DIA-400S Integrated Amplifier & DAC

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As low as $4,145.32

The reference in Class-D amplification just got even better! The Gato Audio DIA-400S is all about merging the best sound quality with the best and most versatile features.

Delivery time: 2 weeks.

We offer bespoke top covers for your DIA-400S. Have it matched to your decor or super car. It could be special painted covers or covers made from solid wood. Contact us at hello@gato-audio.com and tell us what you have in mind.

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The reference in Class-D amplification just got even better! The Gato Audio DIA-400S is all about merging the best sound quality with the best and most versatile features.


S is for "Super"

The all new Gato Audio DIA-400S has been thoroughly updated compared to the standard DIA-400. We wanted to get the performance even closer to that of our AMP-150 integrated amplifier but keeping all the versatile features and even adding a high quality aptX Bluetooth receiver. The DIA-400S has not only become one of the best sounding Class-D amplifiers but also the most flexible available.

We changed and improved the electrical circuits and layouts in more than twenty ways, the most significant being:

  • Optimized mains filter
  • Improved general and local power supplies
  • New input stage
  • Improved output stage
  • New analogue stages in the D/A converter
  • Improved digital signal routing
  • Updated firmware
  • Improved connectors
  • Incorporated aptX Bluetooth module

Even though the DIA-400S is a rather expensive amplifier, it dares to be compared directly to exotic Class-D amplifiers at twice or four times the price. It features the best Class-D amplification technology available and combined with our delicate analogue circuits - the result is absolutely world class sonic performance. The DIA-400S is recognizable by its clock like ring around the solid volume knob.

Our reference in Class-D amplification

The DIA-400S amplifier offers a state of the art Class-D output stage with dedicated and optimized switch mode power supplies. The multiple stage power amplifier is built around proven technology from International Rectifier, optimized with a precision high frequency oscillator and PWM modulator. A pair of precision switching MOS-FET transistors, with super low on-resistance ensures the high frequency switching is done perfectly and with as little loss as possible. The output filters are made from quality PP capacitors and low DCR coils, converting the high power PWM signals back into detailed and smooth analogue music.

More than just an Amp

The built-in D/A converter offers real high end performance, enabled by the use of a dedicated power supply, a balanced-drive Burr-Brown PCM1794 D/A converter, an optimized high bandwidth I/V converter, and an analogue stage with low-Q, low pass filters. All digital inputs are upsampled to 24bit/192kHz. This D/A converter will upgrade any digital source - such as wired or wireless streaming from your computer or CD drive - to a high end level of detail and musical performance.

Versatility and Connectivity

We had our eye on versatility and connectivity when designing this amplifier. The DIA-400S offers not only a wide range of digital and analogue inputs, but also line outputs, a trigger signal for external power amplifiers, and a configurable home theater input. The HT input can turn the amplifier into a fixed level power amplifier for use in a surround setup, without compromising the sonic performance.

Unlimited Digital Music Sources

This amplifier can be bend in more ways that you can imagine. With AptX Bluetooth, USB or Toslink input, you have direct access to all the music services the world has to offer.

Turn your DIA-400S into a High Performance Roon Ready Network Player

Adding a Network Player Module to your DIA-400S is a powerful way of transforming your amplifier into a High Performance Roon Ready network streamer.

Bespoke Cover

As standard we offer top covers in high gloss black, white and real walnut veneer to match the finish of our loudspeakers. But what if you prefer to have your DIA-400S match another brand of speakers or a piece of furniture or the color of your Lamborghini? Gato Audio offer to make bespoke top covers for you. It could be special painted covers or covers made from solid wood. Contact us at hello@gato-audio.com and tell us what you have in mind.

Features:

  • 2x 400W@8ohm / 2x 800W@4ohm
  • Class D output stage
  • Built in 24bit/192kHz D/A converter with upsampling
  • Coax and asynchronous USB digital input up to 24bit/192kHz, optical up to 24bit/96kHz
  • aptX Bluetooth 4.0 receiver
  • Accepts digital streaming directly from Apple iPhone or iPad
  • Two unbalanced and one balanced inputs
  • Nonmagnetic enclosure
  • Direct function; enables use in home theater sytems
  • Designed, developed and built in Copenhagen, Denmark
Technical Specifications
More Information
Output power 2x 400 W / 8 Ω - 2x 800 W / 4 Ω
Frequency response 20 Hz-20 kHz - 0.5 dB, and 2 Hz-70 kHz - 3 dB
Total Harmonic Distortion < 0,01% at rated power
Signal to noise ratio > 110 dB
Line out maximum level 13V balanced, 6,5V unbalanced
Total Harmonic Distortion < 0,001% pre out
Input impedance 20 kΩ RCA or 40 kΩ Balanced
Line output impedance 75 Ω
Voltage gain 26 dB (+10 db headroom)
Recommended speaker load 4 -16 Ω
   

Connectors

  
Balanced analogue inputs 1 pair gold plated XLR Neutrik
Unbalanced analogue inputs 2 pairs of gold plated RCA Stereo
Digital inputs 1 pc USB type B, 1 pc Toslink, 1 pc RCA, 1 pc aptX Bluetooth
Balanced analogue outputs 1 pair gold plated XLR Neutrik
Unbalanced analogue outputs 1 pair of gold plated RCA Stereo
Speaker output 2 pairs of gold plated safety banana
Trigger, 12 V 1 pc mini jack
   

Size and Weight

  
Power Requirements 115 VAC/230 VAC, 50 Hz/60 Hz, 1600W max
Power consumption stdb/idle/max < 1W/35W/1600W
Dimensions (WxHxD) 325 x 105 x 420 mm / 12.8 x 4.1 x 16.5"
Weight 13 kg / 28.7 lb
User Reviews 5

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SKU
DIA-400S
Category
Electronics, Integrated Amplifiers

 

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