Infinity PR9603IS 6x9" 3-way Coaxial Speaker System

Model: PR9603IS UPC: 050667368463 Item: 161158


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Product Information

An Ideal Upgrade

Many people find the factory-installed audio system to be a little lackluster in both volume and sound quality. Infinity’s solution to this dilemma is their PR9603IS 6x9” triaxial speaker system. Thanks to the engineers at Infinity, you will get rich and detailed sound from the speakers because of the large Plus One™ woofers, edge-driven tweeters, and piezo supertweeters. They mate together perfectly so you’ll hear everything that the musician intended.

Quality Engineering

There’s a difference between building a speaker and build a speaker correctly. The difference is in how long the speakers will last and how good they are going to sound. The Infinity PR9603IS triaxial speakers not only employ some great materials to make up their woofers and tweeters, but they also feature vented motor assemblies so that the speakers can disperse the heat they produce quickly. This will allow the speakers to play louder and longer than the other ones on the market. Infinity speakers are built to last.

Extended Frequency Response

The Infinity Primus PR9603IS triaxial speakers are able to play low into bass response territory (46Hz) thanks to the Plus One™ woofers and way up into the high frequency area (22kHz) thanks to piezo supertweeters. You’re going to have more impact and better detail coming from this speaker system in comparison to most others – especially the factory-installed speakers.

PR9603IS Highlights:

  • 3-way triaxial speaker kit comprised of 5/9” supertweeters, 1” tweeters, and 6x9” woofers
  • 6x9” Plus One™ polypropylene woofers for deep bass response
  • Edge-driven textile dome tweeters for accurate high frequency reproduction
  • Piezo supertweeters for enhanced detail
  • Warranty: 1 year
  • Included: World Wide Stereo 60-day guarantee and expert product support


PR9603IS Specifications:

  • 3-way triaxial speaker kit
  • 6x9” Plus One™ polypropylene woofers
  • Edge-driven textile dome tweeters
  • Piezo supertweeter
  • 3-ohm impedance
  • Up to 90 watts of continuous power handling
  • Peak power handling: 360 watts
  • Frequency response range: 46Hz – 22kHz
  • Sensitivity: 94dB
  • Top-mount depth: 2-3/4”

What's in the Box

What's in the Box

  • 1 pair of PR9603IS triaxial speakers
  • 1 pair of protective grilles w/ frames
  • 1 pair of bottom-mount adapters
  • 8 self-tapping screws
  • 8 speed clips
  • 1 pair of foam gasket strips
  • Owner’s manual



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