Atoll IN400 EVO

$9,888.00
$9,888.00
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As the flagship integrated amplifier from Atoll Electronique, the IN400 Evolution delivers an uncompromising 2 × 160 W per channel (8 Ω) with effortless power and precision.

Handcrafted in France, it features a true dual-mono architecture powered by a massive 1,050 VA toroidal transformer and 8 matched MOS-FET transistors per channel. Built with a heavy anti-resonant chassis, 10 mm brushed aluminum front panel, and balanced XLR inputs, it offers exceptional dynamic control and transparency to drive even the most demanding audiophile loudspeakers.
  • Estimated delivery: Oct 20 - Oct 24

  • Free shipping for all purchase over 199.00$

The Atoll IN400 Evolution is the flagship integrated amplifier from French high-end audio manufacturer Atoll Electronique. Handcrafted in France, it is designed for demanding audiophiles seeking uncompromised power, thermal stability, and low distortion.

 

The amplifier features a true dual-mono internal structure powered by a 1,050 VA toroidal transformer dedicated solely to the audio section. Its power stage utilizes 8 matched MOS-FET transistors per channel, delivering high current capabilities to drive low-impedance or difficult speaker loads effortlessly. The chassis combines a 10 mm brushed aluminum front panel with custom-machined aluminum side heatsinks to maximize heat dissipation and minimize unwanted mechanical vibrations.

Technical Specifications

Performance & Output

  • Power Output (8 Ω): 2 × 160 W RMS
  • Power Output (4 Ω): 2 × 300 W RMS
  • Power Supply: 1,050 VA (Audio) + 1.6 VA (Control Logic)
  • Total Capacitance: 96,680 µF
  • Bandwidth (-3 dB): 5 Hz – 100 kHz
  • Rise Time: 2 µs
  • Signal-to-Noise Ratio (SNR): 100 dB
  • Distortion at 1 kHz: 0.05%
  • Input Impedance: 357 kΩ
  • Sensitivity: 450 mV

Connectivity & Inputs

  • Analog Inputs:
    • 2 × Balanced XLR
    • 5 × Line RCA (AUX / optional Phono, CD, Tuner, DVD, Tape)
    • 1 × BY-PASS (Home Theater bypass)
  • Outputs:
    • 1 × 6.35 mm Headphone jack (front panel)
    • 1 × 12V Trigger output
  • Optional Expansion Modules:
    • DA100 / DA200 Digital Boards: Optical, Coaxial, Asynchronous USB-B, and Bluetooth inputs
    • P50 / P100 Phono Modules: MM or MC turntable preamp support

Physical Characteristics

  • Front Panel: 10 mm anodized brushed aluminum (Available in Silver or Black)
  • Chassis: 2 mm steel frame with solid billet aluminum controls and heatsinks
  • Display: High-contrast OLED display
  • Dimensions (W × D × H): 440 × 370 × 130 mm
  • Weight: 19.5 kg