Hertz CX 165
Cento Series 6-1/2" 2-way car speakers
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Hertz CX 165 | Cento Series 6.5" 2-Way Coaxial Speakers
The Hertz CX 165 represents a major engineering feat in coaxial design. Part of the Cento line, these speakers are specifically tuned to overcome the acoustic challenges of difficult factory mounting positions. By utilizing a Tetolon® dome tweeter—a material typically found in high-end home audio—and a specialized SPP-M woofer cone, the CX 165 delivers a level of musicality, detail, and "air" that standard plastic or paper drivers simply cannot match.
Product Highlights
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Tetolon® Dome Tweeter: The 24mm (0.9 in.) soft fiber dome provides a more natural, detailed high-frequency response than traditional metallic or plastic tweeters.
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Optimized Off-Axis Listening: The tweeter’s faceplate and geometry are engineered to ensure you hear a full, balanced soundstage even when the speakers are mounted low in the doors.
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SPP-M (Semi Pressed Paper-Mica) Cone: This composite material offers the perfect balance of lightness and damping, ensuring accurate midrange and punchy, controlled bass.
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High Output Capability: With a high sensitivity of 93 dB, these speakers deliver impactful volume and clarity whether powered by a factory head unit or a dedicated amplifier.
Key Features
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Oversized Voice Coil: A 25 mm (1") woofer voice coil ensures high thermal stability and better control over the cone's movement for lower distortion.
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Neodymium Tweeter Magnet: Provides a high-energy magnetic field in a compact size, contributing to the tweeter's precision and efficiency.
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High-Density Flux Ferrite Magnet: The woofer's motor assembly is designed to provide powerful, steady energy for deep, linear low-frequency reproduction.
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Advanced Cooling: The design facilitates air circulation around the motor to prevent thermal compression during extended, high-volume listening sessions.
Technical Specifications
| Feature | Specification |
| Speaker Size | 165 mm (6.5 in.) |
| Design | 2-Way Coaxial |
| Power Handling (Continuous) | 70 Watts RMS |
| Power Handling (Peak) | 210 Watts |
| Impedance | 4-Ohm |
| Frequency Response | 55 Hz – 22,000 Hz |
| Sensitivity | 93 dB SPL |
| Woofer Magnet | High-density Flux Ferrite |
| Tweeter Dome | Tetolon® |
What’s In The Box?
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(2) Hertz CX 165 6.5" Coaxial Speakers
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(2) Integrated 24mm Tetolon® Tweeters
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(8) Mounting screws and speed clips
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Owner’s manual
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Warranty documentation
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.