Atoll IN300 built-in-amplifier

Integrated amplifier

2 x 150 W/8 Ohms

32-bit/384 kHz DAC USB/OP/COAX


1 x XLR input

Remote control

Aluminium front panal (silver or black)

Made in France

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2 799,00 €

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This French high-end electronics brand never takes a break! After the release of the 400 range it was clear that Atoll needed to produce an midrange product to bridge the gap between the IN200 and IN400 integrated amps – and that’s exactly what they’ve done!

Atoll IN300: front panel

Unlike its older sister’s slightly quirky aesthetic, the Atoll IN300 integrated amplifier has returned to a fairly conventional design.

It does, however, have a similar front panel design, with a low consumption OLED display window in the centre flanked by two large logical potentiometers: one for adjusting the volume (by rotating) and balance (by pressing down), and the other for selecting your source (by rotating) and adjusting the M/A (by pressing down).

Atoll IN300 integrated amplifier

Atoll IN300: back panel

On the back panel of the Atoll IN300 are five analogue inputs, including one which can accommodate the optional Atoll P100 MM/MC phono stage.

It also features a bipolar symmetrical XLR input, which is made entirely using discrete components, as well as 2 pre-outs, 1 bypass input and a tape in/out.

The IN300 integrated amp is also fitted with an excellent 32 bit/768 kHz PCM DAC. It can be accessed via 6 digital inputs: 2 coaxial, 2 optical and one USB-B. Interestingly, the DAC USB is an XMOS: XHRA-2HPA USB that uses a programme developed specifically for Atoll.

To use the USB input with a Windows computer, you'll need to download a specific driver. MAC computers do not require this driver.

The 6th digital input can be used via a built-in Bluetooth module in the DAC.

The speaker outputs have been impeccably produced, with terminals that have been milled from copper specifically for Atoll.

Atoll IN300: features

The internal architecture is also very impressive!

The Atoll IN300 has a fully dual mono design and is powered by two 440 VA toroidal transformers.

The filtering system consists of 12 chemical capacitors designed specifically for audio purposes, which amounts to a total capacitance of 86 000 uF!

The analogue stages use shielded Mundorf MKP capacitors and the digital stage uses high sound quality Vishay MKP capacitors.

It is also worth noting that the internal wiring of the speaker outputs has been made with a high-end speaker cable.

Atoll IN300: set up

This integrated amp is hefty to hold, and we think it’s pretty impressive that such a small device can weigh 15kg! It says a lot about the production quality.

Its compact size means it fits easily into your system without the need for a made-to-measure cabinet. The surface it is placed on just needs to be robust.

Its power capacity means it is compatible with speakers that are stubborn and worth 2 or 3 times its price!

Atoll IN300: listening and review

We tested it out with a monitor speaker and two very different pairs of tower speakers (the French Focal Sopra 3 and the Italian Sonus Faber Olympica II).

After leaving it switched on for 24 hours and a break-in period of approximately 20 hours (minimum), this amp clearly displayed its neutrality and nuance. It produces a highly natural sound quality and showcases the speakers perfectly.

We can’t understand why some accuse Atoll products of being too bright and clinical, as this is certainly not the case with the IN300 integrated amp! Admittedly, it doesn’t have the same fullness and presence of an MC 5600, but it has a lot more finesse and naturalness.

This is not an overly effusive or expressive amp. It’s designed for lovers of a pure high fidelity sound.

It is remarkably versatile, working just as well with analogue sources as with digital ones. The quality of the DAC also opens up far more possibilities than have previously been available in this price range.

The only downside is the option it gives you to add the Atoll P100 phono stage. Although it is well-made, this phono stage is clearly not of the same quality as the IN300 and the vinyl turntable we would choose to pair with this integrated amp. But it’s not the end of the world – there are more than enough excellent phono preamplifiers out there out there to solve this problem!

The Atoll IN300 integrated amplifier has to be one of the best, if not the best, integrated amplifiers in its range. It has everything you could want from a modern amp in terms of connectivity options and possibilities, not to mention its remarkable musicality and sound quality!

We would like to congratulate Stéphane Dubreuil and his team on this homegrown French top pick!


Vumètre - A la Une *** - 2017

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Power: 150 WRMS/8Ω, 260 WRMS/4Ω per channel

Power supply: 880 VA

Total capacitance: 86 400 μF

Input impedance: 220 kΩ

Speaker output: 1 x pair

Pre-out: 2

Headphone output: 1 x 6.35mm

Trigger output: 1 x 12V

Line inputs: 5 (including 1 AUX for optional phono stage)

Bypass: 1

XLR input: 1

Coaxial inputs: 2 up to 24Bits 192kHz

Optical inputs: 2 up to 24Bits 192kHz

USB-B input: 1 x 16 bits to 32bits up to 384 kHz (asynchronous)

DAC: AKM – AK4490: PCM: 32 bits – 768kHz

PCM: 32 bits – 384kHz

DSD: 2.8MHz/5.6MHz/11.2MHz

Dynamic range: 120 dB

Converter: AK4490: S/N: 120dB;

Controls: input selection, volume, balance

Remote control: universal as standard

Display: Low consumption OLED

Dimensions: 440 x 320 x 100 mm

Weight: 15 Kg

Banc d'essai - Vumètre

2.78 Mo - pdf



Haute Fidélité

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A la Une *** - 2017
Customer reviews
(2 reviews)

Customer reviews



Cet intégré de marque et construction française est la preuve qu'avec une bonne philosophie et du bon sens, il est possible de s'aligner avec la concurrence étrangère . La musique coule de source , aucune fatigue auditive , c'est naturel , transparent . Bravo ! Remarque Les deux sorties pré out sont inactives ? help me. response


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Un superbe intégré

Pas encore rodé et pourtant c'est déjà magique. Très dynamique et clair, il fait chanter mes Sopra n2 et je reprends du plaisir à réécouter mes disques. Bravo Atoll.

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Atoll IN300 built-in-amplifier

Atoll IN300 built-in-amplifier

Integrated amplifier

2 x 150 W/8 Ohms

32-bit/384 kHz DAC USB/OP/COAX


1 x XLR input

Remote control

Aluminium front panal (silver or black)

Made in France

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