mmmmmmmm the text is not 100% accurate. The MagicV 50k is not v10 compatible. You need the MagicV 5K6 for v10.
We did stock them when they first came out and once fitted correctly, they perform exactly the same as the Messiah2. If your wires are a tad too long mind, you start having problems
All that aside, you can't go far wrong at £6.95.