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INFINITY SPEAKERS ALPHA 6930
MRP: €89.88 Offer Price: €62.99
Upgrade your in-car sound with the Infinity Alpha 6930 6×9-inch 3-Way Coaxial Speakers. Designed for clean vocals, powerful mid-bass, and sparkling highs, they deliver a full-range listening experience far superior to stock speakers. Built with rugged Infinity reliability, they perform flawlessly even in India’s demanding road and climate conditions.
Description
Key Specifications
| Spec | Value |
|---|---|
| Power Handling (RMS) | ~ 70 W RMS my.infinityspeakers.com+2infinity-caraudio.com.au+2 |
| Peak / Max Power | ~ 490 W Peak my.infinityspeakers.com+2Audiotech by Fasmoto+2 |
| Impedance (Nominal) | 4 Ω my.infinityspeakers.com+2infinity-caraudio.com.au+2 |
| Sensitivity | ~ 92 dB (measured @ 2.83 V / 1 m) my.infinityspeakers.com+2infinity-caraudio.com.au+2 |
| Frequency Response | ~ 50 Hz – 21,000 Hz my.infinityspeakers.com+2Audiotech by Fasmoto+2 |
| Speaker Configuration | 3-way coaxial (includes woofer, mid, super / tweeter) infinity-caraudio.com.au+1 |
Build & Features
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Woofer Cone Material: Injection-molded polypropylene — offers a rugged cone that resists moisture, warping, etc., and gives a decent balance of stiffness vs weight. infinity-caraudio.com.au+1
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Tweeter / Super-Tweeter: Includes a “Piezoelectric supertweeter” / high frequency element to extend treble. Audiotech by Fasmoto+1
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Design / Construction: The Alpha series emphasizes value engineering + reliability: environmental stress (heat, vibration, UV etc.) testing, competitively tuned crossover, etc. infinity-caraudio.com.au+1
Thiele-Small & Other Technical Parameters
From the Alpha 6930 manual / spec sheet: infinity-caraudio.com.au+1
| Parameter | Value |
|---|---|
| DCR (DC resistance) | ~ 2.3 Ω infinity-caraudio.com.au |
| Mms (moving mass) | ~ 17.755 g infinity-caraudio.com.au |
| Sd (cone area) | ~ 213.565 cm² infinity-caraudio.com.au |
| Fs (free-air resonance) | ~ 70 Hz infinity-caraudio.com.au |
| BL (magnetic strength) | ~ 3.496 T·m infinity-caraudio.com.au |
| Cms (compliance of suspension) | ~ 306.333 μm/N infinity-caraudio.com.au |
| Qes, Qms, Qts | Qes ≈ 1.432; Qms ≈ 3.99; Qts ≈ 1.054 infinity-caraudio.com.au |
What It Means in Practice / Use Cases
Here’s what you can expect if you use these speakers in a car audio system:
Strengths
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With 70 W RMS and 92 dB sensitivity, these speakers will play reasonably loud with good clarity from a moderate head unit or small amplifier. You’ll get better output than many stock oval speakers.
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The frequency response (down to ~50 Hz) gives them decent low-bass extension for ovals; though not as deep as a full subwoofer, they’ll fill in a lot of bass for many music genres.
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The 3-way design helps to separate mid/low, mid, and high frequencies better than simple 2-way coaxials; the supertweeter adds sparkle in highs (cymbals, extreme treble) that some ordinary speakers lack.
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Durable build: the materials (polypropylene cone, etc.) and testing ensure that they are likely to last well under road-vibration, heat, etc.
Limitations / What to Be Careful Of
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The lower cutoff (~50 Hz) means you won’t get rock-bottom bass (subwoofer-level) especially if the car is large or you like very deep bass (e.g. EDM, dubstep etc.). A subwoofer will still help if you want real sub bass.
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Peak power ratings can be misleading; 490 W peak is for short bursts. Sustained high volume will push heating, distortion etc.
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Because of the 3-way design, proper crossover and installation matter: miswiring or poor mounting of tweeters/supertweeters may lead to poor imaging, phase issues, or glare in the highs.
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Impedance is 4 ohm nominal; check your amplifier or head unit to make sure it can handle that and has good current, good quality wiring etc.
1 review for INFINITY SPEAKERS ALPHA 6930
INFINITY SPEAKERS ALPHA 6930
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“Easy to install and delivers powerful audio. Definitely a worthwhile upgrade for my car.”