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HFV Audio FX 5000.1 compact car audio subwoofer amplifier 5K, 5000 watts
Compact. Clean Sound. Big Power.
At HFV Audio, our mission is simple: deliver high-end sound quality, real-world power, and rugged build quality—without inflated pricing. The FX-5000.1 monoblock amplifier delivers serious output in a compact, high-performance chassis designed for demanding systems and tight installations.
Built for subwoofer dominance, the FX-5000.1 delivers a true 5000 watts at 1 ohm, producing deep, hard-hitting bass with excellent control and low distortion. Although it uses a full-bridge Class D design, it is specifically engineered to hit the lows with the authority of a half-bridge amplifier, giving you exceptional low-end impact without sacrificing efficiency.
HFV amplifiers are designed to reproduce true low-frequency energy, starting as low as 10 Hz, ensuring powerful subsonic bass that many amplifiers struggle to maintain. The damping of the FX-5000.1 offers excellent cone control for a full-bridge amplifier, outperforming many competing designs and delivering tighter, more accurate bass response.
Despite its compact size, the FX-5000.1 is built to handle serious output. A heavy-duty aluminum heatsink paired with (4) integrated cooling fans actively removes heat from critical components, allowing the amplifier to stay cool under heavy load for consistent performance and long-term reliability.
Included with the amplifier is a remote bass knob with an integrated digital voltmeter, giving you real-time system voltage monitoring right from the driver’s seat. The remote also features power and clip LED indicators, so you can instantly see amplifier status and avoid overdriving your system. A built-in calibration adjustment allows you to fine-tune the voltmeter for accurate voltage readings based on your vehicle’s electrical system.
Key Features & Specifications:
True 5000 Watts of Power @ 1Ω – Massive output with clean, controlled low-end response
RMS Output:
• 1600W @ 4Ω
• 2500W @ 2Ω
• 5000W @ 1ΩFull-Bridge Class D Design – Efficient output with half-bridge-style low-end impact
Damping Factor:> 240 – Excellent bass control for a full-bridge amplifier
Input Sensitivity: 0.1–4V
Full-Range Frequency Response: Clean performance from 10 Hz and up
Precision Tuning: Variable low-pass filter, subsonic filter, and bass boost
Advanced Cooling System: Heavy-duty heatsink with (4) built-in cooling fans
Protection Circuitry: Thermal, overload, and short-circuit protection
Remote Bass Control Included: Digital voltmeter with power & clip LED indicators and calibration adjustment
Low Distortion: <0.4% THD
Signal-to-Noise Ratio: >94 dB
Operating Voltage: 11–15V DC
Compact Dimensions: 10.5" (L) x 8.5" (W) x 2.5" (H)
Whether you're working with limited space or building a high-output system, the HFV FX-5000.1 delivers deep bass authority, excellent control, and dependable cooling—without the premium price tag.
HFV Audio – High Fidelity. Real Power. No Compromises.
