[updated] Only works if device is on WiFi!
UPDATE: Yup, it can only be updated over WiFi. Huge FAIL. Still haven’t found a way to remove my password from the unit.

This application allows users to update the firmware on specific Klipsch wireless speakers and audio devices. It provides stability fixes and adds new features like surround speaker support for compatible models.
1.1
January 11, 2018
This app has been updated by Apple to display the Apple Watch app icon. Gate MCU: v1.32 (In Stream app 1.032) Change Log: • Added Surround Speaker Support as rear surrounds. • Removed hard sleep mode so WiFi stays active in sleep mode. • Overall compatibility and stability fixes PowerGate MCU: v1.45 (In Stream app 1.045) Change Log: • Added Surround Speaker Support as rear surrounds. • Removed hard sleep mode so Wi-Fi stays active in sleep mode. • Overall compatibility and stability fixes RW-1 MCU: v0.38 (In Stream app 0.038) Change Log: • Added Surround Speaker Support as a Single Surround. • Removed hard sleep mode so Wi-Fi stays active in sleep mode. • Overall compatibility and stability fixes
MoreStream Utility supports firmware updates for the Klipsch RW-1 Wireless Speaker, Klipsch PowerGate, and Klipsch Gate. It is not compatible with any other Klipsch products.
The latest updates include added Surround Speaker Support as rear surrounds for Gate and PowerGate, and as a Single Surround for RW-1. It also removes hard sleep mode to keep Wi-Fi active.
The app was last updated on January 11, 2018, with version 1.1. Information on update frequency beyond this is not provided.
Based on the provided data, Stream Utility is supported on iPhone and iPod devices. Android compatibility is not mentioned.
Stream Utility has an age rating of 4+, making it suitable for a wide range of users.
For detailed step-by-step instructions and more information on updating your Klipsch Stream devices, please visit www.klipsch.com/stream-support.
No, Stream Utility does not contain advertisements. The app is free to download and use without any ad interruptions.
Stream Utility has a rating of 3.7 stars based on 6 user ratings. This indicates a generally positive but mixed user reception.