MB Quart Polaris Off-Road Grade Audio
MB Quart Bobcat Audio

X-Line Speakers

X-Line Speakers

  • Composite basket w/original German-spec material
  • Upgraded 20mm pure titanium dome tweeter
  • Tweeter features nylon surround for lower fs
  • Mica-filled PP cone mated to UV butyl surround
  • 12bd/octave crossovers used throughout line including coaxials
  • Coaxial crossover hidden in tweeter post for added protection and increased reliability

Tweeter Composition Benefits

  • Military grade “A” titanium used throughout X-Line
  • Use of titanium originated by MBQ in the late 60’s
  • High heat tolerance handles more power
  • Greatest weight to strength ratio of any metal
  • Unmatched frequency extension – beyond 30kHz
  • Smooth response within the audible range
  • A titanium tweeter plays loud and clear when you need it to but sounds great all the time!

Basket Composite Specifications

  • Basket material blend is PA6 + 15% glass fiber
  • PA6 is a cast nylon material with higher tensile & flexural strength than steel, ABS or other plastics
  • High operating temperature capability – up to 428°
  • 15% of composition has added short glass fiber strands that further improve torsional rigidity
  • Result is a lightweight basket with extremely tight manufacturing tolerances
  • Non-conductive material doesn’t absorb magnetic energy like stamped steel resulting in a smaller, more compact speaker

XK1-169 X-Line Speakers

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MB Quart X-Line 6x9 Inch Speakers

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Part#: XK1-169


MB Quart X-Line 6x9 inch 2 way car audio coaxial speaker system with titanium dome tweeters (pair)


Part #: XK1-169 | SKU: 806576224518 | Category: X-Line Speakers
MB Quart X-Line 6x9 inch 2 way car audio coaxial speaker system with 1" titanium dome tweeter with silk surround (pair)


Part #: XK1-169 | SKU: 806576224518 | Category: X-Line Speakers
  • Power Handling RMS
    50 watts
  • Power Handling Peak
    100 watts
  • Impedance
    4 Ohm
  • Sensitivity (1 watt / 1 meter)
  • Frequency Response +/- 10dB
  • Crossover Slope
  • Cut-Out Ø
    5.85"x8.69" (oval)
  • Chassis depth from flange

System Includes

Part #: XK1-169 | SKU: 806576224518 | Category: X-Line Speakers
More info in development & coming soon!

Features & Benefits

Part #: XK1-169 | SKU: 806576224518 | Category: X-Line Speakers
  • Titanium Dome Tweeter with Aluminum Voice Coil
    1 inch (29mm) Titanium dome delivers a superior sound quality over aluminum with a very smooth high frequency with the added benefit of additional output
  • Nylon Surround on tweeter 
    Nylon reduces harsh distortions which can develop on the surround in the transition point from the titanium tweeter dome to frame where the surround mounts 
  • PA66 composite Baskets with Glass Fiber reinforcement
    PA66 is a composite cast material designed to be used in future orbital spacecraft. Its purpose is incredible strength but lightweight. PA66 is what NASA uses to eliminate metal parts with composites

    PA66 is far more temperature and chemical resistant than standard plastics or ABS. This is important when developing low midrange and bass frequencies in a small diameter driver.  Reduce the flex in the frame and you tighten the sound by eliminating weak points in the mounting system
  • Mica Filled Poly Cone
    Deep bass tones with musical midrange frequencies 
  • Butyl Rubber Surround - Midrange
    Flexible piston action UV protected rubber which will be impervious to temperature swings of very warm and very cold
  • ABS Gasket
    Strong ABS plastic is used to seal the mounting  between the speaker frame and the vehicle
  • Tinsel Leads Silicone Jacket
    Silicone jacketed, extra flexible leads for strength and durability  
  • Voice Coil Former
    Aluminum - Lightweight aluminum former which helps voice coil dissipate heat
  • Bumped Design Cotton Spider
    Adhesive impregnated cotton spider with bumped design which allows for more clearance and longer excursion 
  • Crossover Design 
    Internal design - Crossover hidden in tweeter post for improved for added protection and increased reliability. The crossover offers superior separation between tweeter and mid/woofer with 12dB per octave crossover network
  • Spade Push On
    Connectors are designed for crimp connectors allowing for quick disconnect or direct wire solder connections for permanent installations
  • Mounting / Installation
    Euro-DIN - Unique shaped mounting brackets and holes to accommodate OEM and custom installations for midrange



Part #: XK1-169 | SKU: 806576224518 | Category: X-Line Speakers
More info in development & coming soon!


Part #: XK1-169 | SKU: 806576224518 | Category: X-Line Speakers
Files & Manuals

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