Atoll SDA300 Signature

$7,502.75
$7,502.75
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The Atoll SDA300 Signature is an audiophile-grade, all-in-one streaming integrated amplifier handcrafted in France. Combining high-resolution network streaming, a reference DAC, and high-current amplification into a single brushed-aluminum chassis, it delivers exceptional musical dynamic drive, precision, and clarity.

Écofrais inclus / Eco-fee included : 3,75 $ / $3.75

  • Estimated delivery: Nov 11 - Nov 15

  • Free shipping for all purchase over 199.00$

The Atoll SDA300 Signature is a high-end, all-in-one streaming integrated amplifier handcrafted in Brecey, Normandy, France. It essentially merges Atoll’s acclaimed IN300 integrated amplifier stage with their dedicated network streamer and DAC architecture, creating a single-box solution that only requires speakers to make music.

Core Architecture & Power Stage

  • Amplification: Operates with a MOS-FET double push-pull output stage delivering 150 W per channel into 8 Ω and 280 W per channel into 4 Ω.

  • Power Supply: Massive dual-mono-style power delivery featuring two 440 VA toroidal transformers dedicated strictly to audio stages (plus auxiliary supplies for display and digital stages, totaling ~892 VA).

  • Capacitance: A total filtering capacity of 65,800 µF utilizing custom low-ESR capacitors.

  • Preamp Design: Symmetrical discrete components operating in pure Class A without global negative feedback, accompanied by analog switched-resistor volume control.

Digital & Streaming Capabilities

  • DAC Chipset: Equipped with a Burr-Brown PCM1792A converter (129 dB dynamic range/SNR), featuring dedicated regulated power supplies to isolate digital conversion from analog output stages.

  • Supported Formats: Decodes PCM up to 24-bit/192 kHz, DSD64/128, MQA, FLAC, WAV, ALAC, AIFF, and MP3.

  • Streaming Services & Protocols:

  • Direct access via the Atoll Signature 2 app for Qobuz, Tidal, Deezer, Amazon Music, and HighResAudio.

  • Native Connect protocols: Spotify Connect, Tidal Connect, and Qobuz Connect.

  • DLNA/UPnP network playback and compatibility with playback platforms such as Roon and Audirvāna.

  • Airable internet radio and podcasts (offering ~100,000 stations).

  • Bluetooth and Wi-Fi / Ethernet connectivity.