Features:

• Made with 3/4" MDF
• The "J Port" allows for the air to flow without port noise or distortion
• Sprayed with durable Bed Liner for extra bass response
• Tuning Frequency: 30 HZ
• 4.00 Air Space (Total)
• Screw In Terminals

Specifications:

• Width = 36"
• Depth = 17"
• Height = 14.25"