NAKAMICHI FHA400

Technical Specifications

Brand: Nakamichi (FIDELA Series)
Model: FHA400
Amplifier Class: Class D 4-Channel
RMS Power Output @ 4 Ω: $100\text{ W} \times 4$
RMS Power Output @ 2 Ω: $150\text{ W} \times 4$
Bridged Power Output @ 4 Ω: $300\text{ W} \times 2$
Frequency Response: $10\text{ Hz} - 35\text{ kHz}$
Total Harmonic Distortion (THD): $\le 0.05\%$
Signal-to-Noise Ratio (SNR): $\ge 95\text{ dB}$
Input Sensitivity: $0.2\text{ V} - 6\text{ V}$

SKU: FHA400 Category: ACCESSORIES

Description
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Elevate Multi-Channel Sound Performance with the Nakamichi FIDELA FHA400 Class D 4-Channel Amplifier

Upgrade your car’s complete sound stage with the Nakamichi FHA400 4-Channel Amplifier. Belonging to Nakamichi’s flagship FIDELA series, this high-performance Class D multi-channel amplifier delivers clean, dynamic power to full-range speaker systems, component setups, or bridged subwoofer configurations.

Featuring audiophile-grade components, high-efficiency power delivery, and extensive crossover tuning options, the FHA400 ensures crystal-clear highs, detailed mid-range response, and tight low-end impact.

Key Features & Benefits

High-Efficiency Class D Topology: Delivers substantial output power with minimal current draw and minimal heat dissipation.
Audiophile-Grade Architecture: Built with premium internal components to minimize distortion and preserve pure acoustic detail across all four channels.
Versatile Channel Configuration: Run in 4-channel mode to power front and rear speakers, 3-channel mode (front speakers + bridged sub), or 2-channel bridged mode for high-power component setups.
Precision Crossover Tuning: Equipped with adjustable High-Pass (HPF) and Low-Pass (LPF) filters to tailor frequency distribution precisely for your speakers.
Heavy-Duty Aluminum Heat Sink: Precision-machined casing rapidly dissipates heat to ensure stable performance during extended, high-volume listening sessions.
Ideal Applications
1. Complete Front & Rear Speaker Upgrade: Drives four aftermarket coaxial or component speakers with high RMS power for distortion-free output.
2. 3-Channel System Build: Powers a pair of front high-end component speakers while bridging channels 3 & 4 to drive a passive subwoofer.
3. High-Output Active 2-Way System: Drives individual tweeters and mid-bass woofers in an active 2-way front soundstage with dedicated active filtering.