Item is in a very good condition and works flawlessly.
Combined Summing and Monitoring System

• Digitally controlled volume controller with extremely precise L/R synchronization and adjustable dim
• Five analog and digital inputs directly accessible (analog stereo, analog sum, USB, AES/SPDIF, Bluetooth) - multiple selection possible
• Bluetooth for wireless audio streaming
• 8-Channel analog summator (channels 7+8 mono switchable)
• Built-in talkback microphone with push-button activation (on device or via app)
• Talkback via Smartphone (Bluetooth) possible
• Two headphone amplifiers with independent source selection and volume control
• Three independent loudspeaker outputs (selectable on device or via app)
• Programmable loudspeaker selection allows mono and/or subwoofer assignment to all outputs (on device or via app)
• Speaker outputs 2 and 3 can be trimmed
• Reference class DA-converters for digital inputs
• Free D-BOX+ App for remote control of all essential functions (Volume, Dim, Talkback, I/O selection and much more) for iOS 10.2 or higher and Android 5.0 or higher
• USB audio connection for Mac OSX 10.10 or higher and Win 7 or higher
• Dimensions (W x D x H): 483 x 344 x 43 mm
• Weight: 5.26 kg