Simaudio MOON 681 North Collection network player / DAC
The MOON 681 is a feature-rich and finely crafted digital source component that leverages MOON's cutting-edge design and advanced digital audio technologies. It is the perfect companion to the 641 amplifier, providing a seamless experience as part of the North Collection. At the same time, it acts as a full-service digital front end for any analog amplifier, delivering clear, natural and extremely accurate audio reproduction.
Seamless experience
The MOON 681 is a network player and DAC designed to create a completely seamless connection between digital sources and analog amplification. At its core, it features the MiND 2 platform, MDE1 digital engine, and MHV (MOON Hybrid Volume) level control.
The device supports high-resolution formats (PCM and DSD) for clarity, balance and natural sound reproduction. Streaming services TIDAL, Qobuz, Deezer and Spotify work natively, and there is also Roon Ready compatibility, AirPlay, Bluetooth aptX and Spotify Connect — ensuring long-lasting usability and an easy-to-use experience.
Designed for clarity
The MOON 681's 4.3" color display displays album artwork, format, source and playback status in a clear and easy-to-read manner. The user interface provides access to all essential functions without unnecessary complexity, and the precise, minimalist buttons on the front panel complete the smooth user experience.
With a standby power consumption of just 5W, the device is always ready to go. The display, power supply and entire mechanical design reflect the values of the North Collection: clarity, stability and long-term consistency.
Intuitive connectivity
The MOON 681 offers six digital inputs, including HDMI ARC, AES/EBU, USB audio, optical and coaxial. Analog outputs are available in both fixed and adjustable RCA and XLR connectors. The balanced internal structure combined with MDE1 and MHV technology ensures interference-free and distortion-free signal processing. The device serves as a complete digital preamplifier solution for any modern stereo setup. MOONLink integration allows for easy and elegant coordination with other MOON components, providing high usability and performance in line with audio requirements.
- 6 digital inputs
- 1 HDMI connection with ARC support
- MiND 2 module
- MDE-1 DAC technology
- MHV (MOON Hybrid Volume) level control
- Fully balanced structure
- 4.3” color graphic display
- BRM-1 smart remote control
Technical data – MOON 681
- Analog input impedance: 50 Ω
- Analog output level: 2 Vrms / 3.5 Vrms / 6.5 Vrms
- Crosstalk: –125 dB
- Frequency response: 2 Hz – 100 kHz (+0 dB / –3 dB)
- Signal-to-noise ratio (S/N): 125 dB
- Dynamic range: 125 dB
- Total Harmonic Distortion + Noise (@ 0 dBFS): 0.0003%
- Intermodulation distortion: 0.0002%
- Power consumption (standby): 15 W
- Power consumption (full power, standby): 12 W
- Power consumption (low power standby): 5 W
- Shipping weight: 40 lbs / 18 kg
- Dimensions (W x H x D): 48.1 x 10.2 x 42.7 cm
