0.75" Edge-driven Silk Dome Tweeter 60W RMS 4Ω

We engineered a 3/4" silk dome with Edge-driven design to deliver smooth performance out to 40kHz.

Features:
3/4" Edge-driven Silk dome Tweeter to Deliver 40kHz High-Resolution
Power Handling: 120Wrms, 360W peak
Sensitivity (2.83V@1m): 91dB
Frequency Response (-6dB): 2kHz-40kHz
Nominal Impedance: 4ohms
Crossover point: 4kHz@12dB/octave
Gross weight: 0.21kg

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6.5" Compo Speakers 2-Way w/o Grille 110W RMS 3Ω

High Performance Component Speaker System For Premium Installation Applications

Beautiful Sound That Speaks To You.
The Harman/Kardon Flow Component System has been engineered to deliver true audio luxury. The Aluminum Deep Ceramic Composite cones (D.C.C) coupled with Plus One™ technology, provides a natural and detailed sound experience. The low-profile outboard crossover network allows the 6-1/2″ 2-way component system to operate as a full 3-way system with the addition of the 3″ Harman/Kardon Flow midrange. Every part of the system has been meticulously crafted to deliver visual excellence and an impeccable audio performance. The Aluminum Deep Ceramic Composite (DCC) cones provide constrained layer damping that pushes cone breakup modes outside of the passband allowing the driver to maintain ideal pistonic motion throughout its range. Pure Audio Perfection.

Features:
Aluminum Deep Ceramic Composite Cones with Plus One™ Technology
3/4″ Edge-driven Silk dome Tweeter to Deliver 40kHz High-Resolution
Specified Shallow Design for More Mounting Application
3-way Upgradability
High Sensitivity 3″ Midrange Speaker
Elegant ID design to Match your Premium Car
Power Handling: 120Wrms, 360W peak
Sensitivity (@ 2.83V): 91dB
Frequency Response: 45Hz – 40kHz
Impedance: 4 ohms
Crossover point: 5.2k
Gross weight: 3.22kg

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The Harman/Kardon Fit6 speakers are designed for the ultimate in audio luxury. They offer high-resolution sound and are reinforced with fiberglass woofers featuring Plus One™ technology for a powerful and precise sound experience. Edge-driven textile tweeters deliver smooth and detailed high frequencies for a unique listening experience. These products are manufactured using recycled materials, ensuring superior sound quality with minimal environmental impact.

Extraordinary sound that resonates deep within you.

The Harman/Kardon Fit6 speakers are designed for the ultimate audio luxury. They offer high-resolution sound and are enhanced with fiberglass woofers featuring Plus One™ technology for a powerful and precise listening experience. Edge-driven textile tweeters deliver smooth and detailed high frequencies, guaranteeing a unique listening experience. These products are manufactured using recycled materials, ensuring superior sound quality with minimal environmental impact.

Features

• Patented Plus One™ fiberglass woofer cone
• Dome tweeter with edge-driven textile diaphragm for
• 40 kHz high resolution
• Angled tweeter design with single pivot point
• 0 dB or -3 dB tweeter output level control
• Slim and intelligent crossover design
• 3-way expansion capability

Technical specifications Harman/Kardon FIT6

• Speakers: 6-1/2 inch (165 mm) coaxial car speakers with grille
• Power handling: 45 W (RMS), 360 W (peak)
• Sensitivity (at 2.83 V): 92 dB
• Frequency response: 58 Hz – 40 kHz
• Nennimpedanz: 4 Ohm
• Installation depth: 52 mm

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The Harman/Kardon Fit6 speakers are designed for the ultimate in audio luxury. They offer high-resolution sound and are reinforced with fiberglass woofers featuring Plus One™ technology for a powerful and precise sound experience. Edge-driven textile tweeters deliver smooth and detailed high frequencies for a unique listening experience. These products are manufactured using recycled materials, ensuring superior sound quality with minimal environmental impact.

• FIT 6C

  6.5" 2-Way Component Speakers w/ Grille 50W RMS 4Ω

  Feel every beat with the 6.5” 2-way component speaker engineered for precision. Featuring Patented Plus One™ glass fiber woofers and edge-driven textile tweeters, it delivers deeper bass, crystal-clear highs up to 40kHz, and a soundstage tailored to your cabin. Slim crossovers ensure easy installation, while future-ready 3-way expansion keeps your system evolving.

  Speaker: 6-1/2" (165mm) Two-Way Component Car Speaker with Grille
  Power Handling: 50W RMS, 400W peak
  Sensitivity (@2.83V): 91dB
  Frequency Response: 57Hz – 40kHz
  Nominal Impedance: 4ohm

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INFINITY ALPHA 603C | 6.5″ 2-Way Component Speaker System

The Infinity Alpha 603C is a precision-engineered 6.5″ two-way component speaker system designed for clean, dynamic sound in upgraded car audio installations. Featuring Infinity’s exclusive Plus One™ woofer cone architecture and a smooth, edge-driven silk dome tweeter, this set delivers extended bass and crisp, detailed highs—ideal for front-stage clarity in both OEM replacements and custom systems. With high power handling of 90 W RMS (720 W peak) and a wide frequency response, the Alpha 603C offers impactful performance even at higher volumes, while its 4 Ω nominal impedance ensures compatibility with a wide range of aftermarket amplifiers and head units.

The component design separates the mid-woofer and tweeter, allowing optimal placement for superior imaging and staging. Paired with Infinity’s competitively tuned sound signature, the Alpha 603C is purpose-built for discerning listeners seeking a more refined, musical experience—without the premium price tag. Rugged, stylish, and engineered with Infinity’s new ID design language, this system is a perfect match for enthusiasts who demand more than factory sound.

Tech Specs

Model: Infinity Alpha 603C

Type: 2-Way Component Speaker System

Woofer: 6-1/2″ (165mm) Plus One™ woofer cone

Tweeter: Edge-driven silk dome tweeter

Power: 90 W RMS, 720 W peak

Sensitivity: 90 dB (@2.83V)

Impedance: 4 Ω nominal

Frequency Response: 60 Hz – 20 kHz

Applications: Front-stage upgrade for OEM or aftermarket audio systems; ideal for amplified or high-power head units

Key Highlights

Plus One™ Cone Technology: Patented woofer design provides more cone surface area than standard speakers for deeper bass and improved efficiency.

Edge-Driven Silk Dome Tweeter: Unlike common w-dome tweeters, the Alpha 603C's silk dome is edge-driven for smoother frequency response and cleaner highs at all volume levels.

New Infinity ID Design: Updated aesthetics and materials appeal to audio enthusiasts looking for modern styling with acoustic performance.

Competitively Tuned: Tuned against class competitors to ensure balanced output and a consistent Infinity sonic signature.

Value Engineered: Designed to deliver Infinity sound at an affordable price, without compromising on materials or quality.

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The Harman/Kardon Fit6 speakers are designed for the ultimate in audio luxury. They offer high-resolution sound and are reinforced with fiberglass woofers featuring Plus One™ technology for a powerful and precise sound experience. Edge-driven textile tweeters deliver smooth and detailed high frequencies for a unique listening experience. These products are manufactured using recycled materials, ensuring superior sound quality with minimal environmental impact.

Features

• Patented Plus One™ fiberglass woofer cone
• Dome tweeter with edge-driven textile membrane for
• 40 kHz high resolution
• Angled tweeter design with single pivot point
• 0 dB or -3 dB tweeter output level control
• Slim and intelligent crossover design
• 3-way expandability

Technical data Harman/Kardon FIT96M

• Speakers: 6" x 9" (152 mm x 230 mm) 3-way component car speakers with grille
• Power Handling: 55W RMS, 440W Peak
• Sensitivity (at 2.83 V): 92 dB
• Frequency response: 52 Hz – 40 kHz
• Nominal impedance: 4 ohms
• Installation depth: 76 mm

In the Box

• 2 x speakers
• 2 x grids
• 8 x screws
• 8 x clips
• 1 x foam seal

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Infinity Alpha 603M | 6.5″ 3-Way Car Speaker System | 60 W RMS | 90 dB SPL

The Infinity Alpha 603M is a high-performance 6.5″ three-way car speaker system designed to deliver crisp highs, dynamic mids, and punchy bass with broad frequency response and high efficiency. Its advanced Plus One™ woofer cone architecture and edge-driven silk dome tweeter enable rich, distortion-free audio across the spectrum—making it ideal for audiophiles seeking a compelling factory upgrade or custom install.

With 60 W RMS (480 W peak) power handling, a 4 Ω impedance, and 90 dB sensitivity (@2.83V), the Alpha 603M delivers excellent output and clarity even when powered by standard head units. Engineered for clarity and durability, it combines premium materials like PEI dome tweeters with Infinity's proprietary sound-tuning, making it a competitively priced, high-value solution for everyday driving soundscapes.

Product Highlights:

6.5″ (165 mm) three-way car speaker system with grille for full-range sound

Plus One™ woofer cone architecture for increased cone area and bass response

Edge-driven silk dome tweeter for smooth, extended highs without harshness

PEI balanced dome tweeter for crystal-clear treble even at high output levels

High 90 dB sensitivity for strong output from factory or aftermarket head units

Tuned for consistent Infinity sound signature—powerful yet refined

Tech Specs:

Model: Alpha 603M

Type: 3-Way Coaxial Car Speaker System

Woofer: 165 mm (6.5″) Plus One™ polypropylene cone

Tweeter: Edge-driven silk dome tweeter + PEI balanced dome tweeter

Power: 60 W RMS / 480 W peak

Sensitivity: 90 dB (@2.83V)

Impedance: 4 Ω

Frequency Response: 55 Hz – 20 kHz

Applications: Front or rear factory replacement, custom installs, OEM upgrades, compatible with stock or amplified systems

Engineered by HARMAN, Tuned by Infinity

With patented innovations like the Plus One™ cone and the use of premium soft-dome tweeters, Infinity Alpha speakers are tuned to outperform the competition in both clarity and impact. Backed by decades of acoustic research from HARMAN, the Alpha 603M offers an affordable path to audiophile-grade performance, competitively engineered for balanced sound that’s never harsh—just honest.

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INFINITY ALPHA 603 | 6.5″ 2-Way Coaxial Speaker System

The Infinity Alpha 603 is a 6.5″ (165 mm) 2-way coaxial car speaker system crafted for drivers who want more musical detail and impact from their factory stereo setup. Featuring Infinity’s patented Plus One™ woofer cone and a high-output PEI balanced dome tweeter, this system delivers clear, immersive sound with enhanced bass and accurate highs—ideal for use as a full-range upgrade in front or rear locations.

Designed with Infinity’s competitively tuned sound signature, the Alpha 603 delivers consistent tonal balance across the frequency spectrum, making it an ideal match for both stock and aftermarket head units. With 60 W RMS (480 W peak) power handling and a broad 55 Hz–20 kHz frequency response, this speaker provides headroom and dynamic range typically found in higher-end systems—all while maintaining easy installation and 4 Ω compatibility.

Engineered for both clarity and affordability, the Infinity Alpha 603 is perfect for anyone looking to upgrade their car's audio system with a dependable, great-sounding coaxial solution backed by Infinity’s legacy of innovation.

Tech Specs

Model: Infinity Alpha 603

Type: 2-Way Coaxial Speaker System

Woofer: 6-1/2″ (165mm) Plus One™ woofer cone

Tweeter: PEI balanced dome tweeter

Power: 60 W RMS, 480 W peak

Sensitivity: 90 dB (@2.83V)

Impedance: 4 Ω nominal

Frequency Response: 55 Hz – 20 kHz

Applications: OEM replacement or upgrade for factory coaxial speaker locations; suitable for both front and rear installations

Key Highlights

Plus One™ Woofer Cone Architecture: Increases cone surface area for stronger bass output and better low-frequency performance than similarly sized speakers.

PEI Balanced Dome Tweeter: Delivers crisp, non-fatiguing high frequencies at all listening levels—ideal for long drives or daily commutes.

Competitively Tuned Sound: Each Alpha series speaker is voiced against leading competitors to ensure balanced response and consistent Infinity performance.

Durable and Efficient: Designed to perform reliably with factory or aftermarket head units without requiring external amplification.

Factory-Friendly Fit: The coaxial design simplifies installation with a single integrated unit, ideal for quick upgrades with minimal modifications.

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