The Maestro-50S – A true digital amplifier, enjoy music again and have fun

  • All alloy chassis – complimenting your SONOS Connect
    (previously ZonePlayer 90)
  • 50W of True Digital Amplification
  • Two digital inputs
  • Sub-woofer out
  • Very accurate digital reproduction
  • Very power efficient (>94%)
  • Cut from a solid aluminium billet, to exacting standards
  • Neat push in / pop out volume control

Available March 2013

The ‘Maestro-50S’

Designed to deliver outstanding performance when connected to your SONOS Connect network renderer / player.  The Maestro-50S ensures that you enjoy your music library, played via the SONOS network CONNECT in the best possible quality and clarity.
The Maestro-50S brings your music to life, have fun again


  Dimensions   136 (w) x 140 (d) x 65(h) mm.                           Output Power                             
  Material   6082 Aluminium.     8 ohm, 0dBFS         20W
  Colour   Brushed satin black.     4 ohm, 0dBFS     50W 
  Bit Resolution   24/96 on both digital inputs.     Distortion (THD+N)    
  Power Input   110/240VAC 50/60Hz     8 ohm,    < 0.4%
  Idle Power    < 1W     8 ohm, 10W      < 0.6%
  Acoustics   0dBA @ 1M     8 ohm, 20W    < 0.8%
  Remote Control                             No     4 ohm, 1W    < 0.5%
  Nett Weight   3.0Kg     4 ohm, 10W    < 010%
  Options   No     4 ohm, 20W    < 0.25%


  - Universal (110-240VAC 50-60Hz) mains power input (IEC connector)
  - S/PDIF TOSLINK input
  - S/PDIF COAX input
  - Subwoofer output (line level) - Phono/RCA
  - L & R speaker outputs (50W per channel into typical 4 ohm speakers) - via 4mm banana sockets
    (screw terminal banana plugs included)  


  - Patented 2.1 digital amplifier with accurate and powerful sound processing (50W per channel).
  - Automatic power on from sleep mode .
  - ProAudio 'pop out, push in' volume control.
  - Small, low profile understated enclosure with a brushed black finish.

  Included - Maestro-50S True Digital Amplifier - Power Cord - 2x Red and 2x black screw on 4mm speaker plugs - User guide.