Features:

• F.A.S.T. Ring Kit for 6" and 6.5" speakers
• For Acoustically Sealing Transducer
• 3-Ring DNA:
• Gasket for speaker mounting to the baffle plate surface
• Middle ring to mount around the outer edge of the speaker
• Circular foam pad goes behind the speaker to absorb unwanted reflections on hard surfaces, such as inside a car door
• Automotive-grade open-cell foam
• Includes 3 piece foam speaker rings
• Acoustically seals speakers for better sound performance
• Absorbs rear wave, prevents front and rear wave cancellation and reduces panels vibrations
• Reduce panel vibration
• Increase mid-bass response
• Enhanced audio output efficiency
• Minimize destructive wave interference
• Help prevent front and rear wave cancellation
• Easy installation with peel & stick application
• Maximize performance for speaker installations