Your search for 6 3 4 speaker returned the following:

Protect your speakers (Slim-line: 3-3/8" depth)

IN STOCK

12 people say 

• Waterproof
• fit behind your speakers to keep them clean and dry
• 3-3/8" deep
  

Protect your speakers (4-1/2" depth)

IN STOCK

12 people say 

• Waterproof
• fit behind your speakers to keep them clean and dry
• 4-1/2" deep
  

Protect your speakers Regular and slim-line sizes (Regular: 4-1/4" depth)

IN STOCK

3 people say 

• Keep your speakers clean and dry
• reduce panel vibration
• 4-1/4" deep
  

Protect your speakers Regular and slim-line sizes (Slim-line: 3" depth)

IN STOCK

3 people say 

• Keep your speakers clean and dry
• reduce panel vibration
• 3" deep
  

Protect your speakers (3-1/4" depth)

IN STOCK

85 people say 

• Waterproof
• fit behind your speakers to keep them clean and dry
• 3-1/4" deep
  

Protect your speakers (Slim-line: 3-3/4" depth)

IN STOCK

14 people say 

• Waterproof
• fit behind your speakers to keep them clean and dry
• 3-3/4" deep

Fits select 2005-up vehicles (for 6-1/2" and 6-3/4" speakers)

IN STOCK

53 people say 

Fits select 2006-up Honda and Acura vehicles (for 6-1/2" and 6-3/4" speakers)

IN STOCK

31 people say 

Fits select 2002-up Ford, Lexus, Scion, and Toyota vehicles (for 6-1/2" and 6-3/4" speakers)

IN STOCK

42 people say 

Fits a variety of 2000-up vehicles (for 6-1/2" and 6-3/4" speakers)

IN STOCK

31 people say 

Fits select 1999-06 BMW 3-Series models (for 5-1/4" or 6-1/2" speakers)

IN STOCK

7 people say 

Fits select 2006-up Honda Ridgeline models (for 6-1/2" and 6-3/4" speakers)

IN STOCK

9 people say 

Install 3-1/2" speakers in your 4"x6" openings

IN STOCK