Volunteer Audio

Hertz – X 690 X690


6X9 Inch Full-Range Coaxial Speaker
  • 0.6″ PEI Super Tweeter
  • 1.58″ PEI Dome Tweeter
  • Maximum Power – 340W, RMS Wattage – 85W, Impedance – 4 Ohm
  • More Features!

10 in stock

SKU: X 690 Categories: , ,


Speaker Features

Hertz X 690 Full-Range Coaxial Speaker

Speaker Features

X 690

Uno coaxials

For our fans seeking strong emotions who have a 6”x9” OEM setup, Hertz offers the X 690, a 4 way monster with a power handling of 340 W. The double 15 mm piezoelectric super-tweeter with PEI dome extends the frequency response above 20 kHz, maximizing the stereo image.


  • 1. Double 15 mm piezoelectric super-tweeter with PEI dome to extend the frequency response above 20 kHz.
  • 2. 40 mm PEI tweeter with ferrite motor, for a brilliant reproduction of mid-high frequencies and compactness.
  • 3. Tweeter and super-tweeter faceplate optimized for exceptional off-axis performance.
  • 4. High stiffness metallic-grey finish pressed-paper cone with water-repellent treatment.
  • 5. Foam surround combining high sensitivity and deep bass response.
  • 6. Pure copper 25mm (1 in.) voice coil woofer for high dynamic power handling.
  • 7. High flux density 80mm (3.15 in.) ferrite magnet for a powerful undistorted sound.
  • 8. Easy-to-install DIN size basket protected by abrasion-resistant dust paint.

Speaker Specifications


Hertz X 690 Full-Range Coaxial Speaker

Speaker Design 4-Way
Woofer Woofer Size 6X9 Inch
Woofer Cone Material Carbon Paper
Woofer Surround Material
Tweeter Tweeter Size 1.58
Tweeter Dome Material PEI
Tweeter Design Dome
Super Tweeter Super Tweeter Size 0.6
Super Tweeter Dome Material PEI
DC Resistance (Ω) 4 Ohm (Ω)
Peak Power (Watts) 340W
Continuous Power (RMS) 85W
Sensitivity 94 dB SPL
Effective Frequency Range 45-22,000 Hz
Mounting Hole Diameter X (162.31 mm X 153.92 mm)
Top Mount Depth 2.95
Bottom Mount Depth 3.58
Grille No

Additional information

Weight 5.37 lbs
Dimensions 15.00 × 6.50 × 11.50 in



6X9 Inch