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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. These amps offer a surplus of tuning options: the ZR800.4D comes with Lowpass, and High Pass filters to help tune any song to your frequency.
The ZR800.4D is made to deliver 2 x 600 watts RMS @ 4-Ohms Bridge, 4 x 320 watts RMS @ 2-Ohms, and 4 x 200 watts RMS @ 4-Ohms giving you the perfect power for your bass.
Key Features
Great for:





| Specifications | |
| POWER | |
| Total Watts (Peak) | 3600W |
| RMS Power @ 4 ohm | 4 x 200W |
| RMS Power @ 2 ohm | 4 x 320W |
| RMS Power @ 4 ohm Bridge | 2 x 600W |
| AUDIO | |
| Frequency Response | 20Hz-20KHz |
| Signal to Noise Ratio | >90dB |
| Efficiency @ 4ohm | 88% |
| Damping Factor | 160 |
| Input Impedance | 20K ohms |
| 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 | |
| Amplifier Class | Digital |
| Amplifier Type | Stereo Full Range |
| Number of Channels | 4 |
| Minimum Impedance | 2 ohms (Stereo) / 4 ohms (Bridge) |
| Led Indicator | clipping/protect/power |
| Power Input Terminal Size | 4 GA |
| Fuse Size | 120A |
| 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 | 5 LB |
| SKU | ZR800.4D |
|---|---|
| Total Watts (Peak) | 3600W |
| RMS Power @ 4 Ohm | 4 x 200W |
| RMS Power @ 2 Ohm | 4 x 320W |
| RMS Power @ 4 Ohm Bridge | 2 x 600W |
| Frequency Response | 20Hz-20KHz |
| Signal to Noise Ratio | >90dB |
| Efficiency @ 4 Ohm | 88% |
| Damping Factor | 160 |
| Input Impedance | 20K ohms |
| 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 |
| 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 | 4 GA |
| Fuse Size | 120 A |
| Thermal Protection | Yes |
| Over-Load Protection | Yes |
| DC Output Protection | Yes |
| Short Circuit Output Protection | Yes |
| Voltage Input Protection | Yes |
| Clipping Protection | Yes |
| Body Color / Finish | Black Aluminum Brush |
| Overall Length | 10" / 254mm |
| Overall Wide | 7.24" / 184mm |
| Overall Height | 2" / 53mm |
| Heatsink Length | 8.54" / 217mm |
| Gross Single Unit Weight | 5 LB |
Most products ship directly from our vendor warehouses or distributor network. Shipping times can vary depending on the brand, product size, availability, and destination.
Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
If there is ever an issue with availability, shipping cost, or delivery timing, we will contact you before moving forward with the order.
Returns may be accepted on most new, unused, unopened items within 30 days of delivery. Items must be in original packaging and in resellable condition.
Installed, used, damaged, missing-parts, electrical, special-order, clearance, or custom-built items may not be eligible for return.
Return shipping is normally the customer’s responsibility unless the return is due to our mistake, such as the wrong item being shipped.
Before sending anything back, please contact Kaos Offroad so we can review the order and provide return instructions. Returns sent without approval may be refused.
Some products are vehicle-specific. Please verify fitment before ordering. If you are unsure, contact us with your year, make, model, sub-model, and any relevant details before purchasing.
Original shipping charges, freight charges, and vendor restocking fees may be non-refundable depending on the item and supplier policy.
















