System Integration 16 x 50 watt amplifier

Offering the classic Niles stability that you’ve come to know and trust, the powerful SI-1650 16 channel amplifier features a unique web browser configuration that allows each channel to select from any of the 16 inputs or combination of inputs.

The powerful and versatile amplifier delivers 50W per channel and includes a high power mode that produces 100W per channel for 8 channels. The amplifiers high pass and low pass filters allow it to be used with subwoofers and make it ideal to match with Niles popular line of GS Garden Speakers.

Features and Benefits

IP Configurable EQ adjustment, Volume Level and High/Low pass selection: A web based IP Configuration utility provides independent EQ adjustment and volume level for each amplifier channel enabling you to EQ and set volume levels for 16 different speakers individually. A high and low pass filter setting for each channel accommodates passive subwoofers and small full range speakers. Installers can automatically optimise each speaker for both it's type and individual location using a web browser connected via Wifi.

Real World Power: The SI-1650 is a 16 channel amplifier which delivers a solid 50 watts per channel RMS into 8 ohms and 100 watts into 4 ohms. A dual digital power supply with a massive Toroidal transformer provides the energy necessary to efficiently deliver solid, deep, controlled bass response to a full house of speakers.

  • Fully Configurable 16-Channel Amplifier
  • 50 Watts RMS Per Channel Into 8 Ohms
  • 100 Watts RMS Per Channel Into 4 Ohms
  • High Power Mode Configures Amplifier To 8 Channels X 100 Watts RMS Into 8 Ohms
  • Auto Switching 110V-230V Power Supply
  • Unique Web Browser Configuration Allows Each Channel To Select From Any Of 16 Inputs Or Combination Of Inputs
  • IP Web-based Configurable EQ Adjustment, Volume Level And High/low Pass Selection
  • Three Turn-on Modes: Music Sense, Voltage Trigger, And Manual
  • Audio Circuitry Constructed With The Finest Parts Available, Including 1% Metal Film Resistors, High Quality Capacitors And Oversized Heat Sinks For Clear And Uncoloured Sound
  • Independent Thermal And Short Circuit Protection On Each Channel
  • Status Display For Troubleshooting


  • Voltage Trigger Input Accepts 3-24VAC/DC
  • 12-volt Control Out
  • Removable Line Cord
  • Two Year Limited Warranty
  • Rack Mount Ears Included
  • Overall Dimensions: 17.25" (43.81cm) Wide ? 5.75" (14.47cm) High (including Feet) 16.25" (41.11cm) Deep
  • Weight: 35 Lb. (15.8 Kg)

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