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Focal K2 Power 165 KRX3

6-3/4" 3-way component speaker system

Item #: 091165KRX3

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1 Review | 1 question - 1 answer

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K2 Power speakers — engineered for superb sound

At Focal, all that matters is music. Focal's sound gurus engage in intensive listening sessions as they design a new line of speakers, making it their mission to create products that deliver uncanny realism, sweeping dynamics, and breathtaking depth. During the hands-on production process, they test every model meticulously to ensure that they meet Focal's exacting standards.

Tweeter, woofer, and midrange

Focal's "Power Hi-Fi" philosophy

The K2 Power 165 KRX3 6-3/4" component speaker system bears the hallmarks of Focal's "Power Hi-Fi" philosophy. The nimble 6-3/4" woofer, made from Aramid and glass fibers, demonstrates the control needed to reproduce delicate classical passages, yet it'll handle the power needed to drive your bass-heavy music with authority. The sturdy zinc-aluminum alloy basket is non-magnetic so it won't interfere with the speaker's own electronics.


Inverted dome tweeter design

3-way design

Focal's 2" inverted dome tweeter acts like a little woofer, dispersing the highs in a wide pattern to create an exceptionally natural soundstage. An additional 3" speaker, made from the same composite that's used in the woofer, provides the system with smooth midrange frequencies. An aluminum phase plug improves midrange dispersion so you'll hear clean, up-front vocals. Focal includes a pair of surface-mount pods that allow you to install the midrange driver and tweeter side by side.

High-quality crossover network

Woofer cone construction

The K2 Power crossover uses hand-made components developed by Focal to deliver an ideal blend of the highs, mids, and lows for a dynamic stereo image. You'll find 162 possible combinations of tweeter, midrange, and woofer settings so you can fine tune the sound to your car's environment.

Important Note: Focal strongly recommends using a 4-channel amplifier to drive the 165KRX3 component system — two channels for the woofers and two channels to run the mids and highs. The 165KRX3 crossover can be set up to use a 2-channel amplifier, but it would present a load of less than one ohm per channel which most amps cannot handle safely.

Note: This component speaker set consists of a separate woofer, midrange speaker, and tweeter. Our Car Selector checks to make sure the woofer will fit in your factory location. You'll have to custom install the midrange and tweeter.

Note: Focal 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.

Product Highlights:

  • component speaker system includes two 6-3/4" woofers, two 3" midrange speakers, 2 tweeters, 2 external crossovers, 2 woofer grilles, and 2 midrange grilles
  • K2 composite woofer cone (Aramid, foam, and glass fiber)
  • butyl rubber surrounds
  • 3" K2 composite midrange driver with aluminum phase plug
  • 2" woven Aramid fiber inverted-dome tweeter
  • 3-way external crossover with up to 162 possible settings
  • 4-ohm impedance
  • power range: 6-100 watts RMS (200 watts peak power)
  • frequency response: 45-20,000 Hz
  • sensitivity: 93 dB @ 2.83 V
  • mounting depth: woofer: 3-1/8"; midrange: 1-7/16"
  • 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.

Hands-on research

What's in the box?

Download owner's manual

  • Two 6-3/4" Woofers
  • Two 3" Midrange
  • Two inverted dome tweeters (with attached 22" length of speaker wire)
  • 2 Tweeter flush mount cups (installed)
  • 2 Tweeter angle mount adapters
  • 2 Midrange/Tweeter surface mount housings
  • 2 Crossover networks
  • 2 Woofer grilles
  • 2 Woofer grille mounting rings
  • 2 Midrange grilles
  • 2 Midrange grille mounting rings
  • 2 Black tweeter grilles (installed)
  • 2 Silver tweeter grilles
  • 2 Woofer mounting gaskets
  • 16 Speed clips
  • Twelve 5/8" Self-tapping screws (T10 Torx head)
  • Twenty 1" Self-tapping screws (T20 Torx head)
  • Owner's manual (English/ French)
  • Serial number card

Product Research

Woofer
Midrange
Tweeter
Crossover
Dimensions

Woofer

K2 Cone: The woofer cone is a sandwich composite consisting of a foam core, a structural glass fiber bottom layer, and a Kevlar top layer. This combination of materials results in a rigid, light weight cone with excellent damping characteristics.

Surround: The butyl rubber surround is resistant to ultraviolet rays, temperature extremes, and humidity to add to the speaker's reliability and longevity.

Zamak Basket: The woofer features a cast Zamak basket. Zamak is a rigid alloy of Zinc, Aluminum, Magnesium, and Copper. Zamak is non-magnetic.

Voice Coil: The voice coil is wound around a 1-9/16" diameter low-mass Kapton former, ensuring no coil deformation.

Midrange

K2 Cone: The midrange cone is a sandwich composite consisting of a foam core, a structural glass fiber bottom layer, and a Kevlar top layer. This combination of materials results in a rigid, light weight cone with excellent damping characteristics.

Zamak Basket: The midrange features a cast Zamak basket. Zamak is a rigid alloy of Zinc, Aluminum, Magnesium, and Copper. Zamak is non-magnetic.

Phase Plug: The bullet-shaped aluminum phase plug in the center of the midrange ensures a smooth, flat off-axis frequency response by preventing the high frequency sound waves emanating from one side of the cone from interfering with sound waves from the other side of the cone.

Voice Coil: The voice coil is wound around a 1" diameter low-mass Kapton former, ensuring no coil deformation.

Neodymium Magnets: The midrange drivers use Neodymium magnets, which have the same magnetic flux power as a ceramic magnet 10 times their size, reducing the size and weight of the speaker.

Size: The midrange drivers are not a standard size, approximately 3" diameter. It can be top or bottom mounted and has these dimensions:

  • Depth (top mount): 1.4"
  • Mounting height: 0.2"
  • Flange height: 0.2"
  • Depth (bottom mount): 1.6"
  • Tweeter protrusion: 0" (zero)
  • Cutout diameter: 2.87"
  • Frame diameter: 3.47"

Tweeter

Inverted Dome Tweeter: The TN53K tweeter is an Aramid fiber inverted dome, producing a broad sound stage. The tweeter has a Neodymium magnet to provide a powerful magnetic field for the voice coil, while still maintaining the tweeter's compact dimensions. The dispersion is controlled by the twin radius wave guides to improve staging and directivity.

Mounting Options: The tweeter can be surface or flush mounted. Focal recommends flush mounting and the flush mount cup is built onto the tweeter housing. The included angled cup allows surface mounting at approximately 30°.

Tweeter/Midrange Mounting: Two surface mounting pods are included with the 165 KRX3 that hold a midrange and tweeter. The pods' dimensions are 6.856" x 4.114" x 3.123" (height above mounting surface).

Crossover

Components: Focal uses audiophile grade polypropylene capacitors and air core inductors to ensure high definition and a dynamic sound quality. There are five switches on the crossovers to adjust crossover points and output levels, offering a total of 162 different settings.

Bi-amp: The new crossovers included with the 165 KRX3 have bi-amp inputs, one input for the midrange/tweeter combination and one for the woofer. When using only two amplifier channels the crossover inputs are shorted together. Focal recommends using four amplifier channels to bi-amp the speakers for the improved dynamic range and to present an easier load for the amp(s) to drive.

Tweeter Adjustment: You can adjust the overall output level of the tweeter on the crossover; set to -6 dB, -3 dB, or 0 dB. Another switch allows you to emphasize the extreme (high) treble frequencies.

Midrange Level: The midrange output is also adjustable; set to -6 dB, -3 dB, or 0 dB. When the mids are installed low in the door, some of the output is absorbed by the upholstery and they can benefit from a higher output setting.

Crossover Points: There are three crossover frequency options for both the woofer (low-pass) and midrange (high-pass) outputs; the exact crossover points are not given. The upper frequency limit of the midrange output is not adjustable.

Wiring: The inputs and outputs are screw terminals; they will accept bare wire or spade connectors up to 0.315" wide.

Dimensions

Tweeters:

  Flush Mount Angled Surface Mount
Mounting Height 0.294" 2.280"
Depth 0.769" 0.548" (screw depth)
Frame Diameter 2.260" 2.504" x 4.097"
Cutout Diameter 1.984" N/A

Crossover:

  • Width: 7.897"
  • Height: 1.624"
  • Depth: 5.133"

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 open the box, verify contents, 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.

Focal K2 Power 165 KRX3 Reviews

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focal k2 165 krx3

Written By wayne, severna park maryland on Friday, November 19, 2010

Crutchfield Customer Review (What's this?)

very detailed and high quality. the mids and highs are the best I have ever heard. I have had many competiton systems over my 25 years of an addict . Many of my other systems have been installed and tuned by the best shops in my area, and myself. The install was so easy due to the pods. The pods give you the opportunity to place them and listen before final install. This option will allow any begginer to be a real expert at balancing their range... I am again hearing awesome nuances in music and cant get out of my car in my driveway until the song is over. My wife finally agreed that there is a difference thats worth it$$$

Product reviews from the Crutchfield Labs

Video: Introduction to Focal Car Audio
by Zak Billmeier, Ken Nail

Crutchfield's car audio experts Ken and Zak present an overview of Focal car audio products. Focal is a leading name in high-quality sound and Crutchfield is proud to have them in our lineup.

What are the Labs?

Get everything you’ll need to enjoy your new Focal K2 Power 165 KRX3

Reduce ambient road noise and your vehicle's "rattles," for better sound inside your car.
You'll need speaker wire to connect your speakers to your amp.
Keep your speakers clean and dry. They compress to fit behind your speakers.
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Questions & Answers Ask the community. Share your knowledge.

1 question already asked

1 answer I am struggling with k2 power 165krx3 woofers. Right woofer makes annoying sound like there is a leak, but i can promise you there is no leak. It makes a sound just like when a woofer is leaking, or is touching into the door trim, but this i have checked and double checked several times. Both sides are mounted identical, but right woofer makes annoying sound. I have tried everything, switched wires on amplifier, switched high caps, signal cable switched on amplifier, switched between rear and front output on head unit without any luck. This started just after they had been run in. I use Focal 2.300 amplifier with high caps, and Pioneer AVH.X3500DAB head unit. I have tried everything but new speaker wires, as these are not more than 3-4 months old, and takes a lot of work to replace these, and / or take out the speakers at all. I have dissmantle and assemblied theese speakers so many times now, that the connections on mids soon are out of treads. When the right woofer starts making strange sound, they still play controlled base even after 8-10 more on the volume. The left woofer does not make strange sound, and can still be turned up at least 10 steps further on the volume before any signs of distoren or woofer reaching there limit. This is strange and annoying, as these speakers are the best i have ever heard, but all stops as i neither like the sound comming from the right speakers, or likes to turn the volume up as long as this sound keeps destroing the great and nice sound these speakers produce. I use 4 mm2 speaker wires on the woofers, and around 4 meters long on each side aprox. and of course they are the same lenght on both sides. Please help! Anybody have a solution to this issues, or someone else had a similar problem? Thanks in advance. [ Sveinung  Dec 11, 2013 ]

If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/. [ Jeff  Dec 11, 2013 ]  Staff

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