Smart Acoustics SIEM250 In Ear Monitoring System

SKU: 358200


RRP $499.00 SAVE $60.00

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    ETA: 02/07/2022

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The Smart Acoustics SIEM250 is a quality wireless in ear monitoring (IEM) system that helps you get the perfect reference on stage and during performances.

Operating on a true diveristy UHF bandwidth the SIEM250 provides 160 selectable channels, and supports multiple bodypack receivers for sending the same monitoring mix to multiple band members / performers.

Easy to set up and use with a 1 button sync function, and digital display for monitoring the system. Another handy feature is the direct monitoring output which allows you to connect headphones and monitor exactly what the system is transmitting.

A must have for performers and musicians wanting clean and accurate monitoring in high noise environments.


  • Expandable with the RC250 bodypacks (sends the same mix)
  • Up to 100 metres LOS range
  • 5 hour battery life from 2 x AA alkaline batteries
  • True diversity with 160 selectable channels
  • Large LCD display for fast and easy navigation


  • Frequency range: 600 – 865 MHz (depending on your country or area)
  • AF output level: 10 dBm
  • Operating range: 100 m (typical conditions)
  • Audio frequency response: 60 Hz – 16 Hz (±3 dB)
  • Total harmonic distortion: <1%
  • Dynamic Range: >90 dB
  • *Actual range may vary depending on RF signal absorption and interference


  • Max audio input level: +6 dBV
  • Gain adjustment level: 40 dB
  • Input impedance (Q): 100 K
  • Power requirements: 12-18V DC @ 300mA supplied by external power supply (included)

SRC250 Bodypack

  • Audio output level: 100 mW
  • RF sensitivity: -94 dBm for 30 dB SINAD
  • Typical image rejection: >55 dB
  • Power requirements: 2 x AA batteries (included)
  • Battery life: 5 hours


SKU 358200
Brand Smart Acoustic
Unit Of Measure ea

in ear monitor

By: on 10 September 2019
awesome product , delivered quick , even comes with its own carry case, couldn't be happier many thanks

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