Control main output mute/unmute behavior with line out

With the latest firmware update for Spark 2, you can now adjust the line-out behavior directly in the Spark app! The line-out controls all audio sources on Spark 2, including the main input, Bluetooth audio, and Aux-in. To adjust the settings, follow these steps:

Before you begin

1. Update the Spark app to the latest version.
   Spark Amp Editor App Update History / Release Notes (iOS)
   Spark Amp Editor App Update History / Release Notes (Android)
   
   
2. Update Spark 2 to the latest firmware:
   Spark 2 Firmware Update (OTA)

Instructions

1. Connect your Spark 2 to the Spark app.

2. Go to the Menu tab and tap on the product card.

3. Turn off the "Line Out Mute Behavior".

*On is muted, off is unmuted.