The Xcelsus MAGMA 220.4AB 4-channel amplifier represents the pinnacle of Swedish engineering excellence in car audio amplification. This powerhouse delivers exceptional sound quality through its Class A/B design, producing four channels of 220 watts RMS at 4 ohms. Designed with the philosophy of achieving remarkable performance at a reasonable price point, this amplifier combines the warmth and richness of Class A sound with the efficiency of Class B operation.
Premium Swedish Design Philosophy
The amplifier is designed in Sweden and delivers very high-class sound quality. Every component has been carefully selected to ensure optimal performance across all frequency ranges, from the deepest bass to the most delicate highs. The engineering team behind this amplifier focused on creating a product that would satisfy both audiophiles seeking pristine sound quality and enthusiasts who demand high power output capabilities.
Versatile Power Configuration Options
The MAGMA 220.4AB offers incredible flexibility in power configuration. At 4 ohms, it delivers 4 channels of 220W each, while at 2 ohms it produces 4 channels of 300W each. For maximum power applications, the amplifier can be bridged to deliver 2 channels of 440-600 watts, making it perfect for driving demanding speaker systems or subwoofers.
Exceptional Audio Performance Specifications
With a signal-to-noise ratio exceeding 92 dB and total harmonic distortion of just 0.01%, this amplifier ensures your music is reproduced with stunning clarity and minimal interference. The frequency response spans from 10Hz to 35kHz, capturing every nuance of your favorite recordings from the lowest bass frequencies to the highest treble details.
The MAGMA 220.4AB utilizes sophisticated Class A/B amplification technology that combines the best characteristics of both Class A and Class B designs. This hybrid approach delivers the warm, natural sound quality associated with Class A amplifiers while maintaining the power efficiency of Class B operation. The result is an amplifier that produces rich, detailed audio reproduction with minimal heat generation and maximum power transfer to your speakers.
Swedish Engineering Excellence
Developed by the same engineering team responsible for renowned DLS Audio products, this amplifier incorporates decades of acoustic expertise and innovation. The Swedish design philosophy emphasizes precision engineering, component quality, and acoustic performance. Every circuit has been optimized for maximum signal clarity and minimal interference, ensuring that your music is reproduced exactly as the artist intended.
Flexible Installation and Configuration
The compact 460mm x 170mm x 70mm form factor makes installation straightforward in most vehicles while providing professional-grade power output. The amplifier's versatile mounting options and comprehensive connection terminals simplify integration into existing audio systems. Multiple impedance handling capabilities enable you to optimize performance according to your specific speaker configuration and power requirements.
Professional-Grade Filtering System
Advanced high-pass and low-pass filtering capabilities provide precise frequency control for optimal system tuning. The adjustable high-pass filter (15-4,000 Hz) protects speakers from damaging low frequencies while ensuring clean midrange and treble reproduction. The low-pass filter (50-4,000 Hz) enables perfect subwoofer integration and prevents unwanted high-frequency interference in bass applications.
Competition-Ready Performance
With its exceptional signal-to-noise ratio and minimal distortion characteristics, the MAGMA 220.4AB meets the demanding standards of sound quality competitions. The amplifier's ability to maintain clean, undistorted output even at high power levels makes it suitable for both daily driving enjoyment and competitive audio installations.
Thermal Protection and Reliability
Built-in thermal protection circuitry monitors operating temperature and automatically adjusts performance to prevent damage during extended high-power operation. The robust construction and high-quality components ensure reliable performance in automotive environments, providing protection against voltage fluctuations and electrical interference commonly found in vehicle electrical systems.
What's the difference between the power ratings at 4 ohms versus 2 ohms?
The MAGMA 220.4AB delivers 220W RMS per channel at 4 ohms and increases to 300W RMS per channel at 2 ohms. Lower impedance loads allow the amplifier to deliver more power, but ensure your speakers can handle the increased wattage. Always match amplifier power output to your speakers' power handling capabilities to prevent damage.
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Can I bridge this amplifier for subwoofer applications?
Yes, the MAGMA 220.4AB can be bridged to create a 2-channel configuration delivering 440-600W RMS per bridged pair at 4 ohms. This makes it excellent for powering subwoofers or high-power speakers. Bridging combines two channels to double the power output while halving the number of available channels.
What size power cable do I need for installation?
You'll need a minimum 35mm² power cable to handle the amplifier's 150-amp maximum current draw. Using an undersized cable can result in voltage drop, reduced performance, and potential safety hazards. Professional installation is recommended to ensure proper electrical connections and fusing.
maximum current draw of 150 amps
How do the high-pass and low-pass filters work?
The adjustable high-pass filter (15-4,000 Hz) removes low frequencies below the set point, protecting speakers from damaging bass frequencies. The low-pass filter (50-4,000 Hz) removes high frequencies above the set point, making it ideal for subwoofer applications. These filters allow precise frequency control for optimal system tuning.
Is this amplifier suitable for competition sound quality setups?
Absolutely. With its >92 dB signal-to-noise ratio, 0.01% THD, and Swedish engineering heritage, the MAGMA 220.4AB meets competition-grade standards. The Class A/B design provides the warm, detailed sound quality that judges seek in sound quality competitions, while delivering sufficient power for demanding installations.
What's the advantage of Class A/B over Class D amplification?
Class A/B amplifiers like the MAGMA 220.4AB provide warmer, more natural sound reproduction compared to Class D switching amplifiers. While Class D offers higher efficiency, Class A/B delivers superior sound quality with better linearity and less digital switching noise, making it ideal for critical listening applications.
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Can this amplifier power both front and rear speakers effectively?
Yes, the 4-channel configuration is perfect for powering front and rear speakers simultaneously. With 220W RMS per channel at 4 ohms, it provides ample power for most aftermarket speakers while maintaining the flexibility to bridge channels if higher power is needed for specific applications.
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