ZR 4-Channel Class D Amplifier 4 x 150 Watts Rms @ 4-ohm
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
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.
The ZR600.4D is made to deliver 2 x 400W RMS @ 4-Ohms Bridge, 4 x 240W RMS @ 2-Ohms, and 4 x 150W RMS @ 4-Ohms giving you the perfect power for your bass.
Key Features
- Class D Stereo Full Range Amp
- MAX Wattage: 2400 Watts Peak
- RMS Wattage: 2 x 400W RMS @ 4-Ohms Bridge, 4 x 240W RMS @ 2-Ohms, 4 x 150W RMS @ 4-Ohms
- Frequency Response: 20Hz – 20KHz
- Signal to Noise Ratio: >90dB
- Efficiency at 4-Ohms: 90%
- Total Harmonic Distortion: 1%
- Input Range: 0.2v - 6v
- Selectable X-Over: FULL/LPF/HPF
- LED Indicator: Clipping, Power, Protect
- Power and Ground Terminal: 4 Ga
- Minimum Impedance: 2 Ohms (Stereo) / 4 Ohms (Bridge)
Great for
- Car Audio
- Pro Audio
- Off Road
- Motorcycles
- Stunt Walls
- DIY Projects





Technical Details
| SPECIFICATIONS | |
| POWER | |
| Total Watts (Peak) | 2400W |
| RMS Power @ 4 ohm | 4 x 150W |
| RMS Power @ 2 ohm | 4 x 240W |
| RMS Power @ 4 ohm Bridge | 2 x 400W |
| AUDIO | |
| Frequency Response | 20Hz-20KHz |
| Signal to Noise Ratio | >90dB |
| Efficiency @ 4ohm | 90% |
| 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 |
| FEATURES | Description / Type |
| 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 | 4ga |
| Fuse Size | 2*30A |
| 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 |
| MEASUREMENT | |
| Overall Length | 10" / 254mm |
| Overall Wide | 7.24" / 184mm |
| Overall Height | 2" / 53mm |
| Heatsink Length | 8.54" / 217mm |
| Gross Single Unit Weight | 4.11Lb |
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.