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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Our woofers are matched to the impedance of your factory woofers (we have different versions for each) to maximize performance and ensure the longevity of your factory amplifier
High voltage & High Current coil design using technology from Marine & Aerospace applications
 These fittings work with most all ethanol sensors without the need to cut and splice or replace entire line sets
2X THE BASS
Forged at a fraction™ of the cost of other options on the market without sacrificing quality
Stage One BMW Speaker Upgrade for E60/E61 Sedan/Wagon with Premium Top Hi-Fi Exterior Our woofers are matched toGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS We took your factory BMW speakers and re engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music. PLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: We engineered the Stage One speakers
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