Sign up for our Newsletter to receive sale and product updates! First Name Last Name Email address: Leave this field empty if you're human: X stands for eXtreme 🫨 The X SERIES amplifiers 3000 through 6000 series subwoofers can deliver th 4000 series components satisfies the serious SQ co #AudioDynamics #soundquality #soundqualitycaraudio 2000 Series 6" subwoofer chosen for this compact e 4000 Series Subs Powered by K3000.1 💪Civic Type SD800.4 ⭐️ BIG power in a small case ⭐️ 20 4000 series components ⭐️ 2000 series coxials Load More... Follow on Instagram