Better then my aalphasonik components.I have hertz in the back which are better then the infinitys but I like them a lot.Satisfied with price point to quality.
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These speakers are specially designed with true 4ohm technology. The impedance of these speakers are 3ohms, but when you pair them with thin factory wiring, the impedance will naturally rise up to a true 4ohms resulting in a maximum amount of power draw from your 4ohm rated factory receiver, aftermarket deck, or external amplifier. What it comes down to is efficiency. If you need a speaker that will get the most out of your current sound system, the Reference X series is for you.
Each of the Reference X speakers features plus one woofer cone technology. This means the cone has been designed to be slightly larger than comparable speakers, giving you even more output on the same amount of power. This drastically increases the efficiency of the speaker, and also extends the frequency response even lower to give you that nice thump you’ve been looking for.
Want an easy upgrade for your factory speakers without going over your budget? The Infinity Reference X Series is for you. Its engineered to bring your factory audio system to life, or to add clarity and depth to an aftermarket system. With innovative, patented technologies, and the kind of premium quality and construction that you would expect from the worlds top-selling premium car speaker brand, Infinity Reference X speakers will transform your listening experience into something amazing.
Priced Per Complete Component System: 2 midwoofers, 2 crossovers and 2 tweeters
PEI is an acronym for "Polyetherimide" which is an amorphous, amber transparent, high-performance thermoplastic.
Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
September 17, 2013
I got this kit installed and tested and here is my opinion. The good: Kit has all you need for an installation with all kinds of extras, attachments and such. The bad: The crossover by it self is to a large degree a disappointment, in fact I had to modify it to make it in to an excellent unit. The sound: After the modification to the crossover, this speakers sound just great. Verdict: Even if you can't change the crossover the over all sound of the system is far superior to any other speakers I have listened to. Also the price of them is lower then other systems. A win win situation.
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Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.
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