The Channel is Burton's modern mounting system that replaces traditional bolt holes with two slots running lengthwise along the board. Instead of being locked into fixed insert positions, you slide your bindings along the channel and tighten them down—giving you nearly infinite micro-adjustment for your stance width and angles. It's especially handy if you like to fine-tune your setup throughout the season.
The trade-off is compatibility. The Channel requires either Burton bindings made for it or third-party bindings that include a Channel-compatible disc. Many major binding brands do offer Channel discs, but not all include them in the box. If you already own bindings, check whether they came with a Channel disc or if one is available separately.
If your bindings only have standard 4x4 or 2x4 discs, they won't mount to a Channel board without an adapter. Always verify compatibility before you buy—mismatched boards and bindings are an easy mistake to avoid.