The IPSM modules and IPBX boxes are equipped with 1 channel 40W Class-D amp board into the 4 ohm loudspeaker with PoE+ power (and/or 24VDC power supply if POE+ is not available). With Power over Ethernet (PoE+), both audio control and power can be owed over the standard female RJ45 Ethernet connector, giving a cost e ective way to used as the SIP endpoint of paging, intercom, mass noti cation system and minimizing the number of cables. The IP speaker modules are available for two kinds of model, IPSM-1C40/IPSM-1C40M is designed to embed in the speaker, and IPBX-1C40/IPBX-1C40M is an external box. Both hardwares are applicable for TERRACOM's full range IP speakers. To ful ll hands-free intercom and monitoring, the IPSM-1C40M/IPBX-1C40M is equipped with a built-in microphone interface. The YMC0101-004 mic capsule could be connected to this microphone interface. The IPSM/IPBX have 3 control inputs for level control and source selection using the RAC 5/8 controller, 1 contact output for triggering events via TerraManager. To congure, control, monitor the IP speakers in real-time, this can be easily done through your favorite web browser interface, making the management even the most complex environments simpler than ever. The remarkable features include event management, volume control, paging, intercom, music streaming, routing, logic control, 3rd party control, DSP control, monitoring etc.