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Plus One Woofer Cones: The Plus One speaker cones offer more surface area than other speakers that fit in the same size opening. This is accomplished by using a different basket design and hi-roll surround. The result is greater bass output and an increase in efficiency.
Mounting: Infinity markets these speakers as having a 6½" woofer, and they will fit in standard 6½" speaker openings (approximately 5" diameter), but they do not use the standard 6½" speaker bolt pattern. The woofers are also easily installed in many standard 4-hole 6¾" applications with no modification. Please enter your vehicle information to confirm fit.
I-Mount Mounting System: The tweeters can be surface or flush mounted:
Surface Mount: Surface mounting the tweeters involves screwing the surface-mount cup to the mounting location, then inserting and locking the tweeter into the cup.
Flush Mount: Flush mounting is made easy through the use of the threaded flush-mount housing and plastic locking nut. Once a cutout is made, the tweeter is installed in the flush-mount adapter, then into the flush mount housing and inserted into the hole. The large plastic locking nut is threaded onto the adapter (from behind the mounting surface) to hold the complete assembly securely in place. When flush mounted, the tweeters may be angled for optimum response and imaging.
Starfish Mounting Brackets: The Starfish mounting brackets allow the tweeters to be installed in factory locations behind the grilles:
Bottom Mount: Once the Starfish bracket is trimmed, it is secured to the underside of the grille panel. The tweeter must be inserted into the bracket and locked into place before the bracket is mounted.
Surface Mount: Once the Starfish bracket is trimmed, it is screwed to the top of the mounting surface behind the grille panel. Then, the tweeter is inserted into the bracket and locked into place.
Flush Mount: There are two sets of tabs to flush mount the tweeter in the Starfish bracket, yielding different mounting dimensions. The upper tabs mount the tweeter completely below the opening and are glued in place. The lower mounting tabs are screwed in place and result in a mounting height just over 1/3 inch. Once the bracket is mounted, the tweeter is inserted into the bracket and locked into place.

6.5" Primus Series Component Car Speakers
Power Handling:

Peak: 360 watts per pair / 180 watts each side
RMS: 120 watts per pair / 60 watts each side

Plus One+ polypropylene woofer cone with hi-roll rubber surround
Starfish mounting brackets for easy tweeter installation in factory locations
Inline external crossover for Tweeters
Hi-roll rubber surround
3/4" edge-driven textile dome tweeter
3-ohm impedance for extra power (compatible with virtually all factory or aftermarket car stereos)
Frequency Response: 55-20,000 Hz
Top-mount Depth: 2"
Sensitivity: 92dB
Grills Not Included
1 Year Autosoundswarehouse Warranty

What's In The Box:

2 Woofers
2 Tweeters (each has attached 6" speaker leads with male quick-slides)
Two 18" Tweeter wires with in-line crossovers
2 Threaded tweeter flush-mount cups
2 Plastic locking nuts
2 Surface-mount cups
2 Starfish tweeter mounts
Eight 1" Pan head screws
Six 5/8" Flat head screws
8 Speed clips
2 Adhesive backed foam gaskets
Template and specs on box

Attention International customers: You are responsible for any and all customs, import duties, brokerage fees, and taxes. These charges are not included in the item price or stated shipping charges.

Additional shipping fees are required for locations including, but not limited to: PO Boxes, APO/FPO locations, Alaska, Hawaii, Puerto Rico, Guam, Saipan, Virgin Islands and other countries outside the USA.