ATOLL Electronique IN100 Signature Integrated Amplifier


2 x 100 Watt Integrated Amplifier


A Pinnacle of Audio Engineering

The Atoll IN100 is a masterpiece, crafted with precision and passion by the renowned French brand, Atoll Electronique. This remarkable amplifier is a part of their Signature range, which represents the pinnacle of their audio engineering expertise. With a legacy dating back to the 1990s, Atoll has consistently delivered audiophile-grade sound quality and reliability.

At the heart of the IN100 lies its impressive power output: 100W per channel at 8 ohms and 140W per channel at 4 ohms, showcasing its ability to effortlessly drive a wide range of speakers. The amplifier’s robust power supply, rated at 680VA, ensures stability and consistent performance, while its double toroidal transformer delivers clean and reliable power to all components.

Crafted with meticulous attention to detail, the IN100 features a 4mm brushed aluminum front panel, adorned with an engraved logo and captivating “Wave” design, exuding an air of elegance and sophistication. The 1.5mm steel chassis provides a sturdy foundation for impeccable audio performance and shields against potential interference.

Within its audio stages, the IN100 employs discrete components, a hallmark of top-notch audio engineering, ensuring low distortion and preserving the audio’s purity. The integration of MKP technology link capacitors enhances the soundstage, captivating audiophiles with every musical note.

The IN100 offers a wealth of connectivity options, including five audio inputs (AUX, CD, TUNER, TAPE with monitoring loop, and DVD), providing the flexibility to connect a variety of audio sources. An additional bypass input allows you to use the amplifier as a standalone power amplifier, catering to diverse audio setups.

Moreover, the IN100 boasts two pre-out outputs, enabling bi-amping or seamless integration with a subwoofer, enriching your audio experience further. An accessible 6.35mm headphone jack ensures intimate audio encounters for private listening moments.

Control and convenience are at your fingertips, thanks to the ALPS motorized potentiometer. Easily access inputs either from the sleek front panel or with the included remote control.

The Atoll IN100 is a harmonious blend of power, sophistication, and versatility, allowing you to immerse yourself in a realm of unparalleled audio quality. With optional add-on modules like the DA100 and DA200 (offering additional digital inputs), and the P50 and P100 (providing phono stages for vinyl enthusiasts), the IN100 becomes a tailored masterpiece, perfectly catering to your specific audio preferences.


  • Amplifier/preamplifier Integrated 2x100Wrms/channel/8Ω
  • 4mm aluminium brushed front panel with graved logo and “Wave”, 1,5mm steel chassis, aluminium knob and keys
  • Audio stages with discrete components, MKP technology link capacitors, high performances heatsinks
  • PCB with double layer nickel/gold, thermal protection
  • Double Toroidal Transformer of 340 VA
  • ALPS motorised potentiometer
  • Direct access of inputs from the front panel or the remote control
  • Optional remote available for purchase
  • 5 audio Inputs (RCA):
    • AUX ( or optional phono stage P50 or P100)
    • CD
    • TUNER
    • TAPE (IN+OUT with monitoring loop)
    • DVD
  • 1 Bypass Input (using as power amplifier)
  • 2 Pre-out Outputs (for bi-amp or to link to a subwoofer)
  • 1 Headphone Jack 6.35mm
  • 1 Trigger Output 12V

Optional Board Addons

Model Features
  • 2 Coaxial Inputs (24Bits/192kHz)
  • 2 Optical Inputs (24Bits/192kHz)
  • 1 Bluetooth receiver
  • 2 Coaxial Inputs (24Bits/192kHz)
  • 2 Optical Inputs (24Bits/192kHz)
  • 1 USB-B Input: PCM & DSD
  • Phono Stage (MM)
  • Phono Stage (MM/MC)


  • Power Wrms/channel/8Ω: 100 W
  • Power Wrms/channel/4Ω: 140 W
  • Impulse Power: 180 W
  • Power Supply (VA): 680
  • Total of capacitors (µF): 31 474
  • Inputs: 4 + 1 monitor
  • Input Impedance (kΩ): 357
  • Sensibility (mV): 100
  • Rising Time (µs): 2,5
  • Signal/Noise Ratio (dBA): 100 dB
  • Bandwidth: 5 Hz – 100 kHz
  • Weight(kg): 11
  • Dimensions (mm): 440 x 90 x 300 mm

Check out the manual for more detailed information – Atoll IN Signature Manual

Check out our first look unboxing video:



Black, Silver

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