• 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 delivered as standard.
• The IN400 Evolution can receive the following optional boards - DAC boards: DA100 and DA200, PHONO boards: P50 and P100 (can be combined with DAC boards).

Connectivity

• Inputs: 2 XLR inputs, 5 Line inputs - AUX or PHONO (optional) / CD / TUNER / DVD / TAPE, 1 BY-PASS input
• Outputs: 1 Ø 6.35 mm headphone jack output, 1 12V Trigger output
• Various: Possibility of adding DA100 or DA200 digital boards (optional)