Kenwood eXcelon Reference XR401-4 4-Channel Class D Power Amplifier High-Resolution Audio 400W RMS
The Kenwood eXcelon Reference XR401-4 represents the pinnacle of mobile audio engineering, specifically designed for those who seek the "Reference" standard of sound quality. This 4-channel Class D amplifier is High-Resolution Audio certified, boasting an ultra-wide frequency response that extends up to 40,000 Hz. By utilizing a specialized circuit design that physically separates the analog, digital, and power supply sections, the XR401-4 achieves a staggering 40% reduction in noise levels compared to previous models. This results in a transparent, airy soundstage where every instrument is placed with pinpoint accuracy.
Inside the sleek, low-profile chassis, the XR401-4 employs premium, carefully selected capacitors and inductors for its LC filter, essential for maintaining the integrity of high-resolution signals. Delivering a robust 75 Watts RMS per channel at 4 ohms, it provides ample headroom for high-end component speakers. The inclusion of a wired remote commander allows for real-time adjustments, while the tilted internal heatsink design ensures maximum thermal efficiency in a compact form factor. Whether you are building an active 2-way system or a high-fidelity full-range setup, the XR401-4 is the definitive choice for the uncompromising audiophile.
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Features:
- Hi-Res Audio Certified: Capable of reproducing the finest nuances of high-resolution recordings with a frequency response up to 40kHz.
- Tri-Section Circuit Layout: Segregates analog, digital, and power circuits to minimize internal interference and maximize signal purity.
- Enhanced Signal-to-Noise Ratio: Optimized feedback values reduce noise by up to 40%, delivering a blacker background and cleaner audio.
- Wired Remote Commander Included: Allows for convenient gain or volume adjustments from the driver's seat for precise system control.
- Premium LC Filter Components: Features high-performance capacitors and inductors specifically chosen to preserve High-Resolution Audio quality.
- Dual-Range Crossovers: Sophisticated filters can be set to standard ranges (50-200Hz) or high-range (2.5k-10kHz), ideal for active 2-way setups.
- Tilted Heatsink Design: An innovative internal cooling layout that minimizes the amplifier's height without sacrificing heat dissipation.
- Bridgable Output: Offers the flexibility to run in 4, 3, or 2-channel modes, providing up to 200 Watts RMS x 2 when bridged at 4 ohms.
- Triangle LED Indicator: A signature eXcelon Reference top-surface LED provides a quick visual status of the amplifier's power.
- 2-Year eXcelon Warranty: Backed by Kenwood’s top-tier warranty for long-term peace of mind and reliable performance.
Specifications:
- Amplifier Class: Class D
- Number of Channels: 4-Channel
- Maximum Power Output: 400 Watts (Total RMS)
- RMS Power Output (4 Ohms): 75 Watts x 4 (20Hz - 20kHz, 1.0% THD)
- RMS Power Output (2 Ohms): 100 Watts x 4 (1kHz, 1.0% THD)
- RMS Power Output (Bridged 4 Ohms): 200 Watts x 2 (1kHz, 1.0% THD)
- Frequency Response: 20Hz - 40,000 Hz (+0dB, -3dB)
- Signal-to-Noise Ratio: 100 dB
- High-Pass Filter (Variable): 50Hz - 200Hz OR 2.5kHz - 10kHz (-12dB/oct)
- Low-Pass Filter (Variable): 50Hz - 200Hz OR 2.5kHz - 10kHz (-12dB/oct)
- Input Sensitivity: 0.2V - 5.0V
- Operating Voltage: 14.4V (11V - 16V allowable)
- Current Consumption: 37 Amps
- Recommended Fuse: 60A (Two 30A fuses pre-installed)
- Dimensions: 8-11/16" W x 1-3/8" H x 6-5/8" D
- Weight: 3.3 lbs (1.5 kg)
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