Hertz C 165 L
Cento 6-1/2" component woofers (pair)
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Hertz C 165 L | Cento Series 6.5" High-Excursion Woofer
The Hertz C 165 L is a specialized 165 mm (6.5") woofer designed for listeners who crave a warmer, more natural sound with superior low-end extension. While other speakers in the Cento line focus on general efficiency, the "L" (Loud/Low) version prioritizes a deeper frequency response by utilizing non-pressed paper—a material chosen specifically for its ability to deliver solid, controlled bass even during the most demanding musical passages.
Product Highlights
Non-Pressed Paper Cone (NPP): The use of water-repellent non-pressed paper gives the C 165 L a distinct acoustic signature. This organic material provides a more natural timbre and a smoother transition into the mid-frequencies compared to synthetic cones.
High-Excursion Design: Engineered for movement, the magnetic group has been enhanced to allow for a wider stroke. This specific wide-stroke voice coil allows the woofer to maintain utmost control at high excursion levels, providing a powerful, distortion-free "punch."
Optimized Motor Assembly: Driven by a high-density flux ferrite magnet and low-carbon polar plates, the motor assembly is built to handle significant power while maintaining the thermal stability required for consistent performance.
NRT (No Resistance Technology): The aerodynamic geometry of the basket and the high-damping materials used in the surround minimize air resistance and mechanical noise, ensuring that every watt of power is converted into pure, clean sound.
Key Features
Superior Low-End Extension: With a frequency response dipping down to 50 Hz, these woofers provide a fuller sound stage that can often reduce the immediate need for a subwoofer in smaller vehicle cabins.
Durable Construction: The woofer basket is protected by a resistant coating, and the cone is treated to be water-repellent, making it ideal for the harsh, damp environments typically found inside car doors.
High Power Handling: Rated at 80 Watts RMS, the C 165 L is robust enough to take full advantage of high-quality aftermarket amplifiers, though it remains efficient enough to improve the performance of premium factory systems.
Linear Performance: The combination of the specialized cone and a 25 mm (1") voice coil ensures that the speaker remains linear and predictable across its entire frequency range, preventing the "muddy" sound often associated with basic factory woofers.
Technical Specifications
| Feature | Specification |
| Speaker Size | 165 mm (6.5 in.) |
| Component Type | High-Excursion Woofer |
| Power Handling (Continuous) | 80 Watts RMS |
| Power Handling (Peak) | 240 Watts |
| Impedance | 4-Ohm |
| Frequency Response | 50 Hz – 5,000 Hz |
| Sensitivity | 91 dB SPL |
| Woofer Mounting Depth | 2.46 in (62.5 mm) |
What’s In The Box?
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(2) Hertz Cento C 165 L High-Excursion Woofers
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(8) Mounting screws
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(8) Speed clips
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Owner's manual
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.