Infinity Kappa vs. Alpine Type-R
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If you are not content with the performance of your current vehicle speakers and you do not mind spending some extra bucks on getting a pair of high-quality speakers, this article reviews is definitely for you. We have composed a comprehensive review of some of the best speakers available in the market in this article. Let us quickly delve into this Infinity Kappa vs. Alpine Type-R car speakers’ review

Personally, I cannot drive around in my car without turning on the sound and bumping to some hype tunes. As such, my car’s sound system must be efficient enough to deliver the right acoustic sounds in my tunes. Consequently, a vehicle’s audio speakers play an integral role in your sound system. I have installed all my speakers personally, as it is quite simple and straightforward. However, finding the right set of speakers is more challenging due to the vast array of options available in the market.

Infinity and Alpine are popular brands in the audio industry. They both specialize in the manufacture and selling of car audio systems, subwoofers, and amplifiers, among many other products. Due to their numerous years of experience in the industry, both brands have a reputation of being some of the finest aftermarket vehicle audio makers in the world.

Both brands have a brilliant and impressive portfolio that can speak of the prowess in the audio industry. They both have a wide array of products that are quite popular in the market. However, let us find out some differences between Infinity Kappa and Alpine Type-R car speakers.

What are the differences between Infinity Kappa and Alpine Type-R car speakers?

Product name Infinity Kappa 60.11cs Alpine SPR-60c
Tweeter composition and design ¾” edge-driven soft textile dome tweeter with adjustable tweeter level control (0-+3dB) 1” silk dome tweeters with a 7-level adjustment level control
Woofer composition and surround 6.5” Patented Plus One formed glass-fiber woofer cone with hi-roll butyl rubber surround 6-3/4” multi-layer hybrid fiber woofers with rubbers surround
Sensitivity rating 93dB at 2.83 volts 88dB at one volt
Frequency response 45 Hz- 35000 Hz 65 Hz – 29000 Hz
Power handling 5-90 watts RMS and 270 watts Peak Power 8-110 watts RMS and 330 watts Peak Power
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Infinity Kappa vs. Alpine Type-R – How do they compare to one another?

Tweeter composition and design

Tweeters are responsible for delivering high frequencies in your music. From the guitars to the vocals to the horns and other high notes, tweeters ensure your music comes to life and sparkles. These devices are also essential for stereo separation and proper sound staging, making the music sound like it is coming from all directions.

Infinity Kappa series speakers contain ¾” edge-driven, high-definition polyamide tweeters, ideal for bringing out the music’s real character and increased extension. Its tweeter has an edge-driven, soft-dome textile fabric diaphragm for producing more power with a smoother and clearer response to midrange and high frequencies. The speakers also have an adjustable, 3-level, push-button tweeter level control that allows brightness control to the listener’s preference or best suit the tweeter’s installation location.

On the other hand, Alpine Type-R car speakers come with an excellent set of 7-level adjustable, 1″, and silk dome tweeters that produce clear high-frequencies to complement the bass output of the speakers. These tweeters ensure the delivery of excellent high-frequency sound output in your music, despite the location of your speakers in your vehicle. They also have EQ rings mounted at the front of their tweeters that swivel in all directions to boost your speaker’s off-axis response. By aiming the tweeters by hand, you create better staging and stereo imagery for the ideal audio experience.

Woofer composition and surround

Woofers are in-charge of delivering your music’s bass output, while woofer surround is vital in reducing the amount of resonant vibrations from the low-frequency sound waves produced by the woofer. As such, woofer surround is responsible for ensuring there is no sound distortion as you listen to your favorite music on your speakers.

The Infinity brand is well-known to produce car speakers with their Patented Plus One high-quality woofer cones with hi-roll butyl rubber surround. Similarly, Infinity Kappa series speakers have the brand’s 6.5″ woofer cones made from formed carbon injected glass-fiber material, which offers more cone area, making it lighter and stiffer, boosting the overall performance of the car speakers. It hi-roll butyl rubber surround makes the woofer more flexible and durable, ensuring that the speakers last for a long time while in optimal use.

Alternatively, Alpine Type-R speakers consist of 6-3/4″ multi-layer hybrid fiber woofers that deliver a really punchy low-frequency output. These woofers have a Bi-Amp ready design and a waveguide mounted over the middle cap of the cone to further increase the sound quality of the speakers and prevent distortion. They also have high-density polymer surround to ensure the woofers produce extended and consistent cone movement that pushes maximum air, delivering more bass output.

Sensitivity rating

The sensitivity rating of a speaker is the measurement of its sound output and power input. It is the measure of the relationship between how loudly your speakers will perform their function given a specific electrical input level. Measured in decibels per one watt per one meter, sensitivity is about how high the volume on your amplifier needs to be for your speakers to play their best.

Infinity Kappa 60.11cs speakers have an ultrahigh sensitivity rating of 93dB at 2.83 volts, while Alpine Type-R car speakers contain a sensitivity rating of 88dB per one volt. As a result, the Infinity Kappa car speakers require less wattage to access their full potential.

Frequency response

Frequency response refers to the range of frequencies a speaker produces when supplied with a specific amount of power. Generally, the optimal frequency range for human hearing is 20 Hz – 20000 Hz, meaning the human ear cannot hear ultra-high and low frequencies.

The 60.11cs car speakers from Infinity have frequency responses ranging from 45 Hz – 35000 Hz and an impedance of 2-ohms, allowing the system to produce melancholic sound with genuine music tones. These 2-ohm speakers are sensitive enough, allowing you to power them with a wide array of aftermarket stereos or a powerful outboard power amplifier.

Alternatively, Alpine Type-R car speakers consist of a frequency response of 65 Hz – 29000 Hz, and an impedance of 4-ohms, meaning you will require a powerful amplifier that can supply the extra load of current. With a decent 4-channel power amplifier, these speakers deliver excellent sound clarity and adequate volume output.

Power handling

All car audio systems require a decent power source for optimum functionality. Power handling refers to the continuous amount of power a speaker can handle, while peak power is the maximum amount of power a speaker can tolerate in short bursts. The amount of power handling aids in knowing how powerful of an amplifier you need. It is advisable to ensure that your power source levels match the recommended power handling rate of your speakers.

With the Infinity Kappa 60.11cs car speakers, their 6.5″ 2-way speakers handle power ranging from 5-90 watts RMS and 270 watts Peak Power. As such, these speakers are ideal for midrange or tweeter component upgrades for car systems powered by factory-installed amplifiers or external head units.

On the other hand, Alpine Type-R car speakers contain the power handling ability of 8-110 watts RMS and 330 watts Peak Power. Many users have reported that they have had to install an external amplifier to supply these speakers with enough power to ensure their full potential.

Infinity Kappa vs. Alpine Type-R- A comparison review

Infinity Kappa 60.11cs speakers Overview and Key features


Founded in 1968 in Los Angeles, Infinity is an American manufacturer of a wide range of audio equipment for various audio applications. The company has been part of the Harman International Industries group, a subsidiary of Samsung Electronics, since 1983. Infinity is a reputable producer of various sound equipment for use at home, in multiple cars, as well as theatre and marine applications. As a matter of fact, Infinity is the primary supplier of popular automobile companies like Hyundai, Mitsubishi, Kia, and Chrysler.

Infinity engineers did a remarkable job in designing the Kappa 60.11cs speakers to deliver clear, smooth, and impressive sound quality. With these fantastic sounding set of speakers, you get two 6.5″ Infinity Plus One glass-fiber woofers with hi-roll butyl rubber surround. Due to the woofers’ material composition, the speakers are quite lightweight and can hold their shape even at maximum loud volumes, ideal for delivering defined and punchy bass output.

The Patented Plus One woofer technology offers extended cone area, allowing the speakers to produce more bass to complement its superior high-frequencies response. The speakers also feature a ¾” edge-driven soft textile dome tweeters that create a wider dispersion and delivers smoother and clearer musical details.

This 2-way component speaker system from Infinity is highly sensitive, with a rating of 93dB at 2.83 volts, and power handling ability of 5-90 watts RMS and 270 watts Peak Power. They also have a frequency response of 45Hz – 35000 Hz and an impedance rating of 2-ohms. The top mounting depth of these speakers is 2-1/8,” and its whole cabinet weighs approximately 8 pounds, making it heavy and sturdy with gold-plated screw terminals to enhance its appearance.

What we like

  • Durable and attractive body of the speakers
  • Impressive frequency response and bass output
  • Delivers distortion-free sound quality, even at high volume levels
  • The package includes a set of grilles and adapter rings for easy installation

What we do not like

  • It does not have a wireless remote


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Alpine SPR-60C Speakers Overview and Key features


Alpine is a Japanese manufacturing company that specializes in producing electronic components used in vehicle’s audio and navigation systems, as well as subwoofers, A/V head units, amplifiers, and car speakers. Established in 1967, the company is a sub-division of the well-known Japan-based manufacturer and developer of navigation and car audio systems, Alps Electric. You might have come across this company’s products in premium automobile brands like Mercedes Benz and BMW.

If you enjoy turning up while driving, these speakers are definitely the right pick for you. The Alpine SPR-60C component car speakers come with separate woofers, tweeters, and crossovers, as their definition suggests. You must mount these components independently and ensure that they work together for the best results. These speakers come with 6.75″ multi-layer hybrid fiber woofers with ridged Santropene rubber surround to produce a defined and punchy bass with extended and consistent cone movement that pushes a lot of air.

The speakers also feature 1″ silk dome tweeters with an EQ ring in front of them to aid in the dispersion of high-frequencies for the best off-axis response and overall audio experience. The SPR-60C speakers can handle 8-110 watts RMS and 330 watts Peak Power. They also have a sensitivity rating of 88dB, a frequency response of 65 Hz-29000 Hz, and an impedance of 4-ohms.

What we like

  • High-quality and durable speakers with excellent audio output due to its high-density neodymium compact magnet
  • Delivers deep and full bass output
  • A unique set of adjustable tweeters
  • Suitable for all vehicle models as it has 2.3” mounting depth

What we do not like

  • It requires an external power source to deliver its full potential


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The Infinity Kappa and Alpine Type-R speakers have a wide array of features to offer its consumers. Not only do they come attached to an impressive price tag, but they also guarantee to turn your entertainment session into a remarkable and unforgettable experience. For the best results, it is best to try both speaker brands to find what is most suitable for your personal preferences.

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