Sound Devices MX-8AA Battery Sled for MixPre-3 and MixPre-6
The MX-8AA from Sound Devices is a spare battery sled intended for use with the MixPre-3 and MixPre-6 audio interfaces. It also works with MixPre-10T recorders. The sled houses eight AA batteries. It is recommended that you use rechargeable NiMH batteries with this unit.