Hertz X 165 – 6.5" 220W Coaxial Car Speakers | Direct Factory Replacement
Tired of your factory speakers sounding flat and lifeless? The Hertz X 165 6.5" Coaxial Car Speakers are built for drivers who want real sound — clear, punchy, and distortion-free — without tearing apart their car for a complicated install. With 220W peak power and a frequency range of 60 Hz to 21 kHz, these speakers make an immediate difference the first time you hit play.
What is the Hertz X 165?
The Hertz X 165 is a 6.5-inch (165 mm) two-way coaxial speaker from Hertz's X- Uno Series range. It's built to drop straight into your factory speaker slot — no cutting, no fabrication. Inside, you get a neodymium tweeter and a high-sensitivity woofer working together in one compact DIN-size basket. It handles 55W RMS continuously and peaks at 220W at 4 Ohm, so it works great even with a stock head unit.
Why Choose the Hertz X 165?
Factory speakers are made cheap — that's just the reality. The Hertz X 165 is the fix. Whether you're stuck in city traffic or cruising on the highway, these speakers bring out the detail in your music that your stock setup was hiding. The tweeter faceplate is specially shaped so the sound stays balanced even when the speaker is angled away from you — which is exactly how door speakers are mounted in most cars. Everyone in the car hears it properly, not just the driver.
Key Features
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6.5" (165 mm) Two-Way Coaxial Design — Full-range sound from a single unit
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220W Peak / 55W RMS Power Handling — Works with stock and aftermarket head units
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4 Ohm Impedance — Compatible with virtually all car audio systems
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Neodymium Tweeter with PEI Dome (24 mm) — Sharp, clear highs without harshness
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Optimized Tweeter Faceplate — Consistent sound even at off-axis listening angles
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Water-Repellent Pressed-Paper Cone — Handles door humidity without degrading
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Foam Surround — Good sensitivity and solid bass response together
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25 mm Pure Copper Voice Coil Woofer — Handles power cleanly without distorting
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80 mm High Flux Density Ferrite Magnet — Strong, accurate bass drive
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DIN Size Basket — Fits most factory 6.5" speaker cutouts directly
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Abrasion-Resistant Dust Paint Finish — Basket stays protected over time
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Frequency Response: 60 Hz – 21 kHz — Bass, mids, and highs all covered
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Xmech: ±3.5 mm — Controlled cone movement for clean bass at volume
Advanced Technologies
Neodymium Tweeter Magnet: Neodymium is one of the strongest magnet materials out there. Hertz uses it in the 24 mm tweeter so it can be small and light while still driving the dome with plenty of force — giving you crisp, detailed highs without a bulky tweeter assembly.
PEI Dome Tweeter Diaphragm: PEI (Polyetherimide) is a tough, heat-resistant plastic that's also great for audio. It's stiff enough to move air accurately at high frequencies but doesn't add the metallic edge you get from aluminium or titanium domes. The result is smooth, natural-sounding highs.
Water-Repellent Pressed-Paper Cone: The woofer cone is treated to push moisture away — important for door speakers that deal with humidity every day. This keeps the cone stiff and consistent so the sound doesn't change as the speaker ages.
High Flux Density Ferrite Magnet: The 80 mm ferrite magnet keeps a strong, steady magnetic field around the 25 mm voice coil. More flux density means faster, tighter bass response and less distortion when you push the volume up.
Foam Surround: Foam lets the cone move freely while keeping it controlled. It's more flexible than rubber, which means better sensitivity (more volume from less power) and deeper bass — both at the same time.
DIN-Standard Basket: DIN sizing is the global standard for factory speaker dimensions. The X 165 basket is built to these specs so it fits most OEM cutouts without any modification. The dust paint coating keeps it from rusting or scratching over time.
Benefits
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Hear what you've been missing — 60 Hz to 21 kHz coverage means bass, mids, and highs all come through clearly
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No amp needed — 4 Ohm, 55W RMS works perfectly with your existing head unit
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Quick, clean install — DIN basket drops into most factory slots, no cutting required
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Good sound for every passenger — Off-axis tweeter design means the back seat sounds as good as the front
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Built for real-world conditions — Water-repellent cone and tough basket finish handle daily use and door humidity
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Headroom when you need it — 220W peak means the speakers stay clean even during loud, dynamic tracks
Who Should Buy the Hertz X 165?
These speakers are a great fit for:
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Daily commuters who want noticeably better sound without a big install job
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Car audio fans looking for a genuine upgrade over their stock speakers
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Music lovers who listen to everything from EDM to classical and want speakers that handle it all
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Value seekers who want Hertz quality without going all-in on a component system
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DIY installers who want a simple, no-fuss speaker swap
- Anyone with a hatchback, sedan, SUV, or MPV running standard 6.5" door speaker positions
Technical Specifications
| Specification |
Value |
| Component Type |
Coaxials (Two-Way) |
| Size |
165 mm (6.5 in.) |
| Power Handling – Continuous (RMS) |
55 W |
| Power Handling – Peak |
220 W |
| Impedance |
4 Ohm |
| Frequency Response |
60 Hz – 21,000 Hz |
| Tweeter Diaphragm Diameter |
24 mm (0.9 in.) |
| Tweeter Magnet Type |
Neodymium |
| Tweeter Voice Coil Diameter |
14 mm (0.55 in.) |
| Tweeter Dome Material |
PEI (Polyetherimide) |
| Woofer Voice Coil Diameter |
25 mm (1 in.) |
| Woofer Magnet Type |
High Density Flux Ferrite |
| Woofer Magnet Size (D × d × h) |
80 × 40 × 15 mm (3.15 × 1.57 × 0.59 in.) |
| Tweeter Magnet Size (D × h) |
13 × 1.5 mm (0.51 × 0.06 in.) |
| Cone Material |
Water-Repellent Pressed Paper |
| Surround Material |
Foam |
| Xmech (Mechanical Excursion) |
±3.5 mm (0.14 in.) |
| Basket Standard |
DIN Size |
| Basket Finish |
Abrasion-Resistant Dust Paint |
| Weight (per speaker) |
0.73 kg (1.61 lb.) |
Why Choose Dolphin Accessories?
- ✅ 100% Genuine Products — Every product we sell is sourced directly from authorised distributors. No fakes, no grey market.
- 🎧 Expert Guidance — Not sure what fits your car? Our team knows car audio inside out and is happy to help you pick the right product.
- 🚚 Pan-India Delivery — We ship to every corner of India, fast and reliably.
- 📦 Secure Packaging — Your order is packed carefully so it arrives in perfect condition, every time.
- 🛠️ After-Sales Support — Got a question after your purchase? We're here to help, not disappear.
- ⭐ Trusted by Enthusiasts — Thousands of car audio fans across India trust Dolphin Accessories for their upgrades.
Frequently Asked Questions (FAQ)
Q1: Will the Hertz X 165 work with my stock head unit?
Yes, absolutely. The 4 Ohm impedance and 55W RMS rating match what factory head units put out. You'll hear a clear improvement in sound quality straight away, no amplifier needed.
Q2: What size are the Hertz X 165 speakers?
They're 6.5 inches (165 mm) in diameter and use a standard DIN-size basket, so they fit most factory 6.5" speaker slots in cars, SUVs, and MPVs.
Q3: Do I need an amplifier?
No. These speakers run fine off a stock head unit. If you do add an amplifier later, you'll unlock the full 220W peak and get even more out of them.
Q4: What's the difference between 55W RMS and 220W peak?
RMS (55W) is the power the speaker handles continuously — that's the number that matters for everyday use. Peak (220W) is the maximum it can take in short bursts during loud moments in music. Match your amp to the RMS figure, not the peak.
Q5: Why neodymium for the tweeter magnet?
Neodymium is much stronger than ferrite for its size. That means a smaller, lighter tweeter that still drives the dome with plenty of force — giving you detailed, accurate highs without a big, bulky tweeter housing.
Q6: What does off-axis performance mean in practice?
It means the sound stays balanced even when you're not sitting directly in front of the speaker. Since door speakers are always angled away from most passengers, this matters a lot. The X 165's tweeter faceplate is shaped specifically to handle this — so the back seat sounds as good as the front.
Q7: Are these speakers water-resistant?
The cone has a water-repellent treatment that handles the humidity and moisture that door speakers deal with every day. They're not waterproof, but they're built to hold up in normal real-world conditions.
Q8: How hard is the installation?
Pretty straightforward. The DIN basket fits most factory cutouts directly — no drilling or panel modification needed in most cars. Basic tools and about 30–60 minutes per speaker is all it takes.
Q9: What frequency range do they cover?
60 Hz to 21,000 Hz — that covers upper bass, all the midrange, and right up to the top of what human ears can hear. It's a genuinely full-range speaker.
Q10: How do these compare to factory speakers?
Factory speakers are built to a budget. The Hertz X 165 brings a neodymium tweeter, water-repellent cone, high-flux ferrite magnet, and 220W peak handling — none of which you'll find in OEM speakers. The difference in sound is immediately noticeable.
Q11: Why does impedance matter?
4 Ohm is the standard for car audio. It means these speakers will work safely with any car head unit or amplifier without overloading the output. No compatibility issues to worry about.
Q12: Are they sold as a pair?
Please check the product listing details or reach out to us at Dolphin Accessories and we'll confirm exactly what's included in your order.
