- For using a device equipped with a digital optical input/output (e.g. MD recorder) with three devices equipped with a digital optical input/output (e.g. receiver, DVD player, amplifier, MD player) ,- Works in both directions as splitter (e.g. CD player to 3 amplifiers) and switch (e.g. receiver, Blu-ray player, CD player to 1 amplifier) ,- Original design - Number of Inputs: 1 ,- Number of Inputs 2: 0 ,- Number of Outputs: 3 ,- Number of Outputs 2: 0 ,- Weight: 150 g ,- Width x Depth x Height: 15 x 4 x 12 cm ,- Colour: Silver 2 years legal warranty only