Kenwood eXcelon X503-1 Mono Class D Subwoofer Amplifier 1000W Max 500W RMS 2-Ohm Stable
The Kenwood eXcelon X503-1 is a high-performance mono Class D amplifier engineered to deliver deep, clean, and impactful bass from a remarkably compact chassis. As part of the prestigious eXcelon line, this amplifier is built with audiophile-grade components that prioritize sound quality and reliability. Delivering up to 500 Watts RMS at 2 ohms, the X503-1 provides the consistent power needed to drive high-excursion subwoofers, ensuring every low-frequency note is reproduced with absolute precision and zero hesitation.
Internal excellence is the hallmark of the X503-1, featuring specialized PMLCAP polymer multi-layer capacitors and a magnetically shielded output coil. These advanced components work together to virtually eliminate background noise and signal distortion, providing a pure audio path for your subwoofer. The one-sided connection layout makes for a sleek, organized installation, while the signal-sensing speaker-level inputs allow for easy integration with factory audio systems. Whether you are looking for subtle low-end reinforcement or cabin-shaking bass, the X503-1 offers the control and power density required for a premium mobile audio experience.
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Features:
- High-Efficiency Mono Power: Class D circuitry allows for massive 500W RMS output while maintaining a cool-running, compact design.
- Advanced LC Filter: Utilizes a magnetically shielded output coil to prevent interference, resulting in cleaner, more articulate bass response.
- PMLCAP Audiophile Capacitors: High-quality polymer capacitors drastically reduce distortion for a more natural and accurate sound.
- One-Sided Terminal Layout: Simplifies wire management and installation by keeping all power and signal connections on a single side of the amp.
- Signal-Sensing Turn-On: Automatically detects incoming audio from factory speaker wires to power the amp, eliminating the need for a dedicated remote wire.
- Infrasonic Filter (25Hz): Protects your subwoofer and increases efficiency by cutting out damaging ultra-low frequencies that the human ear cannot hear.
- Variable Low-Pass Filter: Adjustable crossover from 50Hz to 200Hz allows you to tune the bass perfectly to your vehicle's acoustics.
- Adjustable Bass Boost: Dial in up to +18dB of boost at 40Hz to give your music that extra punch exactly where you want it.
- Remote Level Control Ready: Fully compatible with the optional KCA-RC01A wired remote (sold separately) for instant bass adjustments from the driver’s seat.
- CTA-2006 Compliant: Verified power ratings ensure you get exactly the performance and wattage promised by the manufacturer.
Specifications:
- Amplifier Class: Class D
- Number of Channels: Mono (1-Channel)
- Maximum Power Output: 1000 Watts
- RMS Power Output (4 Ohms): 300 Watts x 1 (20Hz - 200Hz, 1.0% THD)
- RMS Power Output (2 Ohms): 500 Watts x 1 (100Hz, 1.0% THD)
- Frequency Response: 20Hz - 200Hz (+0dB, -3dB)
- Signal-to-Noise Ratio: 100 dB (Reference: Rated Power into 4 Ohms)
- Low-Pass Filter: Variable 50Hz - 200Hz (-24dB/oct)
- Infrasonic Filter: Fixed 25Hz (-24dB/oct)
- Bass Boost: 40Hz, 0dB to +18dB
- Input Sensitivity: RCA (0.2V - 5.0V), Speaker Level (4.0V - 12.0V)
- Power/Ground Terminal: 4-6 AWG Capable (Hex Screw)
- Speaker Terminal: 8-16 AWG Capable (Hex Screw)
- Dimensions: 8-3/8" W x 2-1/16" H x 5-7/8" D
- Weight: 3.3 lbs (1.5 kg)
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