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ZXI.4XL – ELITE Full-Range 4-Channel Class D Amplifier – 250W x 4CH @ 4 OHM
The ZXI Series is one of the leading amplifier families in DS18’s catalog!
As one of our best-selling lines, it’s only right we honor it with EXTREME upgrades given our decade of experience!
The ZXI.4XL is one of the most versatile amplifiers in our catalog: this Full-Range Amplifier outputs enough power to supercharge any powerful competitive or casual sound system and any of the components that build it!
This 4-channel amplifier pure and clean 4-channel signal and 2 channel outputs to run HQ signal to run to another amp or string of amps. There is also a selector switch to move from 4 channel to 2 channel mode.
Built from top of the line components (Block Style Terminals, Fully Variable Crossover, Platinum Finish Connections, and High Quality Protection Circuitry) this amplifier is guaranteed to deliver insane quantities of RMS Power on demand!
The ZXI.4XL handles 250W x 4CH @ 4 OHM; 400W x 4CH @ 2 OHM; and 800W x 2CH @ 4 OHM Bridge of RMS Power.
REQUIRES 200A OF EXTERNAL FUSING
Boost your system’s power today with the ZXI.4XL!
Order your ZXI Amplifier today to take your system to the next level!
Highlights
Great For





| SPECIFICATIONS | |
| POWER | |
| Total Watts (Peak) | 4800W |
| RMS Power @ 4 ohm | 4 x 250W |
| RMS Power @ 2 ohm | 4 x 400W |
| RMS Power @ 1 ohm | N/A |
| RMS Power @ 4 ohm Bridge | 2 x 800W |
| AUDIO | |
| Frequency Response | 20Hz-20KHz |
| Signal to Noise Ratio | >90dB |
| Efficiency @ 4ohm | >85% |
| Damping Factor | >200 |
| Total Harmonic Distortion (THD) | <0.1% |
| Low Level Input Range | 0.2 - 6v |
| High Level Input | No |
| Selectable X-Over | LPF/FULL/HPF |
| X-Over Filter Range | 40Hz-4KHz |
| Bass Boost Range | No |
| Bass Boost Frequency | No |
| Infrasonic Filter | No |
| Phase Selector | No |
| FEATURES | |
| Amplifier Class | Digital |
| Amplifier Type | Stereo Full Range |
| Number of Channels | 4 |
| Minimum Impedance | 2 ohm (Stereo) / 4 ohm (Bridge) |
| Led Indicator | Power/Protection/Clip |
| Power Input Terminal Size | 4ga |
| Fuse Size | 200A (External) |
| Remote Level Control | No |
| Cooling Fan | No |
| Voltmeter | No |
| Thermal Protection | Yes (>160°F / 71°C) |
| Over-Load Protection | Yes |
| DC Output Protection | Yes |
| Short Circuit Output Protection | Yes |
| Voltage Input Protection | Yes (8.5-16.8V) |
| Cliping Protection | Yes |
| Body Color / Finish | Black Aluminum Brush |
| MEASUREMENT | |
| Overall Lengh | 12.2" / 310mm |
| Overall Wide | 5.66" / 144mm |
| Overall Height | 1.9" / 48.5mm |
| Heatsink Length | 11.42" / 290mm |
| SKU | ZXI.4XL |
|---|---|
| Total Watts (Peak) | 4800W |
| RMS Power @ 4 ohm | 4 x 250W |
| RMS Power @ 2 ohm | 4 x 400W |
| RMS Power @ 1 ohm | N/A |
| RMS Power @ 4 ohm Bridge | 2 x 800W |
| Frequency Response | 20Hz-20KHz |
| Signal to Noise Ratio | >90dB |
| Efficiency @ 4ohm | >85% |
| Damping Factor | >200 |
| Total Harmonic Distortion (THD) | <0.1% |
| Low Level Input Range | 0.2 - 6v |
| High Level Input | No |
| Selectable X-Over | LPF/FULL/HPF |
| X-Over Filter Range | 40Hz-4KHz |
| Bass Boost Range | No |
| Bass Boost Frequency | No |
| 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 | Power/Protection/Clip |
| Power Input Terminal Size | 4ga |
| Fuse Size | 200A (External) |
| Remote Level Control | No |
| Cooling Fan | No |
| Voltmeter | No |
| Thermal Protection | Yes (>160°F / 71°C) |
| Over-Load Protection | Yes |
| DC Output Protection | Yes |
| Short Circuit Output Protection | Yes |
| Voltage Input Protection | Yes (8.5-16.8V) |
| Cliping Protection | Yes |
| Body Color / Finish | Black Aluminum Brush |
| Tiffany RCA connectors | Yes |
| Input Selector | Yes (2ch/4ch) |
| Compact Size to easy Installation for Any Applications | Yes |
| Stable/Reliable Two Layers Traces PCB Design | Yes |
| Quality Control Verification using Audio Precision Instruments | Yes |
| Overall Length | 12.2" / 310mm |
| Overall Wide | 5.66" / 144mm |
| Overall Height | 1.9" / 48.5mm |
| Heatsink Length | 11.42" / 290mm |
| Gross Single Unit Weight (lb) | 7 |
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Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
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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.
















