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DS18’s MRX300D offers complete control over your boat's sound system!
Connecting is easy with Bluetooth v5.0 for seamless audio streaming from all your favorite devices. The USB port allows for music playback and charging, supporting up to 64GB of MP3 and WMA files. With an included AUX input, REMOTE input (MXRC Recommended), AND REARVIEW CAMERA input, your marine or powersports vehicle will be ready for anything!
Equipped with an AM/FM tuner and DAB+ compatibility, the MRX300D comes with 30 presets for easy access to your favorite stations. Its universal mounting hole ensures a seamless fit into any boat's dashboard, while its IPX6 rating and UV/salt resistance guarantee long-lasting durability against harsh marine conditions.
The 3-inch full-color TFT display of the MRX300D is protected by Gorilla Glass and bonded to be resistant to both water and impact. The adjustable backlit buttons, available in seven colors, provide a stunning interface that is easy to navigate even in low-light conditions.
But it's not just about looks – the MRX300D delivers exceptional audio performance as well. With three independent zones of control, you can customize the volume and tone settings for each area of your boat. The 2-band EQ allows precise adjustments of bass and treble on each zone, ensuring optimal sound reproduction tailored to your preferences. With a powerful 4.5-volt pre-amp output, this head unit delivers a staggering 50 W of MAX power per channel at 2 ohm.
Experience DS18’s MRX300D and elevate your marine audio to new heights.
| SKU | MRX300D |
|---|---|
| Operating Voltage | 10.5 - 16 Volts |
| Low Voltage Warning Alert | YES (< 10.5V) |
| Waterproof Rating | IP65 |
| UV/Salt Protection | YES, B117 Salt Fog & D4329 UV Exposure Tested |
| Buttons | Rubber + RGB Backlit 7 Colors Selectable (Auto/White/Red/Blue/Green/Purple/Cyan/Yellow) |
| Screen Panel | Gorilla Glass with Wet Bonded Display |
| EEPROM | Yes (all settings are saved when power is disconnected) |
| Display Type | Thin Film Transistor (TFT) Display |
| Resolution | 640*360 pixel, IPS |
| DAB | Frequency Range: 174.928-239.200 MHz Sensitivity: 93dB Stereo separation: 50 dB at 1 kHz Signal/noise ratio(S/N): 65 dB |
| RMS | 4 x 18W @ 4ohm, 4 x 25W @ 2ohm |
| Max | 4 x 50W @ 2ohm |
| Min Load | 2 ohm Stable per Channel |
| Frequency Response | 20Hz to 20Khz |
| RCA Pre-Out Voltage | 4.5 Volts |
| Output Impedance | 500ohm |
| Equalizer | 2 Bands (Bass 80Hz, Treble 12Khz) |
| Presets | YES (S-Bass/Vocal/Powerful/clarity) |
| Subwoofer Control | Level (0 to 40) |
| Audio Zones | 3 Zones (Stereo + Subwoofer each) |
| Independent Zone Control | YES (Level/Tone) |
| Audio Input | L+R RCA (Aux Input) |
| FM Frequency Range | 87.5 - 108 MHz |
| AM Frequency Range | 522 - 1620 KHz |
| Tuner Presets | 18 FM / 12 AM |
| Radio Data System | YES (AF/TA/NEWS) Selectable |
| Frequency Range | 174.928-239.200 MHz |
| Sensitivity | 93 dB |
| Stereo separation | 50 dB at 1 kHz |
| Signal/noise ratio(S/N) | 65 dB |
| Bluetooth Version | 5.0 + EDR |
| Audio Streaming | A2DP |
| USB Compatibility | v2.0 |
| USB Capacity | 64 Gb Max |
| USB Charge Capacity | 2.1Amp |
| Audio Files Compatibility | MP3, WMA |
| Remote Control | Wired 3.5mm Jack Input, (Compatible with MXRC) |
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.






