Description
DS18 MP.4APKG/B – 2 X 4″
The MP.4APKG/B – 2 X 4″ is a complete marine‑grade audio package from DS18 designed for powersports vehicles, boats, UTVs, ATVs, and outdoor audio installs. This package combines a 4‑channel marine amplifier (MP.4A), a Bluetooth‑enabled marine digital receiver (MXRC‑BT), two 4″ 2‑way marine speakers (MP4), and a dual‑RCA connection cable (HQMP3DUALRCA3FT). It’s engineered to deliver reliable waterproof performance and clear audio in outdoor environments, making it ideal for riders and boaters who want a compact plug‑and‑play system that boosts sound quality and provides wireless streaming capability.
Specifications
| Category | Details |
|---|---|
| Package Includes | Marine and Powersports Waterproof Bluetooth Audio Receiver with Controls (MXRC-BT), 4-Channel Marine & Powersports Amplifier (MP.4A), 4″ 2-Way Marine Speaker (MP4) |
Audio Receiver (MXRC-BT)
| Specification | Details |
|---|---|
| Frequency Response | 20Hz – 20KHz |
| Signal to Noise Ratio | 80dB |
| Total Harmonic Distortion | 0.1% |
| Channel Separation | 60dB |
| Operation Voltage | 10V – 15V DC |
| Bluetooth Wireless Audio Version | 5.0 + A2DP |
| RCA Line Out | 1 Pair (Left & Right) 2.5 Volts |
| Remote Output | Up to 200mA |
| Wireless Connection Range | Up to 35 ft (conditions may vary) |
| Aux Line Input | 3.5mm Plug |
| USB Player | Up to 32GB |
| Water Resistance Rating | IPX5 |
| UV + Salt Resistance | Yes |
| Conformal Coating | Yes |
| LED Backlit Push Button | Yes (Blue) |
| Buttons Material | Rubber |
4-Channel Marine & Powersports Amplifier (MP.4A)
| Specification | Details |
|---|---|
| Total Watts (Peak) | 480W |
| RMS Power @ 4Ω | 4 x 40W |
| Frequency Response | 20Hz – 20KHz |
| Signal to Noise Ratio | 82dB |
| Efficiency @ 4Ω | 80% |
| Damping Factor | 200 |
| Total Harmonic Distortion (THD) | 0.1% |
| Low Level Input Range | 2.5V (Fixed) |
| Selectable Crossover | No |
| Amplifier Class | Digital (D) |
| Amplifier Type | Stereo Full Range |
| Number of Channels | 4 |
| Minimum Impedance | 4 Ohm Stereo (Not Bridgeable) |
| LED Indicator | No |
| Power Input Terminal Size | 16 GA |
| Fuse Size | 20A |
| Voltage Operation | 9 – 15V DC |
| Thermal Protection | Yes (>75°C / 167°F) |
| Over-Load Protection | Yes |
| DC Output Protection | Yes |
| Short Circuit Output Protection | Yes |
| Voltage Input Protection | Yes (<9.2V / >16V) |
| Body Color / Finish | Brushed Red Aluminum |
| Input Audio Connector | 3.5mm jack |
| Audio Output | RCA Left and Right |
| Waterproof Rating | IPX5 |
| Salt Fog Protection | Yes |
| Power Direct Harness Design | Yes |
| Surface Mount Component Technology | Yes |
| Marine Grade Fuse Holder | Yes |
| Overall Dimensions (L × W × H) | 6″ × 3.66″ × 1.96″ / 153mm × 93mm × 50mm |
| Heatsink Length | 4.72″ / 120mm |
| Gross Single Unit Weight | 1.62 lbs / 735g |
4″ 2-Way Marine Speaker (MP4)
| Specification | Details |
|---|---|
| Nominal Diameter | 4″ |
| Nominal Impedance | 4 Ohm |
| RMS Power Handling | 50 Watts |
| Maximum Power Handling | 150 Watts |
| Sensitivity | 89 dB |
| Frequency Response | 115Hz – 20KHz |
| Recommended High-Pass Crossover | 120Hz |
| Voice Coil Diameter | 1″ |
| Voice Coil Former Material | KSV |
| Winding Material | Copper Wire |
| Cone Material | Injection |
| Surround Material | Rubber |
| Basket Material | Metal |
| Magnet Material | Ferrite |
| Magnet Weight | 11 Oz |
| Overall Diameter | 5.43″ |
| Overall Depth | 3.03″ |
| Front Mount Baffle Cutout | 4.13″ |
| Mounting Depth | 2.08″ |
| Motor Diameter | 3.14″ |
Product Overview
DS18 4” Marine Speakers Package
Experience the ultimate marine audio package with DS18’s Better 4″ Marine Speakers Package. This powerful system is designed to elevate your marine and powersports experience to new heights, delivering crystal-clear sound and unmatched performance.
At the heart of this package is the MP.4A. With its IPX5 waterproof rating and Salt & Fog Protection, this amplifier is built to withstand even the harshest marine conditions. Its durable construction ensures long-lasting performance, while the 3.5mm jack input audio connector and RCA left and right audio outputs provide seamless connectivity options. With a continuous power output of 4 x 40W RMS, this amplifier delivers powerful and immersive sound that will impress even the most discerning audiophiles. Plus, its power direct harness design makes installation quick and hassle-free.
The MXRC-BT Bluetooth Audio Receiver is another standout feature of this package. With integrated BT streaming options, you can easily connect your favorite devices and stream your favorite tunes directly to the speakers. The waterproof design ensures worry-free use in any weather conditions, while the adjustable volume, song selection, and source modes offer convenient control at your fingertips. And with its easily mountable design, installation is a breeze.
We’ve also included DS18’s MP4 two-way marine speakers. With their 50W RMS power output, these speakers deliver high-volume, distortion-free sound that will make every boat ride an immersive audio experience. Their two-way design ensures clear highs and deep lows for a well-balanced audio performance.
To complete this package, we’ve included the HQMP3DUALRCA3FT an essential component for connecting the MRXC-BT and MP.4A included in the package. With its slim connector, you can easily connect this convertor into the MXRC-BT. The cable can then be plugged into the MP.4A, ensuring seamless audio transmission. Its durable construction and ideal length make it a reliable and convenient solution for high-quality audio connectivity.
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