Hertz, X690 Uno


Available for pre-order

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.

Power Handling - Peak W 340
Power Handling - Continuous W 85
Impedance  4
Frequency response Hz 45 ÷ 22k
Sensitivity dB SPL 94
Woofer size mm (in.) 6 x 9
Tweeter size mm (in.) 40 (1.6)
Supertweeter size mm (in.) 2 x 15 (0.6)
Woofer Voice Coil Ø mm (in.) 25 (1)
Tweeter voice coil Ø mm (in.) 20 (0.8)
Woofer magnet High density flux ferrite
Tweeter magnet Ferrite
Woofer cone Water-repellent pressed paper
Tweeter dome PEI
Supertweeter dome PEI


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.