JBL Stage 2 634 6.5 Inch 3 Way Coaxial Car Speakers 40w RMS Pair
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The JBL Stage 2 634 is a pair of 6.5 inch (160mm) 3-way coaxial car speakers rated at 40W RMS (250W peak) each, from JBL's Stage 2 range. They combine a polypropylene woofer, PEI balanced dome tweeter and piezoelectric supertweeter, with 91 dB sensitivity for use with factory or aftermarket head units.
The JBL Stage 2 range also includes the JBL Stage 2 624, a 6.5 inch 2-way coaxial option at the same 40W RMS rating.
Key specifications
- Size: 6.5 inch (160mm)
- Type: 3-way coaxial
- Power handling: 40W RMS, 250W peak each (80W RMS, 500W peak per pair)
- Recommended power: 5 – 40W RMS each
- Sensitivity: 91 dB
- Frequency response: 55Hz – 20kHz
- Impedance: 4 ohms
- Grilles: included
Stage 2 Series 6.5 inch (160mm) 3-way coaxial car speakers
The Stage 2 634 combines a polypropylene woofer, PEI balanced dome tweeter and piezoelectric supertweeter to cover the full frequency range from deep bass to high-end detail.
Powerful and dynamic audio. 40W RMS and 250W peak power handling keep output consistent and controlled. The 91 dB sensitivity delivers strong volume from moderate amplifier power, and the 4 ohm impedance suits both factory and aftermarket systems. If you need a component alternative, the JBL Stage 2 604C offers a 6.5 inch 2-way component system at 45W RMS.
Advanced design for balanced sound. The injection-moulded polypropylene cone handles low frequencies and clean midrange, while the PEI tweeter and piezoelectric supertweeter add precision to the upper range. The three-way design ensures smooth frequency transitions throughout.
Durable and easy to install. The Stage 2 634 is designed to fit most factory speaker openings without modification. JBL's Rigid Reliability Testing covers heat, cold, vibration and UV exposure for dependable long-term performance.
Explore the full range in JBL Stage.
Specification
| Peak | 500 watts per pair / 250 watts each |
|---|---|
| RMS | 80 watts per pair / 40 watts each |
| Recommended Power | 5-40 watts RMS each |
| Frequency response | 55-20,000 Hz |
| Top-mount depth | 1-15/16" |
| Sensitivity | 91dB |
More specs
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What's Included
- 2 speakers
- 2 grille covers
- 2 mounting frames
- Screws and speed clips
- 2 logo tags
JBL
About the JBL Stage 2 634
From our tech experts at CEN
The JBL Stage 2 634 is a pair of 6.5 inch 3-way coaxial car speakers rated at 40W RMS (250W peak) each. They combine a polypropylene woofer, PEI balanced dome tweeter and piezoelectric supertweeter across a 55Hz to 20kHz range. At 91dB sensitivity and 4 ohms impedance, they suit factory and aftermarket head units alike.
Who it suits
These suit drivers replacing factory 6.5 inch speakers who want a 3-way design for better high-frequency detail without a separate component setup. If a 2-way coaxial at the same power rating is enough, the JBL Stage 2 624 is a simpler alternative.
Our tech experts advise
The 634 is designed to fit most standard 6.5 inch factory openings without modification; top-mount depth is 1-15/16 inches. Grilles, mounting frames and fixings are all included. Keep the recommended range of 5–40W RMS in mind — a head unit alone is sufficient to drive them. Car audio installation is priced per vehicle; contact our Nottingham fitting team for details.
Explore the full JBL range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all JBL
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Have it Fitted By Our Team
Our team fits car audio, stereos, dash cams and vehicle security at our workshop in Beeston, Nottingham. Tell us your vehicle and we'll confirm the parts and a fitted price.
- 1
Tell us your vehicle
Make, model and year, and what you'd like fitted.
- 2
We confirm the parts
Fascia, wiring and interfaces checked for your car, with a fitted price.
- 3
Fitted at our workshop
Bring it to our Beeston workshop and we do the rest.
Unit 25 Technology Drive, Beeston, Nottingham NG9 1LA
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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: What does 3-way mean on the JBL Stage2 634?
A: Each speaker has three drivers: a polypropylene woofer for bass and midrange, a dome tweeter and a supertweeter for the upper range, giving smooth transitions across the frequency range.
Q: Can the Stage2 634 run from a factory head unit?
A: Yes. With 91 dB sensitivity and 4 ohm impedance they pair easily with factory or aftermarket systems. The recommended power is 5 to 40W RMS per speaker.
Q: What's in the box with the Stage2 634?
A: Two speakers, two grille covers, two mounting frames, screws and speed clips, and two logo tags.
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