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 f
