Alpine SPS-406 4×6″ Coaxial 2-Way Speaker Set

Great sounding upgrade speakers at competitive price points Perfect for OEM upgrade, with many sizes to choose from to suit almost any vehicle. New cosmetics look good in your car, and fit easily in your stock Improve the output and sound quality of your vehicle with these highly efficient speaker choices High efficiency design runs easily off of factory or built-in head unit power for an easy system upgrade CEA-2031 Power Rating: 45 Watts Power Handling Capacity (RMS): 45 Watts Power Handling Capacity (Peak): 140 Watts Frequency Response: 93Hz – 22kHz Impedence: 3.6 Ohms Sensitivity: 87dB /W(1m) Cone Material: Poly-Mica Cone Motor Technology: Optimized Magnet Voice Coil Type: Square-Wire Short Voice Coil Cooling: Optimized Air-Flow Design Magnet: High Grade Strontium Magnet Mounting: Shallow Mounting Design Frame: Stamped Steel Shallow Frame Tweeter Type: 3/4” Wide Range Silk Dome Tw

Product Features

  • SPS-406 – Alpine 4″ x 6″ 90W RMS Type-S Series Coaxial Speakers
  • Power Handling: Peak: 280 watts per set / 140 watts each side | RMS: 90 watts per set / 45 watts each side
  • Poly-mica cone woofer
  • Rubber surround
  • Top-mount depth: 1-21/32″

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3 Responses to Alpine SPS-406 4×6″ Coaxial 2-Way Speaker Set

  1. AielloBaseball says:

    GREAT speaker 0

  2. BT says:

    Great sound from a small speaker I installed these as rear speakers in a 2006 Honda S2000. They are easy to install, and have a very strong, clean sound from a small speaker.For the S2000, I ran new wire to the rear speakers due to the confusing factory harness for the roll hoop speakers. Tucking the wire under the edge of the center console cover and then using a fish wire to cross under the glove box unit made the wiring pretty simple. The speakers come with a small lead of wire and connectors for the…

  3. R. Payne "jugace" says:

    Fantastic! I installed these speakers to replace the cheap … Fantastic! I installed these speakers to replace the cheap rear factory paper cone speakers in my 2001 Silverado 1500 extended cab truck. Man what a difference! I bought the truck second hand only a year old, with a nice Alpine head in it but the sound was never very good. I put a pair of Poineer 6 1/2″ four way speakers in the front doors and these in the rear. Wowzers! I mean it really thumps and the four ways in the front give me a really nice high end balance to the sound. I do NOT…