Evolution Wireless Digital EW-D EM | EW-D SKM-S | EW-D SK Firmware version 1.7.0 - Release date 2022-12-14 For conformity, consistency and compatibility reasons, we strongly recommend upgrading the system to the new release. Features • Bug fix: During startup of the EW-D SKM-S handheld transmitter, a previously audible slight pop noise does not occur anymore. • Bug fix: Occasionally audible audio artifacts when muting/unmuting the transmitter do not occur anymore. • Bug fix: Audio dropouts do no longer occur while handling the mute switch of the EW-D SKM-S handheld transmitter when the mute lock functionality is active. • Optimized frequency scan functionality. Firmware Update • The Evolution Wireless Digital firmware update requires the EW-D Smart Assist App, available free of charge for iOS and Android: www.sennheiser.com/evolution-wireless-digital-app