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Niles AVDA3

1-in/3-out A/V distribution amp

3 Reviews


Our take on the Niles AVDA3

With the Niles AVDA3, a single video component can feed TVs or A/V receivers in three different rooms. A "cascade" output lets you connect another AVDA3, to feed another three locations.

Great product

Greg, Keller, TX

What's in the Box:

  • AVDA-3 audio/video distribution amplifier
  • AC adapter (SB41-249A) with an attached 78" AC input cable and a 74" AC output cable (AC output: 15 Volts 500mA)
  • 4 Self-adhesive rubber feet
  • Installation and Operation Guide
  • Warranty and Registration card

Product Highlights:

  • 1 audio/video input (analog stereo audio and composite video)
  • 3 audio/video outputs
  • audio/video cascade output to daisy-chain another AVDA3
  • gold-plated RCA connectors
  • AC adapter included
  • 8"W x 3-15/16"H x 1-3/8"D
  • warranty: 2 years
  • Our 60-day money-back guarantee

Niles AVDA3 Reviews

Average Customer Review(s):

(3 Reviews)
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Hands-on research

Product Research



Product Overview:  The Niles Audio AVDA-3 is a source-level audio and base-band video distribution amplifier. It incorporates a stereo audio input and a video input, which are actively distributed to three audio/video outputs.

Connections: The AVDA-3 is equipped with gold-plated RCA connectors for optimum signal transfer. Wire runs of less than 50 feet are recommended. The unit's connections are as follows:

  • Input: one pair of stereo audio RCA jacks and a composite video jack
  • Cascade Output: one pair of stereo audio RCA jacks and a composite video jack
  • Outputs: three pairs of stereo RCA jacks and three composite video jacks

Note: If your system only requires either audio only or video only distribution, the AVDA-3 can safely operate with either its audio or video sections unused. Termination is not required.

Cascade Outputs: The Niles AVDA-3 features a set of audio/video cascade outputs with automatic video impedance matching. This allows the use of multiple AVDA-3 units for simple system expansion with optimal picture quality. You can daisy-chain up to four AVSA-3s for system expansion.

Installation: You can install the AVDA-3 on a tabletop or shelf using the self-adhesive rubber feet or mount on a wall using the integrated mounting flanges.



  • Input Impedance: 100K
  • Output Impedance: 100 ohms
  • Frequency Response: flat from DC to >20KHz
  • Signal-To-Noise Ratio:  >80 dB reference at 1 volt
  • Crosstalk: .070 dB at 1kHz
  • Total Harmonic Distortion (THD): 0.003% (20 Hz to 20 KHz)
  • Maximum Input Signal: 6 volts RMS


  • Video Bandwidth: DC to 7 MHz
  • Maximum Input Signal: 2 volts peak to peak
  • Input Impedance: 75 ohms
  • Output Impedance: 75 ohms

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