Unlock Pure Power & Precision with the Helix H 400X
For audiophiles and car audio enthusiasts, the Helix H 400X delivers pristine sound with classic German engineering. This 4-channel Class AB amplifier provides warm, natural sound reproduction, making it perfect for powering component speakers or bridging for powerful subwoofer performance.
4-Channel Class AB Amplifier – premium HiFi sound quality
Power Output:
• 4 × 70W RMS @ 4Ω
• 4 × 125W RMS @ 2Ω
• 2 × 250W RMS bridged @ 4Ω
Wide Frequency Response: 20 Hz – 20 kHz
Ultra-Low THD: <0.009% for crystal-clear audio
Damping Factor >300 – tight, controlled bass response
Active Crossover Network – supports high-pass, low-pass, and band-pass
Realmixed Input (RMI) – smart signal mixing and flexible input mode switching
Premium Build – gold-plated terminals, MOSFET drivers, bipolar output transistors
German Engineering by Audiotec-Fischer – trusted high-end car audio brand
Condition: NEW
Ships securely packed to protect during transit.
Fast shipping available — your audio upgrade delivered quickly.
The Helix H 400X is hard to find and sought after by collectors and enthusiasts alike. Known for its warm, analog sound signature and robust design, this amplifier is perfect for anyone looking to take their in-car audio to the next level. Don’t miss this chance to own a rare, authentic Helix amplifier.
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