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The JVC CS-HX647X are a pair of 6-1/2” 4-way coaxial car-audio speakers with a slim and shallow design.

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Pros

details come out in the audio that are lost on typical OEM speakers

1 agrees

take full advantage of the capabilities of your head unit, handle higher wattages gracefully

1 agrees

mids and highs are extremely clear, no muffling or distortion

1 agrees

they don't send vibration through the mounts, just focus on sound

1 agrees

installation is very easy, just screw them in and attach wires as normal

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Cons

not much bass here, need a separate subwoofer to fill out the sound

1 agrees

might need a 3rd party adapter to mount these in the door mount, even if the size matches

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The JVC CS-HX647X are a pair of 6-1/2” 4-way coaxial car-audio speakers with a slim and shallow design that combines high-end speaker performance details with sensible mounting options, thereby enabling the user to create a loud or stealthy audio system for both the ears and eyes. The third of five JVC CS-HX car speakers, the JVC CS-HX647X is an upgrade from the JVC CS-HX637X in that each speaker offers a larger 19/32” (versus ½”) Poly-Ether Imide Dome tweeter, not to mention an improved power output of 310w (versus 250w). In addition, the CS-HX647X comes equipped with a 6-1/2” (versus 5-1/4”) Carbon Fiber Composite Olefin woofer and a 1-31/32” Pulp Cone midrange. The CS-HX647X also boasts an impedance of 4 ohms, a frequency response of 30 – 25,000Hz, a sensitivity of 86dB, heat-resistant voice coils, a stylish silver trim plate, and a black grille. The JVC CS-HX647X retails for a slightly more expensive $109.95 (versus $79.95) and comes with a 1 year limited warranty.

Features
  • 4-Way Coaxial
  • Twin Roll Butyl Rubber Edge
  • 6-1/2” Carbon Fiber Composite Olefin Woofer (Strontium)
  • 1-31/32” Pulp Cone Midrange (Strontium)
  • 19/32” Poly-Ether Imide Dome Tweeter (Neodymium)
  • Peak Power Output: 310w
  • Nominal Power Output: 50w
  • Frequency Response: 30 – 25,000Hz
  • Impedance: 4 ohms
  • Sensitivity: 86dB
  • Crossover Frequency: 4, 8, 12kHz
  • Heat-Resistant Voice Coil
  • Mounting Depth: 1-3/4”
  • 1 Year Limited Warranty
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