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Audio : STR SBA04: 2x50W Network Audio Mixer Amplifier

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STR SBA04: 2x50W Network Audio Mixer Amplifier

  • Description

The STR SBA04 2 x 50W Network Audio Mixer Amplifier receives and decodes IP audio streams with a built-in 2 x 50W amplifier. The unit is designed to power low impedance speaker systems for the distribution of high quality background music and paging announcement. The STR SBA04 also has provision for one local Auxiliary and one Mic input to be connected directly to the unit. This makes the unit highly suitable for classrooms, conference rooms and small lecture hall applications where a local PA system is required. With the UCX Software Framework that is sold separately, system integrators can create User Interface to control multiple Network Amplifier devices, configuring the output volume and what streaming channels they ‘listen’ to. This is particularly useful for the audio routing destination zone selection


  • Distributed in-store/boutique IP background music receiver and amplifier
  • Classroom/Conference room/lecture room local system with full integration for paging via network
  • Internet Radio Receiver
  • Network Paging and Announcement system receiver
  • Automated network based audio commercial file streaming distribution system


  • In-built StreamNet application interface control and audio platform. No additional firmware development required
  • Built-in 2 x 50W Power amplifier. Bridgeable to 100W
  • Capable of operating in stereo or BTL mode
  • Local Aux (Stereo) and Mic (-60dB) input comes with master volume control
  • Network paging capable of overriding local source
  • Ready to work directly with the UCX Framework, protocol ready, on the human interface UI has to be developed
  • Supports file pulling with storage mainly for internet and WiFi audio distribution
  • In-built internal storage

Technical data

Rated Output Power: Stereo Mode : 2 x 50W (4ohm); BTL Mode: 100W
Frequency Response: 20Hz ~ 20kHz
Protection: Short circuit and overload protection
Input: AUX -20dB Stereo Line Input; MIC -60dB Microphone Inputt
Networking: 10/100Mbit Ethernet
Audio Decoding Formats: G.711, MP3
Application Interface: Built-in Unified Convergence (UC) Platform Platform
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