Shure SLXD14+-G57 Digital Wireless Bodypack System 100760611 3RS Shock Racks also feature

3RS Shock Racks also feature square-hole rack rails to accommodate either #10-32 US standard or 6mm International standard cage nuts which are supplied with the cases

no external mixer required

and SBC (Sub Band Codec)

Built-In Speaker: Yes (Stereo)

Shure SLXD14+-G57 Digital Wireless Bodypack System 100760611 3RS Shock Racks also featureShure SLXD14+ G57 Digital Wireless Bodypack Transmitter w Digital Wireless Receiver Building upon the widely adopted SLX D platform of transparent, 24 bit digital audio and rock solid RF performance, SLX D+ is engineered to add an expanded 138 MHz wide tuning range (region dependent), plus patented digital feedback reduction DSP and encryption. SLX D+ wireless systems maintain stable signals from an expanded frequency range of 138MHz offering