Kenwood eXcelon X303-4 4-Channel Class D Power Amplifier High-Resolution Audio Certified 600W Max
The Kenwood eXcelon X303-4 is a masterclass in compact, high-fidelity amplification, designed for audiophiles who demand studio-grade sound within the constraints of a vehicle's interior. Certified for High-Resolution Audio, this 4-channel Class D amplifier is capable of reproducing frequencies up to 50kHz, uncovering the intricate details and textures in your music that standard systems often mask. Delivering a punchy 50 Watts RMS per channel at 4 ohms, the X303-4 provides the clean, consistent power necessary to drive premium speakers to their full potential while maintaining an incredibly small footprint.
Engineering excellence defines the X303-4, featuring advanced internal components like PMLCAP polymer multi-layer capacitors and a magnetically shielded output coil. These elements work in tandem to eliminate electromagnetic interference and drastically reduce distortion, resulting in a blacker background and more precise imaging. Whether you are using the signal-sensing speaker-level inputs to upgrade a factory system or connecting via high-voltage RCA inputs, the one-sided connection design ensures a clean, professional installation every time. Backed by the legendary eXcelon 2-year warranty, the X303-4 is the ultimate heart for a high-performance mobile audio system.
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Features:
- High-Resolution Audio Certified: Engineered to reproduce ultra-high frequencies up to 50kHz, delivering a more immersive and realistic listening experience.
- Advanced LC Filter: Features a magnetically shielded output coil and PMLCAP capacitors to filter out noise and provide clear, life-like detail.
- Compact Class D Technology: Offers high power density and efficiency in a small chassis, making it easy to hide under seats or behind panels.
- One-Sided Connection: All inputs, outputs, and controls are located on a single side for a simplified installation and cleaner wiring layout.
- Signal-Sensing Turn-On: The amplifier automatically powers on when it detects an audio signal from the factory speaker wires—no remote wire required.
- Variable High & Low Pass Filters: Fully adjustable crossovers (50-200Hz) allow you to tailor the sound perfectly for your specific speaker and subwoofer setup.
- Adjustable Bass Boost: Add up to +18dB of punch at 40Hz to your rear speakers or bridged subwoofers for customized low-end impact.
- Gauge-Style Hex Terminals: High-quality screw-down terminals ensure a tight, secure connection for both power and speaker cables.
- Terminal Concealing Cover: Includes a detachable resin cover that protects the connection points and provides a sleek, finished appearance.
- CTA-2006 Compliant: Features honest, standardized power ratings so you know exactly how much performance you are getting.
Specifications:
- Amplifier Class: Class D
- Number of Channels: 4-Channel
- Maximum Power Output: 600 Watts
- RMS Power Output (4 Ohms): 50 Watts x 4 (20Hz - 20kHz, 1.0% THD)
- RMS Power Output (2 Ohms): 75 Watts x 4 (1kHz, 1.0% THD)
- RMS Power Output (Bridged 4 Ohms): 150 Watts x 2 (1kHz, 1.0% THD)
- Frequency Response: 20Hz - 50kHz (+0dB, -3dB)
- Signal-to-Noise Ratio: 90 dB (Reference: Rated Power into 4 Ohms)
- High-Pass Filter: Variable 50Hz - 200Hz (-12dB/oct)
- Low-Pass Filter: Variable 50Hz - 200Hz (-12dB/oct)
- Bass Boost: 40Hz, 0dB to +18dB (B-Channel only)
- Input Sensitivity: RCA (0.2V - 5.0V), Speaker Level (4.0V - 12.0V)
- Power/Ground Terminal: Capable for 4-6 AWG
- Speaker Output Terminal: Capable for 8-16 AWG
- Dimensions: 8-3/8" W x 2-1/16" H x 5-7/8" D
- Weight: 3.1 lbs (1.4 kg)
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