Expensive for sure...but if castle ever comes out with a 12s controller imagine the cost. We know the cost of the new one. So I'd bet that a 12s controller would be $550+. Still better that the Kontroniks
1. MBX-6 T8 1900KV, RX8 ON 4S
2. MBX-5T 1520, MMM ON 5S
3. MBX-5 ONROAD CONVERSION 1515, MMM ON 5S
4. MRX-3 ON ROAD CONVERSION 1512, MMM ON 6S
5. TEN T 2650 T8, MMP ON 3S