The KG203111 is constructed around a solid steel central bolt with a fixed solid pin to secure it to the aluminum casting for increased strength and durability</br>Aluminum and steel construction</br>The 2-1/2?? Grip Head has four different "" shaped jaws?? an ergonomic oversized "" handle with dedicated roller bearings for maximum torque?? and a non-slip aluminum friction disc</br>Available in chrome plated or black powder coated finish.</br>Bluetooth Wireless Streaming Ability?? USB Soundcard / Audio Interface?? +18V Phantom Power</br>XLR Microphone Input Connector?? RCA (L/R) Stereo Input Connectors?? RCA (L/R) Stereo Output Connectors</br>USB Port: Connect to Mac / PC?? Audio Signal CLIP + LED Indicator Lights?? Input Selection / Control Buttons</br>Independent Channel + MASTER Volume Controls?? Includes USB Wall Adapter Power Supply & Connection Cable</br>Independent Channel B