White, 4.7 in x 4.7 in x 7.3 in, 2-way. Pyramid Car Audio prides itself as being the most affordable solution to car audio. Its Marine box speaker system 3071WP features a vented design for high power and low bass, a 3.5" poly woofer, 1" high-compliance Mylar tweeter and a built-in spring loaded mounting system. The system is equipped with aluminum brackets.