DS18 ZR600.4D ZR Class D 4-Channel Full Range Car Amplifier 150 x 4 @4 ohm 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 bass and help your speakers reach their maximum potential as a part of your sound system. The ZR600.4D offers a surplus of tuning options: Low pass, High pass, and Full Frequency Selector Switches, as well as Gain Knob to help tune any song to your frequency

DS18 ZR6.4D 6.5″ Car Subwoofer with 600 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 6 inch model comes in both dual 2 and dual 4 ohms configurations giving you many options to match your amplifiers optimal impedance

DS18 ZR8.2D 8″ Car Subwoofer with 900 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 8 inch model comes in both dual 2 and dual 4 ohms configurations giving you many options to match your amplifiers optimal impedance