Infinity Kappa 203S
Kappa Series 2" Midrange Speakers
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Infinity Kappa 203S | 2" Silk Dome Midrange Speakers
Elevate your car audio experience with the Infinity Kappa 203S. Designed specifically to bridge the gap between your woofers and tweeters, these 2" midrange drivers transform a standard two-way setup into a high-fidelity 3-way component system. By dedicatedly handling the critical vocal and instrumental frequencies, these speakers deliver a warmer, more lifelike soundstage that brings your music to life.
Product Highlights
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Superior Midrange Clarity: The silk dome construction ensures the driver holds its shape even at high volumes, preventing distortion and filling in the "missing" details of your favorite tracks.
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Seamless Integration: Specifically engineered to pair with Infinity Kappa Series component systems, though they excel as an upgrade in any high-performance 3-way configuration.
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High Sensitivity: With a 94 dB rating, these speakers are incredibly efficient, delivering big, impactful sound without requiring massive amounts of power.
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True 4-Ohm Architecture: The 3-ohm impedance, when combined with factory speaker wire, allows your amplifier to see a true 4-ohm load for optimized power delivery.
Key Features
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Silk Dome Diaphragms: Provides a smooth, refined frequency response that avoids the "harshness" often found in lesser drivers.
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Included Bandpass Crossovers: Comes with specialized crossovers to ensure the speakers only receive the frequencies they were meant to play, protecting the hardware and refining the tone.
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Compact 2" Form Factor: Small enough to fit into custom A-pillars, dash locations, or door panels with minimal modification.
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Robust Power Handling: Rated for 50 watts RMS, allowing them to keep pace with powerful aftermarket subwoofers and mid-bass drivers.
Technical Specifications
| Feature | Specification |
| Speaker Size | 2" (50mm) |
| Speaker Type | Midrange |
| Power Handling (RMS) | 50 Watts |
| Power Handling (Peak) | 150 Watts |
| Frequency Response | 500 Hz – 7,000 Hz |
| Sensitivity | 94 dB (@ 2.83V) |
| Impedance | 3-Ohms |
| Warranty | 3 Years |
What’s In The Box?
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(2) Infinity Kappa 203S 2" Midrange speakers
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(2) Protective speaker grilles
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(2) Inline bandpass crossovers
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(2) Threaded adapter rings
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(2) Foam gaskets
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Mounting hardware (screws and speed clips)
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Owner’s manual and installation guide
What Others Are Saying
Eddie was great - SDCS installed a new head unit in my 2019 4Runner. He was honest in his opinions regarding the options I was considering. Pricing was also good - he was able to reuse some of my existing installation kit so I saved a bit of $$.Installation was clean and fast and he took the time to walk through the features before I left. Highly recommend!!
I had a great time at this shop! The staff really knows their stuff and took the time to explain the different options without pressure. Installation was quick, clean and professional. Everything looks factory and sounds amazing. The prices were fair and customer service was above and beyond. I highly recommend this place if you're looking for quality car audio and excellent service.
Those guys are really professional! I had a new Alpine floating head unit installed in my 2008 Mercedes, and it feels like a brand-new car. The installation was super clean. At first, the sound wasn’t the same as the factory stereo, but Kevin tuned it to be just as good—if not better—without adding any new amps. They even used my factory GPS antenna so I don’t have extra wires hanging out. On top of that, they matched the online price. Big thanks to Kevin and Eddie—highly recommended!
Kevin was awesome, he took his time and explained everything to me. I went in initially for a dash cam install and then decided to get a sub and amp installed as well. Both turned out great and will be returning if I need more work done.
Came In not knowing what to expect when suddenly my stereo stopped working. Spoke with Kevin in the front and after a VERY fast diagnosing they discovered my wiring was incorrect. After only about 45 minutes total being in the store I was on my way to the beach with a working stereo again! Thank you so much SDCARSTEREO
Highly recommend Kevin and the team at San Diego Car Stereo for any issues with aftermarket stereos. I bought a car with an aftermarket stereo and AC unit that wasn’t working properly—specifically, the heat wasn’t functioning due to an improper setup. I had several people look at it with no luck, and even the dealership basically refused to help because it was an aftermarket install. I came to Kevin and his team over the holidays feeling pretty defeated, but he was confident he could get the heat working before I headed back to a Colorado winter. Sure enough, he got it done.
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.