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JL Audio ZR650-Csi

Evolution™ ZR Series 6-3/4" component speaker system

Item #: 136ZR650CS

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5 Reviews | 1 question - 1 answer

Installation gear for most cars

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JL Audio ZR650-Csi

The best way to listen

JL Audio's Evolution™ ZR series component speakers will make your music sound its very best, whether you like rap, rock, reggae, or classical. JL Audio obsessed over every little detail of their ZR series components, so these speakers will reproduce the most complex musical passages with lifelike accuracy, even in the unforgiving mobile environment.

The ZR650-CSi component system starts with 6-3/4" component woofers that use the same bass-enhancing technologies found in JL Audio's subwoofers. You'll enjoy consistent sound reproduction, along with impressive low-frequency depth and dynamic range. High-performance 1" aluminum dome tweeters bring out the subtle details in your music so you get a clear sonic picture of all the instruments in the stereo mix. Special design butyl rubber surrounds eliminate the ringing that can plague lower-quality aluminum tweeters.

JL Audio built the ZR Series crossovers using only the finest electronic components. These precision networks feature 5-level tweeter and 4-level midrange presence settings so you can achieve 20 different tunings to perfectly match your vehicle's acoustics and your tastes.

Note: JL Audio describes this model as a 6-1/2" speaker. Most manufacturers designate this same frame size as a 6-3/4" speaker. For simplicity's sake we list it as a 6-3/4" speaker.

Installation note: You'll need a pair of our universal backstraps to install the tweeters in the factory locations.

Priced per pair

Product Highlights:

  • component speaker system includes two 6-3/4" woofers, 2 tweeters, two external crossovers, and two woofer grilles
  • mineral-filled polypropylene woofer with butyl rubber surround
  • cast aluminum frame with Elevated Frame Cooling
  • 1" aluminum dome tweeter
  • 2-way external crossover with 5-position tweeter level and 4-position midrange control
  • 4-ohm impedance
  • power range: 25-85 watts RMS (255 watts peak)
  • frequency response: 48-25,000 Hz
  • sensitivity: 89.5 dB
  • depth: 2-11/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee

Why install component speakers?

A component speaker system gives you the best possible performance from your car audio system. A system consists of separate woofers, tweeters, and crossovers, each designed to cover one specific range of frequencies. As separate components, the woofer can move freely to deliver more powerful performance, while the tweeter can be custom-mounted in a better spot up closer to your ears, revealing a whole new world of detail. Separate crossovers are far superior to the simple filters wired into full-range speakers, so the components work together for smoother, more focused sound.

JL Audio ZR650-Csi Reviews

Average Customer Review:

5 Reviews

Speakers Never Sounded so Good!

Written by: TG from Little Rock, AR on August 9, 2015

2003 Chevrolet Avalanche
Crutchfield Customer Review (What's this?)

Sound quality is simply amazing. I don't know how I will afford another set but I really want a second or even a third set for my truck. I look for excuses to go for a drive now

Pros: Sound quality and overall construction

Cons: Expensive. Also tweeter flush mount is poorly made. Too bad considering how great the rest of the set is

Awesome speakers!!!

Written by: Joe from Los Angeles California on November 15, 2011

I am pleased and happy with the accurate sound reproduction. Important to abviously properly install and wire correctly. Calibrations of eq, amp gains, audio control settings etc... Critical because the jl ZRs are in my opinion very accurate. Again pleasing at all volume levels. I've always upgraded my vehicle sound systems, with this latest Equiptment outfit to include an Alpine 910 HU I'm very pleased and therefor highly recommend the JL Audio ZRs comps!!!

Pros: Clean, crisp, accurate sound performance in my Lexus LX-470 SUV. Mounted in the vehicles 4 doors Stock location, powered with a JL Audio HD-600/4. Also a HD-1200/1amp running 2 12W7's for bass. Sound is very much pleasing loud or low awesome sound. The legendary JL Audio built quality, performance, value and logetivity. (US/German built)

Cons: N/A at the moment.

Fantastic Speakers

Written by: Curtis from Charlottesville, VA on November 6, 2011

I placed these in Q-Forms prefab kick panels in my 07 Chevy Tahoe. I also have another pair in the factory door locations of my 06 Infiniti G35 coupe 6mt. The kick panel locations make all the difference in imaging and for me, enjoyment. The imaging is pinpoint from pillar to pillar and the sound quality is detailed, open, and tonally pleasing. I will attempt to do something similar in my Infiniti now, though I'm not sure I'll have the room for the 6.5" in the kick panels.

I have the good fortune of living near Crutchfield's store in Charlottesville, VA and had them installed there. The installers were all crowded around the vehicle, clamoring for a listen, marveling at the sound. One declared he had heard several other high-end speakers from other brands, but did not believe they deserved the price tag, these however, do. I agree.

Pros: GREAT sound; bi-amp capable

Cons: High price

JL Audio ZR650-Csi

Written by: ry from methuen ma on December 10, 2010

2004 Chevrolet TrailBlazer
Crutchfield Customer Review (What's this?)

just downright amazing have such great sound quality nomatta what you listen two this is why jl audio is the leader in marobile audio.Movie theater sound in my car worth there weight in gold



JL Audio ZR650-Csi

Written by: yousif from Columbus, Ohio on December 22, 2009

After 5 sets of components, including 2 sets of 3 way components, Ive finally found the perfect set of components. With astonishing deep bass and crystal clear highs this set is second to none, a little pricey but well worth it. These speakers can take anything i throw at them and more. I am currently powering them with a JL Audio 300/2 and all i can say is they sound amazing. I have them in my 2003 Audi A4 in the factory woofer and tweeter locations with a little modification ( because the woofer was a little deeper than the factory speaker).Audiophiles, look no further, this is the set for you.



Hands-on research

What's in the box?

Download owner's manual

  • 2 Woofers
  • 2 Tweeters installed in enhanced flush-mount fixtures (with attached 8" speaker wires)
  • 2 Crossovers
  • 2 Grille frames
  • 2 Grilles
  • 2 Tweeter compact flush-mount fixtures
  • 2 Tweeter angled surface-mount fixtures
  • 2 Self-adhesive JL Audio ZR badges
  • Butyl adhesive putty for woofer grilles
  • 2 Metal spring clips for tweeter fixtures
  • Two 1-1/4" pan-head machine screws
  • Four 1" flat-head self-tapping screws
  • 4 Crimp-on 2.8mm male quick slides
  • Twelve 1-1/4" self-tapping screws
  • 8 Speed clips
  • 12 Crimp-on spade connectors
  • 2 Crimp-on 6.4mm female quick slides
  • 2 Crimp-on 4.7mm female quick slides
  • Owner's Manual
  • Woofer cutout template
  • "Attention--Speaker Grilles located under tray insert" sticker

Product Research

Woofer Features
Tweeter Features
Crossover Features

Woofer Features

Baskets: The Evolution ZR component speakers feature proprietary cast aluminum woofer baskets, designed to provide maximum rear open area while also incorporation JL Audio's patented "Elevated Frame" cooling system. This cooling technology, also found on W7 and W6v2 subwoofers, allows air to flow directly across the top plate and onto the voice coil windings to greatly improve linearity at all listening levels.

Motor Structure: Within the DMA (Dynamic Motor Analysis) optimized motor structure, the CNC-machined back plate, pole piece, and top plate elements offer a degree of precision not possible with conventional forged or stamped parts. The ultra-thin gauge voice coil is treated with proprietary, high-temperature adhesives and wound on an aluminum former to further improve thermal transfer, reliability, and linearity at high power levels.

Woofer Cones: The cone and suspension elements were designed and manufactured by the world-famous Dr. Kurt Müller & Co of Germany. The speakers feature low-mass, mineral-filled polypropylene cones with butyl rubber surrounds. The cone and surround are inherently well damped to deliver an uncolored, neutral midrange without any coloration. The speakers are also equipped with symmetrical-roll, hybrid-weave spiders.

Tweeter Features

Aluminum Dome: The ZR component system tweeters utilize a 1" ultra-light aluminum dome, delicately suspended with a synthetic rubber, positive-roll surround to damp fatiguing ringing and preserve high-frequency definition. A Nomex voice coil former is used to further reduce mass.

Neodymium Magnets: The high-energy neodymium wafer magnet and machined field structures provide a dynamically stable field for the low-mass voice coil.

Performance: Each pair of ZR tweeters is tested and matched to within 1 dB of JL Audio's reference curve to ensure optimum system performance.

Mounting Options: The tweeters come mounted in enhanced flush mount fixtures with silver trim and a JL Audio badge. The system also comes with compact flush-mount fixtures and angled, surface-mount fixtures. The mounting dimensions for each mounting option are as follows:

Mounting Fixture Mounting Depth Mounting Height Frame Diameter Cutout Diameter
Enhanced Flush Mount 0.566"
(1.5" screw depth)
0.48" 2.126" 1.725"
Compact Flush Mount 0.454"
(1.5" screw depth)
0.45" 1.898" 1.677"
Angled Surface Mount N/A
(7/8" screw depth)
0.903" 1.826" N/A

Crossover Features

Two-way Crossover System: The ZR component system utilizes a true 2-way crossover system:

  • High Pass: On the tweeters is a second order Butterworth high-pass filter utilizing a top-quality, metallized polypropylene capacitor combined with a low-loss, 16-gauge, air-core inductor. Five tweeter level settings are selectable via jumper pins connected to a bank of super-premium, non-inductive, non-magnetic, 1% tolerance Mills resistors mounted to an extruded aluminum heat sink. Available levels are +1.5dB, Reference, -1.5dB, -3.0dB and -4.5dB.
  • Low Pass: The low-pass section features a first order filter with four levels of user-definable midrange presence achieved via a custom-engineered, series-segmented, air core inductor. The midrange presence levels are selected via a heavy brass jumper bar mounted on each network's circuit board, permitting the user to tailor the response for a variety of mounting angles and listening environments. Levels include 1 (Low), 2, 3 (Reference), and 4 (High).

Barrier Strips: Connections to each crossover network are made via protected nickel-plated barrier strips with the option of standard or bi-wire/bi-amp input wiring (selectable with an internal jumper bar).

Dimensions: The ZR crossover systems have the following dimensions: Width=4.17", Height=5.86", Depth=1.696"

Connection Note: The ZR component system comes with no speaker wire. Instead, a number of spade connectors and quick slides are included in the hardware pack to be crimped onto speaker wire you provide.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Customer Q&A

1 question already asked

Thanks for your question. For information on comparing two or more models I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences and help you make the best choice for your system and your budget. [ Krissy  Apr 07, 2014 ]  Staff