Wi-Fi – connect AirPlay capable devices wirelessly (iPhone, iPad, iPod, or a computer with iTunes) to stream audio.
Bluetooth – connect Bluetooth capable devices wirelessly to stream audio. Bluetooth V4.0 supports SBC, MP3, AAC, and apt-X®.
Wired Ethernet – audio information can be sent over a LAN to the Crescendo using various protocols (such as AirPlay or DLNA)
USB – connect compatible Apple devices and use the Crescendo as an audio dock and charger. The USB connection was designed to rapidly charge a variety of devices.
Analog – any device that has an analog audio output can connect to the auxiliary analog input via a 3.5mm headphone style jack.
Optical digital – any device that has a digital optical output can connect to the auxiliary digital input with the included mini-Toslink optical adapter (analog and digital connections share the same input).