Cheap working sound activated halo board

[hmcl281]

Looking for a cheap sound activated halo board i can put in a dye box mag.

[jokers]

If no one else has it I am 90 percent sure I have one or 3. I have the full hopper as well as the boards let me go through a lot of stuff and I will let you know for sure.

[hmcl281]

If no one else has it I am 90 percent sure I have one or 3. I have the full hopper as well as the boards let me go through a lot of stuff and I will let you know for sure.

Thank you

[jokers]

Should I keep an eye out for anything else Halo related, dye related or other?