DS18 ZR1600.4D ZR Class D 4-Channel Stereo Full Range Car Audio Amplifier 4 x 400 @4 Ohms Watts RMS DS18’s ZR series of amplifiers are guaranteed to supercharge your sound system to deliver brilliant sound and bulky bass frequencies. The ZR series was designed to pump up the volume and help your speakers reach their maximum potential as a part of your sound system. These amps offer a surplus of tuning options: the ZR1600.4D comes with Lowpass, and Highpass filters to help tune any song to your frequency

DS18 ZR6.2D 6.5″ Car Subwoofer with 600 Watts 2-Ohm DVC The ZR subline is a great entry level subwoofer that both handles great power and gives you smooth clean bass. These subs work great in both sealed and ported boxes giving you many options for placement in any vehicle. This 6 inch model comes in both dual 2 and dual 4 ohm configurations giving you many options to match your amplifiers optimal impedance

DS18 ZR8.4D 8″ Car Subwoofer with 900 Watts 4-Ohm DVC The ZR subline is a great entry level subwoofer that both handles great power and gives you smooth clean bass. These subs work great in both sealed and ported boxes giving you many options for placement in any vehicle. This 8 inch model comes in both dual 2 and dual 4 ohm configurations giving you many options to match your amplifiers optimal impedance