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Description
Hertz UNO X690 - 6 x 9" 4-Way Coaxial SpeakerFor our fans seeking strong emotions who have a 6x9 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)
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 Ω 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
- Double 15 mm piezoelectric super-tweeter with PEI dome to extend the frequency response above 20 kHz.
- 40 mm PEI tweeter with ferrite motor, for a brilliant reproduction of mid-high frequencies and compactness.
- Tweeter and super-tweeter faceplate optimized for exceptional off-axis performance.
- High stiffness metallic-grey finish pressed-paper cone with water-repellent treatment.
- Foam surround combining high sensitivity and deep bass response.
- Pure copper 25mm (1 in.) voice coil woofer for high dynamic power handling.
- High flux density 80mm (3.15 in.) ferrite magnet for a powerful undistorted sound.
- Easy-to-install DIN size basket protected by abrasion-resistant dust paint.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 3
Pillows
These are to soft and and I wanted firm pillows
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Wonderful Pillows
The description is totally accurate—they’re incredibly soft and cozy.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Just as Expected
Great pillows, exactly what I wanted.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Great for side sleepers
It always seems hard to find the perfect pillow when you’re a side-sleeper. This one is great. It comes compressed so you will want to allow some time for it to fully fluff back up. The cover is soft and smooth. I love that it isn’t overstuffed. It provides gentle support and a lot of comfort. I was worried it may be too warm since it is polyester, but it is very breathable and I have not had any issues with feeling overly warm on it. It fits a standard size pillow case. It’s not overly stuffed like some other pillows I’ve tried that were specifically for side-sleepers. I think this world be a great pillow for any sleeping position, really. I wasn’t expecting to love a pillow this affordable, but it gets the job done and I get a good night of sleep. I’ll be purchasing some more for our guest room.
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Reviewed in the United States on May 10, 2025
★★★★★ 5
Incredibly Comfortable and Supportive — My New Favorite Pillow！
I wasn’t expecting to love this pillow as much as I do, but the DIORIS large sleeping pillow really exceeded my expectations. From the first night, I noticed a difference in the way my neck and shoulders felt in the morning—less tension, better alignment, and overall more restful sleep.
The fill is just the right balance between plush and supportive. It doesn’t flatten out during the night, which is a problem I’ve had with other pillows, especially those that come overstuffed or too soft. This one holds its shape well but still has that cozy, cloud-like feel when you lay your head on it.
I’m a side and back sleeper, and this pillow works beautifully in both positions. It’s also large enough that I don’t feel like I’m falling off it during the night, but not so big that it takes over the whole bed.
One suggestion: if you’re picky about loft, you might want to give it a gentle fluff or adjust the fill before your first night. But honestly, I didn’t need to do much—it was pretty much perfect out of the bag.
Highly recommended if you're looking for a high-quality, comfortable, and generously sized pillow that supports a great night’s sleep!
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Reviewed in the United States on May 9, 2025