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Brax Matrix M2CPP

6-3/4" 2-way component speaker system

Item #: 875M2CPP

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Installation gear for most cars

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Made in Germany

Brax strives to build car audio equipment that provides an absolutely first-class listening experience, and their Matrix line embodies that goal. They hand-assemble every product in Germany using the highest quality parts to give you the best performance possible. If you're looking to build a reference-level system in your vehicle, Brax audio components will put you right smack in the middle of your favorite musical performances.

Resin infused silk tweeter

Smooth high frequencies

Brax thought a little outside the box when they created their Matrix M2CPP 6-3/4" component system. The tweeter's built from resin-infused silk and coated in black Acronal, so you'll hear smooth, accurate high-frequency response without any piercing peaks. Brax anchors each tweeter in a robust two-piece stainless-steel housing that can dissipate heat much more efficiently than more conventional designs. A powerful Neodymium magnet drives the tweeter efficiently so it can keep up with the most intense musical tracks. You'll feel like a window's been opened on all the details in your music, as voices and instruments sounds much more realistic and natural.

Rear view of the woofer

Detailed, punchy bass

Never afraid to use unusual materials in the quest for better sound, Brax built the woofer cone from Agave Sisalana, an incredibly tough natural fiber. They treat the fiber with aluminum oxide to make a rigid, lightweight cone that delivers clean, punchy bass. A rubber surround and durable spider connect the woofer to a cast-aluminum basket, while a stainless steel phase plug helps to improve dispersion and cool the large hand-wound voice-coil. This beast of a 6-3/4" woofer handles up to 120 watts of RMS power.

Audiophile-grade crossover

To eliminate peaks and drops in response, a massive crossover network ensures that the correct frequencies get to the right speakers, using superior components to guarantee high stability with no coloration. It even includes five levels of tweeter attenuation so you can tune the system to your vehicle's acoustics and your taste.

Note: Brax 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.

Product Highlights:

  • component speaker system includes two 6-3/4" woofers, two tweeters, and two external crossovers
  • aluminum-impregnated Agave sisalana woofer cone
  • rubber surround
  • 2" resin-infused silk dome tweeter
  • 2-way external crossover with 5-way tweeter adjustment
  • 4-ohm impedance
  • power range: 10-120 watts RMS (170 watts peak power)
  • frequency response: 35-30,000 Hz
  • sensitivity: 88.9 dB
  • woofer top-mount depth: 2-9/16"
  • warranty: 2 years
  • 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.

Brax Matrix M2CPP Reviews

Hands-on research

Features and Specs

Speaker Size 6 3/4
Design 2-way
Tweeter Design 2" Dome
Tweeter Composition Resin infused Silk
Woofer Composition Aluninum/Agave Sisalana
Woofer Surround Rubber
Parts Warranty 2 Years
Labor Warranty 2 Years
Sensitivity 88.9 dB
Frequency Response 35 - 30k Hz
RMS Power Range (Watts) 10-120
Peak Power Handling (Watts) 170
Impedance (Ohms) 4
Top-mount Depth (Inches) 2 9/16
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 5 11/16

Product Research



  • Depth: 64mm (2.52")
  • Mounting Height: 9mm (0.354")
  • Cutout Diameter: 143mm (5.63")
  • Magnet Diameter: 96mm (3.78")
  • Frame Diameter: 167mm (6.575")
  • Revc: 3.4Ω
  • Vas: 12.59 liters
  • Qts: 0.59
  • Fs: 49 Hz


  • Depth: 25mm (0.98")
  • Mounting Height: 16mm (0.63")
  • Flange Height: 7mm (0.28")
  • Cutout Diameter: 50mm (1.97")
  • Frame Diameter: 60mm (2.36")
  • Revc: 3.4Ω
  • Fs: 750 Hz


  • Crossover Point: 2,600 Hz
  • Controls:
    • Impedance: 4Ω/2Ω; change to 2Ω if adding a second woofer (optional)
    • Tweeter Output Level: -3dB, -1.5dB, 0dB, +1.5dB, or +3dB (relative to the woofer output level)
  • Dimensions:
    • Length: 144mm (5.67")
    • Height: 56mm (2.20")
    • Width: 170mm(6.69")

Woofer Size Classification Note: Crutchfield has traditionally referred to this woofer size as a 6-3/4", while some manufacturers, including Brax (Audiotec Fischer), call it a 6-1/2". Please refer to the Crutchfield Vehicle Selector to confirm fit in your vehicle.

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.

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