Focusrite ISA One Portable Desktop Microphone Preamp you can enjoy crystal-clear sound

you can enjoy crystal-clear sound anywhere for up to 21 hours

and battery are included

rather than feeling like it's localized in your head—perfect for when you're doing other tasks

Works with Intelligent Flight Battery Plus (not included) for up to 51 minutes of flight time

car charger or power bank etc for added charging option

Focusrite ISA One Portable Desktop Microphone Preamp you can enjoy crystal-clear soundFocusrite ISA ONE Overview Key Features Single Channel Transformer Based Insert Point Headphone Output The ISA One from Focusrite is a single channel, transformer based microphone preamp, based on the original ISA 110 preamp that formed the cornerstone of each channel of the legendary Forte console. It features classic vintage topology and includes the Lundahl L1538 transformer and a custom Zobel network. In addition to switchable input impedance