Hertz Cento CX 165 6.5 Inch 16.5cm 2 Way Car Door Coaxial Speakers 70w RMS Pair
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The Hertz Cento CX 165 is a pair of 6.5 inch (165 mm) 2-way coaxial car speakers rated at 70W RMS and 210W peak, with a 24 mm Tetolon dome tweeter. They form part of the Hertz Cento range, designed for upgrading factory door speaker positions.
Key specifications
- Size: 165 mm (6.5 in.)
- Type: 2-way coaxial
- Power handling: 70W RMS, 210W peak
- Impedance: 4 ohm
- Frequency response: 55 Hz to 22 kHz
- Tweeter: 24 mm Tetolon dome with 13 mm voice coil, neodymium magnet
- Woofer voice coil: 25 mm (1 in.), aluminium former
- Weight: 0.95 kg per speaker
Hertz CX 165
165 mm (6.5 in.) | Coaxials | 210W peak | 4 ohm
Designed for enthusiasts upgrading factory speakers
Coaxial speakers are a significant engineering challenge — OEM mounting positions are rarely ideal for sound reproduction. Hertz's R&D team developed the Cento CX 165 to deliver high performance within these real-world constraints.
The CX 165 features a 24 mm Tetolon® dome tweeter for a more musical and detailed sound than traditional plastic dome tweeters. Dispersion is optimised for off-axis listening, and the SPP-M (Semi Pressed Paper-Mica) cone provides strong acoustic performance with effective damping. If you're considering a component alternative at a similar size, the Hertz Dieci DSK 165.3 is a 6.5 inch 2-way component set rated at 80W RMS.
- Soft Tetolon® fibre 24 mm (0.9 in.) dome tweeter with 13 mm (0.5 in.) voice coil cooled with ferrofluid, for extended and natural high frequencies.
- RHFC™ (Rotary High Frequency Contour) tweeter — angled and directable towards the listener for accurate frequency response in any installation.
- Tweeter faceplate geometry optimised using FEM simulations (Finite Element Modelling) for a linear frequency response in off-axis installations.
- 25 mm (1 in.) woofer coil with aluminium former for high excursion and power handling.
- 165 mm (6.5 in.) SPP-M (Semi Pressed Paper-Mica) cone enhanced with Mica powder for an excellent balance between lightness and damping.
- High-density flux ferrite magnet with low-carbon polar plates to reduce distortion at high power levels.
- Compact three-spoke basket combined with a rubber magnet cover to damp spurious vibrations.
- Optional grille: ABS plastic structure with metallic finish and protective metal mesh.
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Specification
| Power Handling | - Continuous W 70 |
|---|---|
| Power Handling | - Peak W 210 |
| Impedance | Ohm 4 |
| Frequency Response | Hz 55 ÷ 22k |
| Weight | of one speaker kg (lb.) 0,95 (2.09) |
| Cone | Semi-pressed paper+ Mica |
More specs
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What's Included
- Two 2-way Speakers
- Eight 3/4" Screws
- 8 Speed clips
- Owner's manual (English/ Spanish/ French/ German/ Italian/ Portuguese/ 28 Others)
- Template on box
Hertz
About the Hertz CX 165
From our tech experts at CEN
Hertz Cento series 6.5 inch coaxial pair, with the tweeter in the centre of the woofer, rated at 70w RMS.
Who it suits
Drivers replacing tired factory speakers who want a clear improvement without complication.
Our tech experts advise
Sizes, adapter rings and harnesses vary by vehicle, year and trim, so we confirm what your car takes before ordering rather than guessing. Door treatment matters as much as the speaker itself, and an amplifier will get far more out of these than a head unit can. Installation is priced per vehicle, so get in touch with your make, model and year and we will confirm what it needs. See car audio installation.
Explore the full Hertz range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Hertz
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Frequently Asked Questions
Q: Will these speakers fit my car?
A: Most car speakers are standard sizes, but mounting depth and fitting rings vary by vehicle. Check the size in the Specification tab against your vehicle, or contact CEN with your registration and we will confirm fitment and any adapters or fitting kits you need.
Q: Do I need an amplifier to run these speakers?
A: Not always. Most speakers will run from a standard head unit, but a dedicated amplifier lets them perform at their best, particularly for component sets and higher power handling models. The RMS figure in the Specification tab is the guide to how much clean power they can use.
Q: What is the difference between coaxial and component speakers?
A: Coaxial speakers combine the tweeter and woofer in one unit for a simple like-for-like upgrade. Component sets separate the tweeter and woofer with a crossover for better imaging and detail, and suit installs where sound quality is the priority.
Q: Do these come as a pair?
A: Unless stated otherwise, car speakers are sold in pairs. Check the product title and What's Included tab, which lists exactly what is in the box.
Q: Can CEN fit these speakers for me?
A: Yes. CEN offers professional installation from our Nottingham premises. Contact us to book an installation slot or ask for a fitting quote.
Q: How many watts can the Hertz Cento CX 165 handle?
A: Each speaker is rated at 70W RMS continuous and 210W peak at 4 ohms.
Q: Are grilles included with the CX 165?
A: No. Hertz offers a grille with an ABS plastic frame, metallic finish and protective metal mesh as an optional extra.
Q: What comes in the box with the CX 165?
A: Two 2-way speakers, eight 3/4 inch screws, eight speed clips, the owner's manual and a mounting template printed on the box.
