RAL-KEB03
User's
Guide
Rev.
1.00
01/Feb./2016
12
4-2. Rear panel
4-2-1. USB Digital Audio Stream Input
USB mini-B Connector :
Compliant with USB 2.0 High-Speed(480Mbps) Spec. and
USB Audio Class 2 Audio Spec.. KEB03 also works as iAP2 and USB Audio Class 2
compatible High Speed (480Mbps) device with iPod/iPad/iPhone. (*Must use the bundled
Lightning cable). In this case, iOS device works as an USB Host and supports USB Host
mode Digital Audio.
*KEB03 does not use USB Bus Power through Pin #1 at USB mini-B connector and
does not provide charging power to other device through the pin.
4-2-2. DC+5V power input for charging
USB micro-B
Connector :
Must connect DC+5V( +0.25V, -0.25V, 0.5A minimum )
Power supply unit to charge internal battery with USB-A to micro USB-B cable.
4-2-3. S/PDIF optical input
Use this connector to receive S/PDIF Digital Audio stream from Digital Audio source
device such as AK100. KEB03 firmware sets up S/PDIF input mode as a default after
Power-ON starting up. To use this S/PDIF input mode, don't connect any USB Host devise
such as iOS devices,Mac or PC after Power ON and connect optical Digital Audio cable to
this connector. This port supports PCM 16/24bit, 44.1kHz to 192kHz. Does not support
DSD(DoP) , PCM 352.8kHz and 384kHz PCM.
