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Tema AD615/S – Analog to Digital Audio Encoder for Audio Streaming over IP Speakers


  • Supports G711 and G722 wideband codecs
  • PoE or 12V DC power supply
  • 3.5mm Jack for analog audio source input
  • Web interface for programming
  • External Mic connector
  • Can have multiple units on LAN


Available on backorder


Tema AD615/S digital IP PoE Encoder converts an analog audio signal from any external source into digital audio streaming in Multicast channels for audio signal distribution over LAN.
Tema AD615/S is ideal to generate background music on the LAN in any environment (offices, establishments, public places and outdoors) with the possibility to make announcements.
FM radio tuner, CD-DVD player, MP3 player, Smartphone and Tablet, Sound Blaster Sound Card output, etc. can be connected to the device to convert the analog audio into digital audio streaming. AD615/S also has an input for connecting an external microphone with which it is possible to launch an announcement in a Multicast general call on all IP speakers connected in the network.

Tema AD615/S can be connected to FM radio tuners, CD-DVD players, MP3 players, smartphones and tablets, audio output from the PC’s Sound blaster card, etc. to convert analog audio into a digital audio stream.
AD615 / S also has an input to connect an external microphone with which it is possible to launch an announcement in general Multicast call on all TEMA devices, amplifiers and IP speakers connected in the network.

Audio Streaming Codec
AD615 / S offers the possibility to choose the most suitable Codec according to the audio quality and LAN bandwidth required. The following codecs are available: G711, G722, Linear at 16KHz / 24KHz / 32KHz for maximum audio quality.

AD611-AD612 manage up to 5 Multicast channels in LAN at priority levels to allow the diffusion of background music on the loudspeaker network. The generation of music programs in audio streaming can be managed from a PC of the LAN / WAN network with specific software or from specific Encoders.

LAN, protocol
TCP / IP Network 10 / 100BaseTx
Protocol SIP 2.0
Supply PoE, PoE injector and / or external power supply
PoE 802.3af class 0 12.95W
External power supply (Option) 230Vac / 12Vdc-1A
Safety access via password, activity log
Technology IMX25 400MHz microprocessor
Memory 256MB Ram, 2GB Micro-SD Flash
Multicast RTP audio streaming G.711 a-Law, µ-Law, G722  Linear 16Khz, 24KHz, 32KHz
Programming practical web interface and password
SIP Server (IPPBX) or P2P (Peer to Peer)
warranty 2 years, possibility of extension (Option)
Compatibility CE, ROHS
Package / Protection metallic / IP20
Installation table, wall, DIN rail
Storage temperature from -20 ° to + 65 ° C
Operating temperature from -20 ° to + 55 ° C
Relative humidity 95% non condensing
dimensions 74x58x25mm
Weight 160gr
External audio input
Connector 3.5mm jack
Maximum signal level / impedance 2Vpp / 600 Ohm
Isolation with internal transformer
Microphone (Optional)
Connector RJ45 owner
Guy electret with power supply supplied by AD615 / S

Additional information

Weight 1.5 kg


PoE switches & Injectors


AD615/S – Analog to Digital audio encoder Datasheet


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