JL Audio C2-650X 6.5″ Coaxial Speakers – #99618


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JL Audio C2-650X #99618 – 6.5″ Coaxial Speakers

  • 2-way 6-3/4″ speakers (pair)
  • injection-molded mica-filled polypropylene woofer
  • 3/4″ silk dome tweeter
  • built-in crossover network
  • 4-ohm impedance


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SKU: 99618 Item #: 99618 Category:

Product Description

JL Audio C2-650X #99618 – 6.5″ Coaxial Speakers

The JL Audio C2-650X  systems deliver sparkling high-frequency detail, smooth mid-range and powerful mid-bass, thanks to real silk dome tweeters and precision-engineered woofer designs.

The JL Audio C2-650X  features 6.5-inch (165 mm) woofers with mineral-filled polypropylene cones, long excursion capabilities and stamped steel frames. The woofer design benefits from JL Audio’s vast woofer design experience and advanced modeling systems.

The 6.5-inch (165 mm) format is a direct fit in many vehicles. Multiple mounting patterns are provided on the woofer frame for easy installation into most vehicles that accept a 6.5-inch (165 mm) speaker.

Tweeters are coaxially mounted and built with 0.75-inch silk dome diaphragms that deliver smooth, extended response, on and off axis. The small size of the C2 tweeter minimizes tweeter protrusion, allowing C2 coaxials to fit behind most factory speaker grilles.

Woofer grilles are included, each consisting of a black grille tray with satin silver accents and a black steel mesh grille with an electroformed JL Audio logo.

Sonic character: Clean and Dynamic

Sold as a pair.

JL Audio Evolution C2 speaker systems deliver an impressive audio performance solution and value. The technology of the Evolution C2 Series has been drawn from JL Audio’s experience in woofer and tweeter design. They have been engineered to deliver adequate efficiency while retaining a smooth mid-range response with low-frequency extension. Smoothness of response and the freedom from distortion are factors that make the C2 Series speakers truly one of a kind and enjoyable for everyone, and the resulting product is one that delivers performance for any car audio enthusiast at a price that won’t break the bank!

Silk Dome Tweeter

JL Audio C2 tweeters incorporate silk dome diaphragms to deliver smooth high-frequency transitions, on and off axis. Silk is a natural material with inherently good characteristics as a tweeter diaphragm. In addition to being very light in weight, silk exhibits excellent damping properties, which reduces ringing and resonances in the tweeter’s passband, leading to a smooth, pleasing high frequency character free from unnatural sibilance or exaggerated brightness. This is why a Silk Dome Tweeter is preferred by many audiophiles for its overall balance.

JL Audio Quality, Build and Design

JL Audio Evolution C2 coaxial speaker systems feature mineral-filled polypropylene cones, long excursion capabilities and stamped steel frames. In addition, the woofer design benefits from JL Audio’s vast woofer design experience and advanced modeling systems. It is this use of proper high-quality components and advances that allow the speaker to perform better than any other speaker in its price range. The C2-650x, specifically, has a respectable frequency response of 59 Hz – 22,000 Hz, a continuous-power handling of 60 watts and a solid efficiency of 91.0 dB, giving it the ability to produce smooth mid-range and highs.


Additional Information

Weight 0.00 kg
RMS Power

76 to 100 Watts

Speaker Design

2-Way, Coaxial


– Description: Evolution? C2 6.50 in. / 165 mm Coaxials
– Grilles Included
– Woofers: Injection-molded, Mica-filled, Polypropylene Cone, Butyl Rubber Surround, 1 in. Voice Coil on Kapton? –
– Former, Flat, Symmetrical Roll Spider, Ferrite Magnet
-Tweeters: 0.75 in. (19 mm) Silk Dome, Ferrofluid Cooling / Damping, Neodymium Magnet
– Continuous Power Handling: 60 Watts
– Rec. Power Range (per channel): 15 – 100 Watts
– System Efficiency: 91.0 dB @ 1W/1m
– System Nominal Impedance: 4 ohms
– System Frequency Response: 59 Hz – 22 KHz ? 3 dB

– NOTES:sold in pairs
– JL Audio C2-650x Coaxials Physical Specifications :

– Woofer Frame Outer Diameter* (A) 6.50 in. / 165.0 mm
– Woofer Grille Tray Outer Diameter** (B) 6.84 in. / 173.7 mm
– Woofer Magnet Outer Diameter (C) 3.15 in. / 80.0 mm
– Frontal Coaxial Tweeter Protrusion*** (D) 0.45 in. / 11.6 mm
– Woofer Frontal Grille Protrusion**** (E) 0.85 in. / 21.6 mm
– Woofer Mounting Hole Diameter (F) 5.56 in. / 141.3 mm
– Woofer Mounting Depth (G) 2.44 in. / 61.9 mm
– *Does not take into account mounting tabs
– 6.5″ Evolution C2 Series 2-way Coaxial Car Speakers
– Power Handling:
– Peak: 450 watts per pair / 225 watts each
– RMS: 120 watts per pair / 60 watts each
– Recommended Power Range: 15 – 100 watts per channel
– Injection Molded, Mica-filled Polypropylene Cone
– Butyl Rubber Surround
– 1.00″ Voice Coil on Kapton® Former
– Symmetrical Roll Spider
– Ferrite Woofer Magnet
– 0.75″ Silk Dome Tweeter
– Ferrofluid Cooling/Damping Neodymium Tweeter Magnet
– Natural Roll-Off Low-Pass, 1st Order High-Pass Filter with Electrolytic Capacitor
– Black steel mesh grille with satin silver accents Included
– Top-mount depth: 2.44″
– Cutout Dimensions: 5.56″
– Nominal Impedance: 4 ohm
– Efficiency: 91.0 dB @ 1 watt / 1 meter
– Frequency Response: 59 Hz – 22 KHz ± 3 dB
– Authorized Internet Dealer

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JL Audio 1 Year Limited Warranty


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