Tools & Home Improvement. Patio, Lawn & Garden. Beauty & Personal Care. Pro Audio & Sound. Car Audio & Electronics. Sign Up for Our. Rockford Fosgate 10 Inch 400W 12 Gauge Car Audio Shallow/Slim Subwoofer (4 Pack). Part Number: 4 x R2SD2-10. This Rockford Fosgate R2SD2 10 400 Watt 10 Inch 2 Ohm Prime Series DVC Subwoofer is ideal when mounting space is limited due to its shallow design. The reduced depth is made possible by an elevated motor structure.… Continue Reading ››