DIA-400S NPM Int. Amplifier, DAC & Network Player

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As low as $4,738.44

The reference in Class-D amplification with our all new Roon Ready streaming module built-in is an absolute killer among the one box solutions in the market today.

Delivery time: 2 weeks.

We offer bespoke top covers for your DIA-400S NPM. 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 with our all new Roon Ready streaming module built-in is an absolute killer among the one box solutions in the market today.


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.

Built-in D/A converter

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.

NPM - Network Player Module

The built in NPM is a powerfull way of transforming the DIA-400S into a high end network streamer. It connects to the network by Ethernet cable or Wi-Fi, and is controlled by a smartphone or tablet app or as a Roon endpoint. The following services are supported:

  • Roon Ready
  • Tidal
  • Qobuz
  • Deezer
  • DLNA UpNP

Roon Ready

Roon is an incredibly rich and engaging way to browse and organize your music. It runs on most Mac, Windows, and Linux PCs, or on other products which include Roon Core. Being Roon Ready means that Gato Audio network players transparently discover and connect to Roon without any configuration, and bit-perfect audio is delivered from Roon to your network player. Together, Roon and Gato Audio deliver the power, flexibility, and performance of networked audio, with the easiest setup and highest reliability available.

High Definition Bluetooth

The Bluetooth input of the NPM supports aptX™ HD 24Bit audio. This means that your DIA-400S is able to receive audio from every smartphone or tablet app in a "better-than-CD" quality.

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 NPM 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 - Reference Class D output stage
  • Built in Roon Ready Network Player, App controlled with integrated Tidal, Qobuz and Deezer
  • Network connection with Ethernet cable or WiFi (WPS supported)
  • Audio formats: MQA (Roon), AAC, AIFF, MP3, FLAC, WAV, WMA, Apple Lossless, OGG, Monkey's, Supports gapless playback
  • 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 HD Bluetooth 4.2 receiver, supports 24bit/48kHz
  • 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 kO RCA or 40 kO Balanced
Line output impedance 75 O
Voltage gain 26 dB (+10 db headroom)
Recommended speaker load 4 -16 O
   

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 Ethernet, 1 pc WiFi, 1 pc aptX HD Bluetooth 4.2
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 11 kg / 22 lb
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DIA-400S Manual
NPM Manual
NPM Quick Start Guide
Gato Audio USB driver for Microsoft Windows V.3.34.0
SKU
DIA-400S NPM
Category
Electronics, Network Players, Integrated Amplifiers

 

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