The Model S, 3, X and Y all come with premium surround sound systems with an 8” subwoofer. But the Cybertruck will come with dual 8” ported subwoofers under the rear seats aimed forward.

Basic Subwoofer Box Construction for Pioneer's TS-SW124Ds, into a Standard-Cab Chevy S10 Pickup Truck, on sporttruck.com, the official website of Sport Truck Magazine.