Canon MA200 Shoulder Pad / Microphone Adapter for XL1 / XL1S The device also provides inputs for up to 4 XLR ( AES-EBU ) microphones, along with a BNC connector for video signals You can also attach a wireless microphone receiver or the CH-910 Dual Battery Charger / Holder (available separately) May be compatible with current or forthcoming camera models as specified here or by manufacturer