Buy cheap motorcycle 4-channel amplifiers online at the Carhifi online shop Masori
If you want to significantly upgrade your motorcycle audio system, you rely on a 4-channel amplifier to efficiently drive speakers and subwoofers. At Masori in the car audio online shop, you will find versatile 4-channel amplifiers that can be used in a wide variety of motorcycles such as sportbikes, cruisers, or tourers. Key technical data such as RMS power, signal-to-noise ratio, impedance, and power-saving Class-D architectures play a central role here. Built-in high-pass and low-pass filters ensure additional volume without distortion, while special protection circuits enable thermal stability. These car audio amplifiers can also be installed in car sound projects with brands like BMW, VW, Mercedes, Audi, SEAT, or Opel using a convenient plug & play process.
- 4-channel technology: precise sound through separate control for each speaker
- Clear audio output: High RMS power for loud and clean playback
- Variable frequency response: Adjust your sound image using lowpass, highpass, or bandpass filters
- Compact designs: Ideal for limited space conditions on motorcycles and in cars
- Accessories: cable sets, fuses, signal processors, crossfaders, and equalizers for the finishing touch
Brand variety: DD Audio, Hertz, Rockford Fosgate, and Soundigital
Each manufacturer offers unique advantages for powerful, weatherproof, and flexible 4-channel motorcycle amplifiers. DD Audio impresses with pulsating RMS output power of sometimes over 4×100 W at 4 ohms, stable MOSFET amplifiers, and low distortion. Hertz designs extremely compact amplifiers for extreme environmental conditions, while Rockford Fosgate scores with patented technologies like Punch EQ for rich bass. Soundigital, in turn, delivers various versions with wide power ranges, mostly in Class-D design, ensuring consistent performance with minimal heat generation. In the following table, you can see some representative 4-channel models:
| Manufacturer |
Model |
RMS/channel @ 4Ω |
Dimensions (mm) |
Special features |
| DD Audio |
EC4.100 |
4×100 W |
250 × 180 × 50 |
MOSFET stage, high damping factor |
| Hertz |
HMP 4D |
4×70 W |
198 × 125 × 46 |
Splash-proof, Class-D concept |
| Rockford Fosgate |
PBR300X4 |
4×75 W |
170 × 108 × 40 |
Punch EQ, integrated protection circuit |
| Soundigital |
400.4 EVO |
4×100 W |
160 × 135 × 45 |
High-end Class-D, low distortion |
Important Installation Tips for Motorcycle and Car Hi-Fi Applications
When retrofitting a 4-channel amplifier, you should pay attention to a solid power supply and correct impedance matching. Use stable cable cross-sections (e.g., 6 mm² or 10 mm²) and high-quality RCA cables to reduce signal loss. Placement on the motorcycle is preferably under the seat or in a protected side panel so that heat and vibrations do not affect the device. For a car hi-fi sound upgrade in cars like BMW, Mercedes, or Opel, easily accessible areas in the trunk or under the seat are also suitable. When screwing in, use vibration-damping pads to ensure device stability. If you are unsure about vehicle compatibility, the AI chatbot from Masori can assist you.
- Place amplifiers in well-ventilated areas
- Use high-quality fuses for the power path
- Connect directly to the battery to minimize voltage loss
- Make correct adjustments to gain and crossovers
- Check sealing points to keep moisture away
Accessories, Installation and Expert in Frankfurt Oder
For the perfect implementation of your sound upgrade in the field of car hi-fi, motorcycle audio, or car sound, Masori offers a comprehensive portfolio of accessories: from robust cable sets, tilt-resistant bass boxes, powerful subwoofers to suitable plug fuses and RCA distributors. Those who want additional features such as DSP (Digital Sound Processing) or advanced filter options will find special signal processors as well as crossovers to fine-tune sound adjustments. Our trained team is available to advise you, whether through expert support or with the help of our AI chatbot for product compatibility. In addition, for complex installation projects, you can rely on our installation service in Frankfurt Oder, which guarantees a professional implementation of your 4-channel project.