Sennheiser SL RACK RECEIVER DW-4-US luca-mantovanelli-signature Smooth Highs and Vibrant Midrange:

Smooth Highs and Vibrant Midrange: The WA-CX12 captures organic and natural sounding tone with pleasing high end and colorful midrange so you feel the performance come through

so up to eighteen sets of headphones can be connected simultaneously

allowing you to shape the tone to your preference

(4) Allen Keys

Bigger Rubber Feet w/Duo-Spike

Sennheiser SL RACK RECEIVER DW-4-US luca-mantovanelli-signature Smooth Highs and Vibrant Midrange:The half 19" stationary SL Rack Receiver DW is the easy to integrate core of the SpeechLine Digital Wireless System. It features a clear visible OLED display for easy setup and operation. Thanks to the bi directional communication all settings of the mobile transmitters can be adjusted from the receiver side. The automatic frequency and interference management allows convenient and reliable operation. Thanks to the easy to handle pairing process, the