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CB003AA: Audio/Video distribution amplifier

CB003AA: Audio/Video distribution amplifier

Model CB003AA

This product is a professional grade distribution amplifier for audio & video signals.  Its most popular uses are:

  • Splitting digital audio (SPDIF/AES-EBU) & stereo audio (RCA) to 3 devices
  • Splitting composite video (RCA) & stereo audio (RCA) to 3 devices.  
  • Driving long coax cables for audio/video in multiple rooms without signal degradation

The CB003AA is the optimal solution for long distance distribution of digital audio, composite video, and stereo audio signals.  The specs speak for themselves. This unit delivers ultra clean noise performance and more bandwidth than needed.

The Truth about line level analog audio amplifiers

What most people don't know is that splitting analog audio is fundamentally different than splitting video or digital audio.  Video & digital audio are universally defined as 75 ohm terminated 75 ohm source impedance signals, and absolutely require active amplification to split.  Analog audio, however, does not have well defined source and termination impedances.  The source is usually 600 ohms or less, and the termination impedance is usually around 20K (although 600 ohms and others are used).  What this means is that some situations will require amplification to split, and other situations will not. 

You do not need an amplifier for analog audio if:

  1. All your receivers have input termination above 10K ohms (this is pretty common)
  2. AND you are driving short cables (<~10 ft)

    If all these apply, then just use a Y cable to split your audio.

You do need an amplifier for analog audio if:

  1. Any of your receivers have input termination < 10K ohms
  2. OR you are driving long cables

    When you purchase a line level audio amp, make sure it 75 ohm source impedance.  Keep in mind that MOST A/V splitters on the market do not have amplification on the stereo audio, they just wire the RCA jacks together in the box (equivalent to Y cables).

HD Video & Audio splitting

The CB003AA supports composite video, digital audio, and stereo audio.  If you also need HDTV component video, combine this product with our CB003 HDTV distribution amplifier. 

View independent reviews of this product on toast forum

Video distribution

CB003 is the ideal amplifier for driving long video cables in your home.  Many vendors claim their products can do this, but very few can accomplish this without distortion of the video.  The most important amplifier design factors in driving long cables are source impedance matching, output connector quality, amplifier bandwidth, and amplifier current drive and slew rate.  Our amplifier uses the best components for all these, resulting in the best signal distribution you can get.  If you are interested in video distribution, please see our information page for more tips on optimizing your network for zero distortion.

Unit includes:

  • CB003AA distribution amplifier as pictured
  • 1 video / digital audio input, 3 outputs  (BLUE)
  • 2 analog audio inputs, 6 analog outputs  (Outputs: 2 sets of 3)  (RED/GREEN)
  • 12V wall power supply
  • 3 year warranty


  • 1 video / digital audio input
        75Ohm terminated at all frequencies    
        Gold plated matched low impedance RCA jacks
        1.3Vpp nominal input swing,  2.5Vpp maximum
  • 2 line level analog audio input  (stereo RCA)
        20K Ohm terminated at all frequencies   
        1 V/V gain
        Gold plated matched low impedance RCA jacks   
        4Vpp maximum input swing
  • 9 outputs   (3 sets video / digital audio, stereo analog audio)
        Source impedance 75 Ohms
        Gold plated matched low impedance RCA jacks
        AC coupled to protect all connected equipment
        High performance amplifier capable of driving over 100ft of coax per output
        Gain matching : +/- 0.3%  (0.003)
        Harmonic distortion : -70dB
        -3dB bandwidth > 160 Mhz
  • Internal design
        Burr-Brown amplifiers for best performance
        High reliability capacitors and self resetting fuse protection for long life
        Designed and manufactured in the USA
  • Housing
        Black ABS plastic housing   6" x 6.5" x 3"




List Price: $129.99
Price: $114.99
Out of Stock


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