Skip to content

Atoll IN400 Evolution Integrated Amplifier

by Atoll
Original price ₹ 820,800 - Original price ₹ 820,800
Original price ₹ 820,800
₹ 820,800
₹ 820,800 - ₹ 820,800
Current price ₹ 820,800

Taxes & Shipping Included

Color: Black

The Atoll IN400 EVO is an integrated amp-preamp with high musical capacity. The concept is based on technical and aesthetic choices dedicated to optimal musicality. Mechanically, the chassis is made of 2 mm steel, and the front face is 10 mm aluminium, brushed, micro-blasted, and anodized, with high-precision engraving. The side heatsinks are machined from solid aluminium blocks to absorb mechanical vibrations and ensure perfect heat dissipation.

Our balanced MOS-FET amplifier circuits offer excellent harmonic gradients and have no memory effect, every moment, the current is immediately delivered to your speakers. This is one of the secrets of the musicality that ATOLL amplifiers enjoy.

Features 
  • Front face in 10 mm brushed, micro-blasted and anodised aluminium, with high-precision engraving.
  • Heatsink and buttons in billet aluminium.
  • 2 mm steel frame.
  • One toroïdal transformer: 1050 VA for audio section
  • One transformer: 1.6 VA for control logic.
  • Integral double mono structure:
    • Separate windings for the tracks.
    • 1 attenuator per channel (with switched resistors).
  • Bipolar transistor input stages.
  • Current sources with bipolar transistors and LEDs to ensure perfect voltage stability.
  • Darlington transistor driver stages.
  • Audio stages with perfectly symmetrical structure and very low counter-reaction.
  • Power stages with MOS FET transistors (8 per channel) are rigorously matched.
  • Precise adjustment of the balance and the possibility of memorising it.
  • Possibility of choosing the standby mode: Low consumption or preheating.
  • Configurable button backlighting.
  • High contrast OLED display: ON or OFF mode (after 5 seconds of inaction).
  • ATOLL global remote control supplied as standard.
  • The IN200 EVO can receive the following optional boards:
    • DAC boards: DA100 and DA200
    • PHONO boards: P50 and P100 (can be combined with DAC boards)
  • Made in France

      Specifications
      • Power in Wrms/channel/8Ω (230v): 160 W
      • Power in Wrms/channel/4Ω (230v): 300 W
      • Power supply: 2×440 VA + 10 VA
      • Total capacitive: 96 680 µF
      • Bandwidth (-3 dB): 5 Hz – 100 kHz
      • Rise time: 2 µs
      • Input impedance: 357 kΩ
      • Sensitivity: 450 mV
      • Signal-to-noise ratio: 100 dB
      • Distortion rate at 1 kHz: 0,05 %
      • Standby consumption (low consumption): < 0,5 W
      • Dimensions: 440×370×130 mm
      • Weight: 19,5 Kg
      • Inputs
        • 5 Line Inputs (including 1 AUX input for optional PHONO board)
        • 1 BY-PASS Input (used as a power amplifier)
        • 2 XLR Inputs
      • Outputs
        • 2 Line Preamp Outputs (for bi-amplification or to connect a subwoofer)
        • 1 Trigger Output (12V)
        • 1 Ø 6.35 mm headphone jack output
      • Various
        • Possibility of adding DA100 or DA200 digital boards (optional).
      Support


      Description

      The Atoll IN400 EVO is an integrated amp-preamp with high musical capacity. The concept is based on technical and aesthetic choices dedicated to optimal musicality. Mechanically, the chassis is made of 2 mm steel, and the front face is 10 mm aluminium, brushed, micro-blasted, and anodized, with high-precision engraving. The side heatsinks are machined from solid aluminium blocks to absorb mechanical vibrations and ensure perfect heat dissipation.

      Our balanced MOS-FET amplifier circuits offer excellent harmonic gradients and have no memory effect, every moment, the current is immediately delivered to your speakers. This is one of the secrets of the musicality that ATOLL amplifiers enjoy.

      Features 
      • Front face in 10 mm brushed, micro-blasted and anodised aluminium, with high-precision engraving.
      • Heatsink and buttons in billet aluminium.
      • 2 mm steel frame.
      • One toroïdal transformer: 1050 VA for audio section
      • One transformer: 1.6 VA for control logic.
      • Integral double mono structure:
        • Separate windings for the tracks.
        • 1 attenuator per channel (with switched resistors).
      • Bipolar transistor input stages.
      • Current sources with bipolar transistors and LEDs to ensure perfect voltage stability.
      • Darlington transistor driver stages.
      • Audio stages with perfectly symmetrical structure and very low counter-reaction.
      • Power stages with MOS FET transistors (8 per channel) are rigorously matched.
      • Precise adjustment of the balance and the possibility of memorising it.
      • Possibility of choosing the standby mode: Low consumption or preheating.
      • Configurable button backlighting.
      • High contrast OLED display: ON or OFF mode (after 5 seconds of inaction).
      • ATOLL global remote control supplied as standard.
      • The IN200 EVO can receive the following optional boards:
        • DAC boards: DA100 and DA200
        • PHONO boards: P50 and P100 (can be combined with DAC boards)
      • Made in France

          Specifications
          • Power in Wrms/channel/8Ω (230v): 160 W
          • Power in Wrms/channel/4Ω (230v): 300 W
          • Power supply: 2×440 VA + 10 VA
          • Total capacitive: 96 680 µF
          • Bandwidth (-3 dB): 5 Hz – 100 kHz
          • Rise time: 2 µs
          • Input impedance: 357 kΩ
          • Sensitivity: 450 mV
          • Signal-to-noise ratio: 100 dB
          • Distortion rate at 1 kHz: 0,05 %
          • Standby consumption (low consumption): < 0,5 W
          • Dimensions: 440×370×130 mm
          • Weight: 19,5 Kg
          • Inputs
            • 5 Line Inputs (including 1 AUX input for optional PHONO board)
            • 1 BY-PASS Input (used as a power amplifier)
            • 2 XLR Inputs
          • Outputs
            • 2 Line Preamp Outputs (for bi-amplification or to connect a subwoofer)
            • 1 Trigger Output (12V)
            • 1 Ø 6.35 mm headphone jack output
          • Various
            • Possibility of adding DA100 or DA200 digital boards (optional).
          Support