Infinity in Kia

Advanced technology that reinvents your car audio experience.

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A perfect union of innovation and daring, our 13-year partnership
has just one purpose: superior in-car sound.

Infinity Technology Always Moving Forward

Infinity’s ingenious use of materials, sophisticated digital architecture, and cutting-edge designs are built into select Kia models. When it comes to automotive sound systems, consider the bar raised.

Near Live Listening

MMD Speakers

Strong, lightweight Infinity Metal Matrix Diaphragm speakers are engineered for long life and minimal distortion. Layers of thin ceramic on a metal base deliver bright, clear highs and bold, natural lows with remarkable accuracy.

United for Efficiency

Unity Drivers

Two speakers are designed as one to deliver twice the performance while using less space. Infinity achieves big-system sound in small in-vehicle interiors.

Magnetic Performance

Neodymium

The rare earth element, neodymium, produces more compact and powerful magnets than traditional iron-based materials. These lightweight yet powerful magnets ensure dynamic sound performance, higher resolution and harmonic richness in Infinity speakers.

You're Surrounded

Logic 7 Surround

Extreme Customization

Years in the Making

Tuned to Perfection

1,000 Hours
of Testing

A perfect union of innovation and daring, our 15-year partnership has just
one purpose: superior sound in select Kia models.

  • Optima

    Optima

  • Sorento

    Sorento

  • Soul

    Soul

  • Cadenza

    Cadenza

KIA Optima with Infinity


Driving and listening. Combine your passions.

Designed to provide high-resolution sound reproduction, harmonic richness and natural dynamics, the Infinity audio system in the stunning new Kia Optima elevates driving to a sensory experience.

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Quick Specs

  • 550w

  • 12

  • 12

  • 200mm DVC

Center Channel

100mm MMD midrange speaker helps replicate the sound of live music by placing the primary lead performer at center stage.

Coaxial Midrange/Tweeter

Two 80mm MMD midrange woofers and two 16mm MMD tweeters mounted coaxially combine mid and high frequencies. The full auditory range of 20-20,000 Hertz fills the cabin with clear, rich sound.

Mid-woofer

Two 160mm MMD mid-woofers handle a full range of sound and are optimized to send rich, clear bass notes to every seat in your vehicle.

Coaxial Woofer/Tweeter

Two 160mm woofers and two 19mm MMD tweeters mounted coaxially combine mid and high frequencies. The full auditory range of 20-20,000 Hertz fills the cabin with clear, rich sound.

Subwoofer

200mm Dual Voice Coil Subwoofer delivers deep, clear low-frequency effects for any music genre, with sound you can feel as well as hear.

Amplifier

11-channel, 550-Watt amplifier uses Digital Signal Processing (DSP) to balance and enhance tonal blending, regardless of music or broadcast source.

KIA Sorento with Infinity


You actually can please everybody.

Surround sound has been optimized for the Sorento’s interior acoustics, enlarging the listening “sweet spot” for all passengers, with speed-dependent volume and equalization to fine-tune your audio.

Quick Specs

  • 550w

  • 12

  • 11

  • 200mm DVC

Center Channel

100mm MMD midrange speaker helps replicate the sound of live music by placing the lead performer at center stage.

Tweeter

Two compact, 25mm MMD tweeters can reproduce the highest frequencies so you fully experience the harmonics of every track.

Mid-woofer

Two 160mm MMD mid-woofers handle a full range of sound and are optimized to send rich, clear bass notes to every seat in your vehicle.

Coaxial Woofer/Tweeter

Two 160mm woofers and two 19mm MMD tweeters mounted coaxially combine mid and high frequencies. The full auditory range of 20-20,000 Hertz fills the cabin with clear, rich sound.

Amplifier

11-channel, 550-Watt amplifier uses Digital Signal Processing (DSP) to balance and enhance tonal blending, regardless of music or broadcast source.

Subwoofer

200mm Dual Voice Coil Subwoofer delivers deep, clear low-frequency effects for any music genre, with sound you can feel as well as hear.

Midrange

Two 80mm MMD midranges bridge the gap between bass and tweeter and provide essential fullness and balance to ensure rich, enveloping sound.

KIA Soul with Infinity


Sound that stirs your Soul.

The Infinity Premium Audio System was designed to pump up the performance in the Kia Soul. It delivers power, strength and dimension that adds more soul to your sound. And more sound to your Soul.

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Quick Specs

  • 350w

  • 10

  • 7

  • 200mm DVC

Center Channel

100mm MMD midrange speaker helps replicate the sound of live music by placing the lead performer at center stage.

Tweeter

Two compact, 19mm MMD tweeters can reproduce the highest frequencies so you fully experience the harmonics of every track.

Mid-woofer

Two 160mm MMD mid-woofers handle a full range of sound and are optimized to send rich, clear bass notes to every seat in your vehicle.

Coaxial Woofer/Tweeter

Two 160mm woofers and two 19mm MMD tweeters mounted coaxially combine mid and high frequencies. The full auditory range of 20-20,000 Hertz fills the cabin with.

Amplifier

7-channel, 350-Watt amplifier uses Digital Signal Processing (DSP) to balance and enhance tonal blending, regardless of music or broadcast source.

Subwoofer

200mm Dual Voice Coil Subwoofer delivers deep, clear low-frequency effects for any music genre, with sound you can feel as well as hear.

KIA Cadenza with Infinity


Audio Amazement. In every seat.

Surround sound enhances every occupant’s listening experience, while advanced technology contours the sound to the Cadenza’s interior. Get ready for total musical immersion.

Quick Specs

  • 550w

  • 12

  • 11

  • 200mm DVC

Center Channel

100mm MMD midrange speaker helps replicate the sound of live music by placing the primary lead performer at center stage.

Tweeter

Four compact, 25mm MMD tweeters can reproduce the highest frequencies so you fully experience the harmonics of every track.

Mid-woofer

Four 160mm MMD mid-woofers handle a full range of sound and are optimized to send rich, clear bass notes to every seat in the vehicle.

Midrange

Two 80mm MMD midranges bridge the gap between bass and tweeter and provide crucial fullness and balance to ensure rich, enveloping sound.

Subwoofer

200mm Dual Voice Coil Subwoofer delivers deep, clear low-frequency effects for any music genre, with sound you can feel as well as hear.

Amplifier

Discrete 11-channel, 550-Watt amplifier uses proprietary Logic 7® technology to convert two-channel stereo signals into multichannel formats, delivering a surround-sound .

Technologies and Features

Deep Feelings

Dual Voice Coil Subwoofer (DVC) – Two voice coils means flexible wiring optimized for your vehicle, and deep bass you can feel as well as hear.

The Great Optimizer

DSP Amplifier – Digital Signal Processing has the power to optimize audio signals in your car’s listening space and improve tonal accuracy.

Near-Live Listening

MMD™ – Metal Matrix Diaphragms use advanced materials to improve accuracy. Both sides of an aluminum core are anodized for rigidity and speed. The result: pure, truthful sound.