rating (Watts)600
Shallow MountNo
WarningProposition 65 Warning for California Residents