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Description
Hertz MPX 690.3 PRO Mille PRO Series 6"x9" 3-Way Car SpeakersThe Hertz MPX 690. 3 PRO Mille PRO Series 6"x9" 3 Way Car Speakers offer a premium sound experience that will elevate your car audio system to new heights. Designed with audiophiles in mind, these speakers combine innovative technology, premium materials, and powerful performance to deliver an immersive, dynamic listening experience. If you're looking for superior sound reproduction in your vehicle, the MPX 690. 3 PRO is the perfect solution. Key
The Hertz MPX 690.3 PRO Mille PRO Series 6"x9" 3-Way Car Speakers offer a premium sound experience that will elevate your car audio system to new heights. Designed with audiophiles in mind, these speakers combine innovative technology, premium materials, and powerful performance to deliver an immersive, dynamic listening experience. If you're looking for superior sound reproduction in your vehicle, the MPX 690.3 PRO is the perfect solution.
Key Features:
-
3-Way Design for Full-Range Sound:
The MPX 690.3 PRO features a 3-way configuration, incorporating a 1-1/2" Tetolon Dome Tweeter and a 1" Tetolon Supertweeter, extending the frequency range and providing a detailed, expansive soundstage. This design ensures a smooth transition between lows, mids, and highs for a natural, full-range sound. -
Enhanced Woofer Design:
The 6"x9" woofer is constructed from pressed pulp with cotton fiber, combined with a Boundary Free rubber surround to enhance air movement and produce more impactful bass. This innovative woofer design allows for accurate and deep low frequencies, ensuring you feel the power of the sound as much as you hear it. -
Superior Damping for Clearer Sound:
The MPX 690.3 PRO speakers are engineered with superior damping, which reduces resonance and distortion for a clearer, truer-to-life sound. This ensures that every note is faithfully reproduced, bringing out the emotional depth of your music. -
High Power Handling:
With a 130 watts RMS power handling capability (and a peak power handling of 260 watts), these speakers deliver dynamic performance even at high volumes, making them ideal for driving your car audio system with clarity and impact. -
Wide Frequency Response:
The MPX 690.3 PRO offers an impressive frequency range of 30 Hz – 24,000 Hz, covering both the deepest lows and the highest highs for a complete and balanced sound profile. -
High Sensitivity:
With a sensitivity rating of 94 dB, the MPX 690.3 PRO speakers are capable of delivering loud, clear sound with minimal power loss, ensuring maximum output with less distortion.
Specifications:
- Speaker Size: 6"x9"
- Driver Design: 3-Way
- Woofer Material: Pressed Pulp with Cotton Fiber
- Woofer Surround: Rubber (Boundary Free)
- Tweeter Design: 1-1/2" Dome (Tetolon)
- Supertweeter Design: 1" Dome (Tetolon)
- Impedance: 4 Ohms
- Sensitivity: 94 dB
- Frequency Response: 30 Hz – 24 kHz
-
Power Handling:
- RMS: 130 watts
- Peak Power: 260 watts
- Top-Mount Depth: 3-9/16 inches
- Bottom-Mount Depth: 3-11/16 inches
- Cutout Diameter: N/A
- Mounting Height: 0.835 inches
- Grilles: Included (Black steel mesh with black plastic frame and gray plastic trim)
The Hertz MPX 690.3 PRO Mille PRO Series 6"x9" 3-Way Car Speakers are the ultimate choice for those seeking exceptional sound quality in their vehicle. With a combination of advanced design, premium materials, and high power handling, these speakers deliver deep, accurate bass, clear midrange, and sparkling highs, ensuring an immersive audio experience. Whether you're upgrading your existing car audio system or building a new one, the MPX 690.3 PRO speakers will transform the way you listen to music on the road.
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
4.1 ★★★★★
Based on 1959 reviews
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Product Reviews
★★★★★ 5
Perfect Sofa-Side Charging Hub
Size: 5FT, Color: White 2prong, Size: 5FT, Color: White 2prong
I picked this power strip mainly to use next to my sofa, where I usually charge my tablet, phone, and laptop while relaxing in the evening. Having 11 AC outlets and multiple USB ports in one place has made that corner much more organized, and I no longer have chargers scattered everywhere.
The layout is well thought out. Larger plugs don't block neighboring outlets, and the flat angled plug fits nicely behind furniture. The 5-foot cord gives enough flexibility to position the strip where it's most convenient. I also like having both USB-A and USB-C ports available for smaller devices. For phones, tablets, earbuds, and similar electronics, the built-in USB ports have been very useful.
For my everyday use, charging personal devices and powering small electronics, the unit has performed as expected. The overload protection switch and built-in safety features provide additional peace of mind.
Overall, this has been a practical solution for adding more outlets to an older two-prong receptacle while keeping my charging area tidy and easy to access.
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Reviewed in the United States on June 2, 2026
★★★★★ 1
Major Safety Red Flag! 3 Prong Outlets, 2 Prong Plug, This Does Not Provide A Grounded Connection!
Size: 5FT, Color: White 2prong, Size: 5FT, Color: White 2prong
This power strip has a compact design, a convenient outlet layout, and USB ports, so on the surface it looks useful. The patented three-row layout is clever for spacing the outlets, but that only applies to how the outlets are positioned. It does not change how the strip is actually powered or protected.
The problem is the safety design. It has 11 three-prong outlets, but the wall plug itself is only two-prong. Without a ground prong, it is not grounded. The two flat prongs are hot and neutral only, so this does not provide the grounded protection that the three-prong outlets appear to suggest.
That also makes the surge protection claims highly questionable to me. A real grounded surge protector should have a grounding path for excess surge energy. With only a two-prong plug, I would not trust this to provide the kind of surge protection people generally expect when plugging in electronics or grounded devices.
The manual mentions surge protection, ground protection, short-circuit protection, over-current protection, over-voltage protection, over-heat protection, and UL 1363 safety standards, but I could not find any visible UL, ETL, or similar safety certification mark on the unit or paperwork. The only marking I saw was FCC, which is not the same thing as electrical safety certification. Given the two-prong plug and three-prong outlets, those protection claims feel dubious at best and misleading at worst.
The USB charging is also underwhelming. The total USB output is listed as 24W, which is not much for today’s devices, especially when that power is shared across multiple ports. We frequently use 35W or higher from a single USB charger, so I would not buy this for fast or modern device charging either.
Because of the two-prong plug paired with three-prong outlets, I will absolutely not use this. I do not want a power strip that makes devices appear protected or grounded when they are not. For me, this is not a small design issue. It is a serious safety concern.
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Reviewed in the United States on May 20, 2026
★★★★★ 3
Convenient Design but Raises Some Safety Concerns
Size: 5FT, Color: White 2prong, Size: 5FT, Color: White 2prong
As other reviews have mentioned, this power strip does not provide true grounding protection. It allows devices with three-prong plugs to connect through a two-prong wall outlet, but the strip itself still relies on a two-prong connection. Because of that, I think it’s important to understand the potential safety limitations before using it, especially with higher-powered electronics.
It does offer a large number of outlets and USB ports, which is convenient for older homes with limited access to modern plugs. However, considering the price, there are safer and more reliable alternatives available that may be a better long-term choice.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Great little power strip.
Size: 6 Outlets, Style: Desk Socket - White
I used this in my garage as a battery charging station for all my cordless tools. BONUS that is has USB & USB-C that charges my flashlight and phone when I need to plug in! It's super easy to mount.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Perfect just what I was looking for!
Size: 6 Outlets, Style: Desk Socket - Black
This product is great! I bought it to mount under my new desk. It comes with two-sided sticky tape which worked out great. Now all my cords are hidden! perfect.
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Reviewed in the United States on March 24, 2026