MB Quart RK1-110 Reference Series 4" 2-Way Coaxial Speaker System 160 Watts

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MB Quart RK1-110 Reference Series 4" 2-Way Coaxial Speaker System 160 Watts

MB Quart RK1-110 4" Reference Coaxial 2-Way speakers engineered with .75" Titanium dome WideSphere™ Technology Tweeters with lightweight craft pulp Bamboo fiber cones mounted to an inert frame (which adds no harmonic distortions).


  • Rms Power Handling (Watts): 40 / 80 Each & System
  • Peak Power Handling (Watts): 80 / 160 Each & System
  • Speaker Impedance (Ohms): 4
  • Frequency Response: 80hz-20khz
  • Sensitivity: 84.5db
  • Crossover Slope: 12db / Octave
  • Mounting Diameter/cut Out (In): 3.5
  • Outside Diameter (In): 4
  • Mounting Depth/chassis Depth (In): 2
  • 0.75” titanium dome tweeter for exceptional musical reproduction of high frequencies
  • The innovative tweeter design develops an off-axis dispersion pattern that creates a larger sound stage
  • Lightweight craft pulp with bamboo fiber cone for strength and superior bass frequency reproduction
  • Aerospace grade PA66 composite with 30% glass fiber speaker frame to assure that no harmonic distortions affect the tone of the speaker
  • MB Quart engineers work closely with vehicle designers to assure a perfect fit of every speaker, whether upgrading or doing a full custom installation
  • Molded Polymer Sealing gaskets are utilized to keep the speaker isolated from the mounting surface and improve protection from water and dust intrusion.
  • Red woven fiber cotton poly blend spider to stabilize the cone and voice coil in all musical situations

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