• Output of top mixer is normalled to the bottom mixer to give a 6:1 mix
• Outputs are phase correct (e.g. the output audio is not inverted)
• The input signals are neither boosted nor attenuated (unity mixing). their resultant sum is the output

If you decide an product is not suitable within 14 days of delivery, you can return it to us for a replacement or refund. Returns must be unused and in their original, undamaged packaging.

Some items are excluded from our money back guarantee:
- Computer software that has been unsealed or registered
- Any item that comes directly into contact with the nose, ears or mouth

To arrange a return, just contact our customer service department on 020 7424 2800 or via our customer support form.