This Module is currently available.
Mute module for Discrete VC Stereo Mixer
http://l-1.su/4channelDiscreteStereoMixer.html
These merchants probably sell this module. Huh?
Included in 93 Racks, 33 are public:
DIY Mute / Mix (4 channel Mixer with
NO BPM Mute Expander for Mute Performer
NO BPM Mute Performer Advanced Mute
Divkid Mutes MK2 Quad Performance Mute
NO BPM Mute Performer
NO BPM Mute Expander