Hertz X 170
Uno Series 6-3/4" 2-way car speakers
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Hertz Uno X 170 | 6.7" 2-Way Coaxial Speakers
The Hertz Uno X 170 is a high-performance 170mm (6.7") coaxial speaker designed to provide a massive audio upgrade for vehicles with oversized factory openings. Part of the high-efficiency Uno series, these speakers are engineered to deliver a rich, high-SPL sound even when powered by a standard factory head unit. With a specialized tweeter faceplate for superior off-axis response, the X 170 ensures every passenger enjoys a clear and linear musical experience.
Product Highlights
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Optimized Off-Axis Response: The tweeter faceplate is specifically designed to maintain high-frequency clarity even when the speakers are mounted low in doors or at odd angles.
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High-Efficiency Design: A sensitivity of 93.5 dB means these speakers extract maximum volume from minimal power—perfect for OEM radio upgrades.
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Water-Repellent Cone: The pressed-paper cone is treated to resist moisture, ensuring long-term durability in the demanding environment of your vehicle's door panels.
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Punchy Low End: Despite its shallow mounting depth, the combination of a high-flux ferrite magnet and foam surround provides an extended and energetic low-frequency response.
Key Features
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PEI Dome Tweeter: Equipped with a neodymium magnet for crisp, detailed highs that cut through road noise without becoming harsh.
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Large Voice Coil: Features a 25 mm (1") woofer voice coil for high dynamic power handling and thermal stability.
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Abrasion-Resistant Basket: The DIN-size basket is protected by a special dust paint that resists scratches and corrosion.
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Easy Installation: The slim profile and standard DIN sizing make these a "drop-in" replacement for most 6.7-inch factory locations.
Technical Specifications
| Feature | Specification |
| Speaker Size | 170 mm (6.7 in.) |
| Design | 2-Way Coaxial |
| Power Handling (Continuous) | 50 Watts RMS |
| Power Handling (Peak) | 200 Watts |
| Impedance | 4-Ohm |
| Frequency Response | 60 Hz – 21,000 Hz |
| Sensitivity | 93.5 dB SPL |
| Tweeter Magnet | Neodymium |
| Woofer Magnet | High-density Flux Ferrite |
What’s In The Box?
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(2) Hertz Uno X 170 6.7" Coaxial Speakers
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(8) Mounting screws
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(8) Speed clips
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Owner’s manual
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Warranty information
What Others Are Saying
Eddie was great - SDCS installed a new head unit in my 2019 4Runner. He was honest in his opinions regarding the options I was considering. Pricing was also good - he was able to reuse some of my existing installation kit so I saved a bit of $$.Installation was clean and fast and he took the time to walk through the features before I left. Highly recommend!!
I had a great time at this shop! The staff really knows their stuff and took the time to explain the different options without pressure. Installation was quick, clean and professional. Everything looks factory and sounds amazing. The prices were fair and customer service was above and beyond. I highly recommend this place if you're looking for quality car audio and excellent service.
Those guys are really professional! I had a new Alpine floating head unit installed in my 2008 Mercedes, and it feels like a brand-new car. The installation was super clean. At first, the sound wasn’t the same as the factory stereo, but Kevin tuned it to be just as good—if not better—without adding any new amps. They even used my factory GPS antenna so I don’t have extra wires hanging out. On top of that, they matched the online price. Big thanks to Kevin and Eddie—highly recommended!
Kevin was awesome, he took his time and explained everything to me. I went in initially for a dash cam install and then decided to get a sub and amp installed as well. Both turned out great and will be returning if I need more work done.
Came In not knowing what to expect when suddenly my stereo stopped working. Spoke with Kevin in the front and after a VERY fast diagnosing they discovered my wiring was incorrect. After only about 45 minutes total being in the store I was on my way to the beach with a working stereo again! Thank you so much SDCARSTEREO
Highly recommend Kevin and the team at San Diego Car Stereo for any issues with aftermarket stereos. I bought a car with an aftermarket stereo and AC unit that wasn’t working properly—specifically, the heat wasn’t functioning due to an improper setup. I had several people look at it with no luck, and even the dealership basically refused to help because it was an aftermarket install. I came to Kevin and his team over the holidays feeling pretty defeated, but he was confident he could get the heat working before I headed back to a Colorado winter. Sure enough, he got it done.
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.