DS18 400 x 4 Watts RMS Full-Range Class D 4-Channel Amplifier | ZR1600.4D
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DS18 400 x 4 Watts RMS Full-Range Class D 4-Channel Amplifier



Model #ZR1600.4D

In Stock

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DS18’s ZR series of amplifiers are guaranteed to supercharge your subwoofers to deliver brilliant sound and bulky bass frequencies.

The ZR series was designed to pump up the bass and help your subwoofers 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, High pass, and Subsonic filters to help tune any song to your frequency.

The included bass knob will help you attenuate your bass with a quick turn of the dial to tune in your bass volume with every song you play. The ZR1600.4D car audio amplifier is made to deliver 2 x 1200 watts RMS @ 4-Ohm Bridge, 4 x 680 watts RMS @ 2-Ohms, and 4 x 400 watts RMS @ 4-Ohm giving you the perfect power for your bass.


  • Digital Class D
  • MAX Wattage: 7200W Peak
  • RMS Wattage: 2 x 1200 Watts RMS @ 4-Ohms Bridge, 4 x 680 Watts RMS @ 2-Ohms, 4 x 400 Watts RMS @ 4-Ohms
  • Frequency Response: 20Hz – 20KHz
  • Signal to Noise Ratio: >90dB
  • Efficiency at 4-Ohms: 82%
  • Total Harmonic Distortion: 1%
  • Input Range: 0.2v - 6v
  • Selectable X-Over: FULL/LPF/HPF
  • Bass Boost: 0-12dB
  • Phase: 0-180
  • LED Indicator: Clipping, Power, Protect
  • Power and Ground Terminal: 0 Ga
  • Minimum Impedance: 2 Ohm (Stereo) / 4 Ohm (Bridge)
  • Great for: Car Audio, Pro Audio, Off Road, Motor Cycles, Stunt Walls, DIY Projects
Technical Details


  • Total Watts (Peak): 7200W
  • RMS Power @ 4 ohm: 4 x 400W
  • RMS Power @ 2 ohm: 4 x 680W
  • RMS Power @ 4 ohm Bridge: 2 x 1200W


  • Frequency Response: 20Hz-20KHz
  • Signal to Noise Ratio: >90dB
  • Efficiency @ 4ohm: 82%
  • Damping Factor: 160
  • Input Impedance: 20K ohm
  • Channel Separation: 60dB
  • Total Harmonic Distortion (THD): 1.00%
  • Low-Level Input Range: 0.2-6V
  • High-Level Input: No
  • Selectable X-Over: FULL/LPF/HPF
  • X-Over Filter Range: 40Hz-4KHz
  • Bass Boost Range: No
  • Bass Boost Frequency: N/A
  • Infrasonic Filter: No
  • Phase Selector: No


  • Amplifier Class: Digital
  • Amplifier Type: Stereo Full Range
  • Number of Channels: 4
  • Minimum Impedance: 2 ohm (Stereo) / 4 ohm (Bridge)
  • Led Indicator: clipping/protect/power
  • Power Input Terminal Size: 0ga
  • Fuse Size: 280A
  • Remote Level Control: No
  • Cooling Fan: No
  • Voltmeter: No
  • Thermal Protection: Yes
  • Over-Load Protection: Yes
  • DC Output Protection: Yes
  • Short Circuit Output Protection: Yes
  • Voltage Input Protection: Yes <9 / >16 Volts
  • Clipping Protection: Yes
  • Body Color / Finish: Black Aluminum Brush


  • Overall Length: 12.83" / 326mm
  • Overall Wide: 7.24" / 184mm
  • Overall Height: 2" / 53mm
  • Heatsink Length : 11.45" / 291mm
  • Gross Single Unit Weight: 6.18 LB
Install Instructions:

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Who Is DS18?

DS18 is a company that is based in Miami, Florida, USA. The company specializes in manufacturing high-quality electronics used in different industries such as the marine, home electronics, and automotive industries. Today, DS18 is considered the leading manufacturer of sound system equipment in the market.

Wide Range Of Audio Products

DS18 was developed and created by a group of young and passionate professionals who have a deep understanding of the needs of the audio industry. The company offers a wide range of products from speakers, amplifiers, subwoofers, midranges, tweeters, cables, accessories, component sets, and more. Over the years, DS18 has met the demands of many audiophiles around the world.

Well-Designed Products

The company has never stopped innovating its product offering by providing a unique and progressive product design that adapts to the ever-changing trend of the automotive industry. By getting their customer’s feedback, they can constantly improve their products which help them create the best sound system in the market today.

DS18 has revolutionized the market by offering trendy products that people love. Through constant research and development, DS18 was able to deliver the most outstanding products technology can offer. 

Purchase DS18 Products At DS18

If you are in the market for a high-quality sound system that would elevate how your in-car infotainment system would sound, then look no further as DS 18 is the brand for you. To know more about DS18 and what they can offer, visit Vivid Racing and check out their list of products that fit your specific requirement.

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