Your search for 6.5 inch car speakers returned the following:

6-3/4" component speaker system

LOW STOCK

• foam and glass fiber composite sandwich woofer cone
• 1" Beryllium inverted-dome tweeter
• 2-way external crossover

6-3/4" component system

IN STOCK

3 people say 

• fiberglass laminate woofer cone with rubber surround
• 1" titanium inverted-dome tweeter
• 2-way external crossover with 3-position tweeter level and phase reversal settings

Thunder Axe Series 6-1/2" midbass speaker set

IN STOCK

• glass fiber cone with aluminum deposition
• power range: 10-150 watts RMS (300 watts peak power)
• frequency response: 43-250 Hz

W3v3 Series 6.5" 4-ohm subwoofer

IN STOCK

10 people say 

• mineral-filled polypropylene cone with nitrile-butylene rubber surround
• 30-300 Hz frequency response
• 40-150 watts RMS power range
  

Allows you to install 6-1/2" speakers in select 1996-up Harley-Davidson motorcycles

IN STOCK

MicroSub™ slot-ported enclosure with one 6-1/2" W3v3 subwoofer

IN STOCK

7 people say 

• slot-ported low-profile enclosure with one 6-1/2" W3v3 woofer
• 4-ohm total impedance
• power handling: 40-150 watts RMS

Includes a pair of 6-3/4" speakers — fits in 1964-66 Ford Mustang coupe

IN STOCK

1 person says 

• ABS plastic kick panel enclosures with precut speaker openings
• includes a pair of R-652N 6-3/4" speakers
• fits in 1964-66 Ford Mustangs

Install a 6-1/2" component speaker system in 2005-up Toyota Tacoma (Light Gray)

IN STOCK

• install a 6-1/2" component speaker system in 2005-up Toyota Tacoma

6-1/2" marine speakers

IN STOCK

10 people say 

• injection-molded mica-filled poly woofers
• synthetic rubber surrounds
• 3/4" silk dome tweeters

6-1/2" wakeboard tower speakers

IN STOCK

• injection-molded mineral-filled polypropylene woofer with Thermo-Plastic Elastomer surround
• 1" bridge-mounted aluminum alloy tweeter
• high-density sealed polyethylene enclosures with stainless steel grille

Wakeboard tower speaker system (Black)

IN STOCK

1 person says 

• high-gloss black finish with stainless steel hardware
• emerald-injected mica-poly woofer and 1" aluminum dome tweeter
• compression horn design 3 times louder than standard Tubbie

Wakeboard tower speaker system (White)

IN STOCK

1 person says 

• high-gloss white finish with stainless steel hardware
• emerald-injected mica-poly woofer and 1" aluminum dome tweeter
• compression horn design 3 times louder than standard Tubbie

6-3/4" marine component speaker system

LOW STOCK

2 people say 

• woven honeycomb glass fiber composite woofer
• 1" soft dome tweeter
• power range: 25-125 watts RMS

Wakeboard tower speaker system (Camouflage)

IN STOCK

1 person says 

• camouflage pattern finish
• emerald-injected mica-poly woofer and 1" aluminum dome tweeter
• 6-100 watts RMS power range

6-1/2" 2-way marine speakers

LOW STOCK

1 person says 

• injection-molded mineral-filled polypropylene woofer with TPE surround
• UV-stable Centrex® injection molded plastic parts and gold-plated input terminals
• 1" bridge-mounted aluminum alloy tweeter

6-1/2" wakeboard tower speakers (White)

IN STOCK

• power handling: 75 watts RMS/150 watts peak
• water-resistant polypropylene cone
• 1" Teteron tweeter

6-1/2" wakeboard tower speakers (Black)

IN STOCK

• power handling: 75 watts RMS/150 watts peak
• water-resistant polypropylene cone
• 1" Teteron tweeter

6-1/2" 2-way marine speakers

IN STOCK

2 people say 

• polypropylene woofer with rubber surround
• poly cone tweeter
• UV- and water-resistant

6-1/2" 2-way marine speakers (White)

IN STOCK

1 person says 

• poly-mica woofer with rubber surround
• white grille with aluminum dome tweeter
• 6-60 watts RMS power range

6-1/2" marine 2-way speakers

• 6-1/2" mica-injection polypropylene cone
• 1-1/4" PEI cone tweeter
• handles up to 50 watts RMS (100 watt peak)