Analog Signal Input ConnectionsVena has two sets of unbalanced RCA inputs for connection to units which do not feature balanced outputs. Both sets areidentical.Connect an RCA cable between the unbalanced input of Vena and the unbalanced output of a source unit like a CD player orDAC. Interconnections should be low-noise construction and fully screened to minimize hum and noise transmission.Digital Signal Input ConnectionsVena has a variety of digital inputs, which can be connected to most popular digital sources, like the digital output of a CD orDVD player, DAC, PC, iPhone, iPad and so forth.Coaxial InputsVena has a coaxial SPDIF input. Connect an RCA digital interconnect between the digital coaxial out of the source unit to theCOAX input of Vena.Optical InputsVena has two optical SPDIF inputs. Connect an optical (TOSlink) interconnect between the digital optical output of the sourceunit to the OPT1 or OPT2 input on Vena.Bluetooth InputVena has a built-in Bluetooth signal processor module which can play audio files transmitted from the source unit via Bluetoothwireless transmission. Please refer to page 9 to enable this function.USB InputVena has one B-type USB input which lets you connect a Mac or PC to Vena to play audio files stored on a computer. Connect aUSB cable from a USB A-type port on the computer to the USB B-type input on Vena.A-type USB B-type USBApple Docking InputVena has one A-type USB input which is suitable for Apple docking to enable you to connect an iPhone, iPad or iPod (refer topage 9) to play their audio files. Connect a specified Apple USB cable from iPhone, iPad or iPod to the A-type USB input onVena.