Your search for subwoofer cable returned the following:

Subwoofer cable (3-meter/9.8 feet)

IN STOCK

7 people say 

• two silver-plated solid copper conductors (silver layer is 1.25% of total conductor)
• 100% coverage shield and foam insulation
• 24k gold-plated RCA connectors to resist corrosion

Subwoofer cable (2-meter/6.6 feet)

IN STOCK

7 people say 

• two silver-plated solid copper conductors (silver layer is 1.25% of total conductor)
• 100% coverage shield and foam insulation
• 24k gold-plated RCA connectors

Subwoofer cable (6-meter/19.7 feet)

IN STOCK

7 people say 

• two silver-plated solid copper conductors (silver layer is 1.25% of total conductor)
• 100% coverage shield and foam insulation
• 24k gold-plated RCA connectors to resist corrosion

Vented enclosure with two 7" subwoofers

LOW STOCK

1 person says 

• subwoofer for Helix plug and Play system upgrade
• two 7" DVC 2-ohm subwoofers
• vented enclosure

Connect a powered Bazooka Bass Tube® to your factory radio

IN STOCK

3 people say 

• Everything you need to connect a 100-watt Bazooka tube to your factory radio
• includes F.A.S.T.-9999 universal connection harness and F.A.S.T.-BTAH extension cable