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INFINITY SPEAKERS PRIMUS 6512ISHI
MRP: €83.88 Offer Price: €58.79
Upgrade your factory sound with the Infinity Reference REF-6532ix 6.5″ 2-Way Coaxial Speakers. Built for clear vocals, smooth treble, and balanced mid-bass, they feature Infinity’s Plus One™ polypropylene woofer cone and edge-driven textile tweeters for crisp detail and impressive output—even with stock head units.
Description
Technical Specifications
| Parameter | Value |
|---|---|
| Size | 6.5-inch (≈ 16.5 cm) coaxial speaker (one unit of pair) my.infinityspeakers.com+2theWinkel+2 |
| Nominal RMS Power Handling | ≈ 55 Watts RMS per speaker theWinkel+2Flipkart+2 |
| Peak Power Handling | ≈ 165–220 Watts peak depending on source. Some listings say 165 W, others 220 W. theWinkel+2Flipkart+2 |
| Impedance (Nominal) | ≈ 2.7 ohms theWinkel+1 |
| Sensitivity | ≈ 88 dB (measured at 2.83 V / 1 m) Flipkart+2my.infinityspeakers.com+2 |
| Frequency Response | ≈ 53 Hz – 20,000 Hz (≈ 53 Hz lower limit, ~20 kHz upper) my.infinityspeakers.com+2Flipkart+2 |
| Cone Material | Polypropylene (“Plus One™” Polypropylene) cone for the woofer. theWinkel+1 |
| Tweeter Type | Edge-driven tweeter (textile/soft dome) integrated coaxially. theWinkel+1 |
Features & Build
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Plus One™ woofer cone design: The woofer has more radiating surface area compared to many competitors of similar size. This is to improve output (especially in the lower frequencies) and improve sensitivity. my.infinityspeakers.com+1
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Hi-roll rubber surround: Helps in woofer excursion, improves durability, helps keep distortion lower when pushed. theWinkel+1
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True 4 ohm architecture: Even though the nominal impedance is ~2.7 ohms, the speaker design is built to allow for higher current draw, meaning the amplifier can deliver more power safely—this helps with peak performance. theWinkel+1
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Harman / Infinity reliability testing: The speakers are subjected to environmental stresses (temperature, vibration, UV, etc.) to ensure long-term reliability. my.infinityspeakers.com+1
What’s in the Box
From retailer descriptions: theWinkel
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2× speakers (i.e. a pair)
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2× speaker grilles
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Flush-mount adapters (threaded) to help with mounting in different situations
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Foam gasket
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Mounting hardware: screws, speed clips etc.
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Warranty card
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Owner’s manual theWinkel
What to Expect in Performance
Strengths
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Better than stock speakers: good clarity, especially in mids & highs. The tweeter is decent for vocals and treble.
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The lower frequency limit (~53 Hz) gives you reasonable punch — better for normal music listening though not deep sub-bass.
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Because of good RMS & peak ratings, paired with a decent amplifier or a good head unit, you can push these speakers to fairly loud levels without large distortion (if installation & power are done properly).
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Good build / durability — rubber surrounds, decent cones, reliability testing are pluses for long-term use.
Limitations / Trade-offs
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The low end is limited: below ~50 Hz, you won’t get strong output; for deep bass (EDM, bass lines, etc.) you will need a subwoofer.
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The impedance being lower (~2.7 ohm) means the amplifier or head-unit must be capable of handling lower impedance loads without overheating or distortion. Poor wiring or low quality amp might cause issues.
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Peak power numbers (165-220 W) are momentary – they don’t mean you can continuously drive at that power. Sustained use at high volume may lead to heating, distortion.
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Mounting depth / enclosure: depending on your car, the speakers might be constrained by door panel depth etc; if not mounted cleanly or sealed well, performance could suffer.
1 review for INFINITY SPEAKERS PRIMUS 6512ISHI
INFINITY SPEAKERS PRIMUS 6512ISHI
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Clear highs and solid mid-bass—perfect upgrade for my car’s audio system!