School Sound Amp Processor The TERRA-SAP is a networkable processor equipped with 2 channels amplifier x 20 Watt. It also acts as an audio hub for local connected devices such as mic/line inputs, USB interface for message / music storage and playback, and the connection with audio-visual devices such as projectors as well as logic input / outputs.

Local volume control and audio input selection can be managed using RAC5 or RAC8 source selector & volume control remote. In case of an emergency, press the supervised EVAC button on Terra-SAP in order to alert the central monitoring station to respond to an incident.

The TerraManager Graphical User Interface (GUI) software brings all together by facilitating full control, paging, intercom, messaging, recording, streaming, audio routing, device I/O monitoring, and bell scheduling with the greatest ease. Communication between administrative staff and classrooms can be quickly established whether it is a district wide school intercom, campus paging, messaging/BGM distribution on multiple stores, and so on.

  • Audio over IP classroom solution including paging, audio streaming, messaging, bell scheduling, hands-free intercom, Voice Evacuation, etc.
  • Control, monitor and management via a dedicated web browser

  • Digital Signal Processing-PEQ, AEC, AGC, noise reduction, Hi/low Pass, VoIP etc.

  • CAT5/CAT6 connection for audio and control

  • 20 W x 2 CH (Class-D amp) or bridged to 40 W x 1 CH amplifi­cation

  • 2 XLR microphone inputs with master volume control and bass/treble sound level adjustment,

  • Support phantom power/voice activated (VOX) on the 2 XLR microphone inputs and 3 balanced mic inputs (con­figured via web browser)

  • USB 2.0 interface for music/pre-recorded message playback

  • Mini-USB to connect to PC/Laptop for web conferencing


  • DC power input: 21VDC ~ 26VDC
  • Max. power consumption: 60W

Audio Characteristics (General)

  • A/D-D/A bit resolution: 24 bit
  • Sampling rate: 48 kHz
  • Frequency response: 20 Hz ~ 20 kHz (±1.5 dB) @ 0 dBu
  • SNR: > 92 dB

Audio Characteristics (Mic)

  • EIN: < -110 dBu @ 3 dB gain
  • Input impedance: 10k ohm
  • Input gain range (MIC-1&2): 3~21 dBu (adjustable)
  • Maximum input level (mic): -3 dBu @ 3dB gain
  • CMRR: < -100 dB @ 3dB gain, -3dBu (1 kHz) in
  • THD+N: < 0.005 % @ 3dB gain, -3dBu (1 kHz) in
  • Crosstalk: > 70 dB @ 3dB gain, -3dBu (10 kHz) in
  • Phantom power: 48 VDC, 7 mA


  • Maximum distance: 100m (RJ45 connector, STP CAT5/6)


  • Dimensions (W x H x D): 215 x 45 x 130 mm 
  • Weight: 0.5 kg
  • Colour: RAL 7016

Type File Name Download
[PDF] [en] IP Classrom Sound and Intercom_Brochure
[PDF] [en] TERRA-SAP_Datasheet