Celestron PowerSeeker Accessory Kit Avantone Pro and two headphone jacks with

and two headphone jacks with dedicated volume controls

ambient sound capturing

between cables

If you have a wireless microphone system where the receiver can output a line-level signal (something like the Sennheiser Evolution series comes to mind)

Celestron PowerSeeker Accessory Kit Avantone Pro and two headphone jacks withThe PowerSeeker Accessory Kit from Celestron enhances the functionality of a Celestron telescope. This kit may be used with any telescope that accepts 1. 25" eyepieces and filters. It features 2 fully coated eyepieces; a 15 mm and a 9 mm Kellner. The 15 mm eyepiece will give a medium power but a wider field of view, while the 9 mm is higher power but gives a narrower field of view.