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DS18 NXL-M5 5-Channel IPX5 Marine Grade Amplifier
4 x 150 Watts RMS @ 4 ohm (+) 1 x 600 Watts RMS @ 2 Ohm
Introducing DS18’s NXL-M5, a full-range marine amplifier that combines cutting edge technology, unmatched durability, and mind-blowing sound quality.
Utilizing an impressive MAX power of 3600W, the NXL-M5 delivers unrivaled performance that will make your system soar. With its RMS power output of 4 x 150W and a whopping 600W for SUB’s, the NXL-M5 guarantees consistent audio performance that is guaranteed to satisfy even the most discerning audiophile. The DS18 NXL-M5 covers the full range of frequencies ensuring that every beat, note, and whisper is reproduced with unrivaled precision.
Crafted with a focus on longevity, the NXL-M5 is built to withstand the harshest marine environments. Made from hardware resistant to corrosion and UV rays, the NXL-M5 is guaranteed to stand the test of time, even under the most challenging circumstances. The coated 4-layer PCB provides an additional layer of protection against corrosion, guaranteeing the NXL-M5's reliability for years to come.
Your peace of mind is our top priority. The NXL-M5 features a stable and reliable Class D circuit design, accompanied by built-in protections against short circuits, thermal issues, and voltage fluctuations. This ensures that your amplifier remains safe and continues displaying extraordinary performance, no matter the circumstances. Its front cover shields the controls from the elements, ensuring that you can fine-tune your audio settings without worry. While the LED clip indicator provides visual feedback, enabling you to make precise adjustments effortlessly.
Take full command of your audio experience with the waterproof remote level bass knob specially designed for easy installation on your boat's panel or wet areas. Seamlessly adjust the bass output without compromising your enjoyment or exposing the amplifier to potential damage. DS18 understands the importance of convenience and versatility in your marine adventures.
At DS18, we pride ourselves on our commitment to excellence. The NXL-M5 undergoes rigorous Audio Precision Quality Control Verification and sound quality verification using AP instruments. This meticulous testing guarantees that every unit meets our uncompromising standards and provides you with an unparalleled listening experience.
Highlights
- Hardware resistant to corrosion and UV protection
- Coated 4 Layers PCB to prevent corrosion
- Class D Circuit Design
- IP55 Water resistant grade
- Front cover to keep the controls safe to the elements
- LED Clip Indicator to easier adjustment
- High Quality Potentiometers with copper shaft
- Surface Mount Component Technology
- Audio Precision Quality Control Verification
- Direct Insert Power and Speaker Terminals
- Short Circuit, Thermal, and Voltage Protection
- Waterproof Remote level bass knob specially designed for easy installation on the panel's boat or wet areas.
- DS18 Quality You Can Trust
- Effortless Installation DS18 is Known For
- Unleash Unprecedented Power
Great For
- Marine Audio
- Powersports Audio
- Boat Audio
- Golf Cart Audio
- Motorcycle Audio





Technical Details
| SPECIFICATIONS | |
| POWER | |
| Total Watts (Peak) | 3600W |
| RMS Power @ 4 ohm | 4 x 150W / SUB: 300W |
| RMS Power @ 2 ohm | 4 x 230W / SUB: 600W |
| RMS Power @ 4 ohm Bridge | 2 x 440W |
| AUDIO | |
| Frequency Response | 20Hz - 20KHz |
| Signal to Noise Ratio | >90dB |
| Efficiency @ 4ohm | >97% |
| Channel Separation | >55dB |
| Total Harmonic Distortion (THD) | <0.15% |
| Low Level Input Range | 0.2V-6V |
| High Level Input | Yes: ≥5V |
| Selectable X-Over | HPF/LPF/FULL / SW: Fixed LPF |
| X-Over Filter Range | 40Hz - 2KHz / SW: 32Hz - 320Hz |
| Bass Boost Range | 0-12dB (SW) |
| Bass Boost Frequency | 45Hz ±5Hz |
| Phase Selector | Yes 0~180° (SW) |
| FEATURES | |
| Amplifier Class | Digital (D) |
| Amplifier Type | Stereo Full Range |
| Number of Channels | 5 Channels |
| Minimum Impedance | 2ohm St / 4ohm Bridge / 2ohm SW |
| Led Indicator | Clipping / Protect / Power |
| Power Input Terminal Size | 4 Ga |
| Fuse Size | 120A (3x40A) |
| 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 | Gray+White / Aluminum+ABS |
| Extra Features | |
| Water Resistant Rated | Yes, IP55 (Water Splashing) |
| PCB Layout Design | 4 Layers / Coated |
| RCA Output | No |
| UV Compliant | Yes, UV Protected and PCB Coated |
| Input Sum Selector | Yes, 2/4/5 Ch Input Mode |
| Tiffany Style RCA | Yes |
| High Level Input | Yes, 4ch Speaker level |
| Stainless Steel Hardware | Yes, (Screws) |
| Potentiometers | High Quality Metal Knob |
| Remote Level Control | Yes, Marine Grade (Waterproof) |
| Measurement | |
| Overall Length | 14.3" / 365mm |
| Overall Wide | 4.5" / 116mm |
| Overall Height | 1.7" / 43mm |
| Heatsink Length | 13.3" / 340mm |
Shipping
Free US shipping on orders over $200. Orders under $200 ship at the rate shown at checkout. Oversized items ship by freight; we confirm the quote with you first.
Shipping policyReturns
Start within 30 days of delivery. On change-of-mind returns you pay:
- Shipping both ways, to you and back to us
- A 3% card processing fee
- A 30% open-box fee if the box was opened
Special orders need a manufacturer RMA. Discontinued items can't be returned. Defective items are always covered.
Start a returnDamaged or wrong item?
Tell us within 3 days of delivery with photos and we'll make it right, with no fee.
Contact usDS18 warranty
This product is covered by the manufacturer's warranty. We help you with the claim from start to finish.
Warranty detailsSupport from real people
Setup questions, compatibility, firmware: chat with a specialist or email info@silarius.com, Monday to Friday, 8am to 4pm ET.
Chat with usBusiness accounts
Approved businesses can pay on Net 30 / PO terms after their second completed order.
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