The Sound Devices MX-4AA Battery Sled powers the MixPre Original Series, MixPre-M Series, and MixPre II Series recorders. Included battery sled for the Sound Devices MixPre-3 II and MixPre-6 II audio recorders. Not recommended for the MixPre-10T, MixPre-10M, or MixPre-10 II. This sled holds four AA batteries. Rechargeable NiMH batteries are recommended.
