Amplification is not about volume, its about clarity

SoundFields products - Amplification

View details on our amplification products below or download the Specification Sheets.


IR-570 2-Channel Infrared Sound System

Download the IR-570 2-Channel Infrared Sound System brochure

IR-570 2-Channel Infrared Sound System
Specification Value
Receiving Method Infrared Receiving
Reception System Heterodyne
Modulation FM wide-band
Infrared Wavelength 850 nm
Reception Frequencies Ch A: 2.08 MHz
Ch B: 2.54 MHz
Frequency Response 20Hz ~ 20KHz
S/N Ratio > 65dB
Nominal Deviation 10KHz
Maximum Deviation 25KHz
De-emphasis 50µS
Mic Input -30dBV, 3.5mm phone jack w/ gain
Line Input -10dBV, 3.5mm phone jack w/ gain
Line Output 0dBV, 3.5mm phone jack w/ gain
Amplifier Output 25W+25W @4Ω (total 50W)
Internal Speaker 30W 4Ω
External Speaker Terminal 1 Terminal Block connector, 25W 4Ω speaker x 1pc
Receiving Range 15m line-of-sight
External Sensor Inputs 2, RCA type
Power Supply 19V / 3.42A
Size 112(W) 115(H) 248(D) mm
Weight Approx. 1.87kgs


  • Two infrared wireless microphone receivers
  • Powerful 50 watt amplifier
  • Efficient full range coaxial speaker
  • RS-232 integration
  • Built-in wide angle infrared sensor for 180° reception
  • Tone control
  • Cable microphone input (3.5mm)
  • 5-band EQ
  • Auxiliary line level input with volume control for computer or iPod (3.5mm)
  • Threaded insert for speaker stand mount
  • Line output with volume control for Assistive Listening System (3.5mm)
  • Wall mount bracket included


  • Reduce teacher vocal strain
  • Reduce teacher sick days
  • Calmer classrooms
  • Brings hearing impaired pupils
  • into mainstream classrooms
  • Retain control over classroom
  • Re-engage pupils in lessons
  • Cost effective learning gains


  • Educational : Classroom, Cafeteria, Indoor gym.
  • Corporate : Meeting Conference room, Training room.
  • Entertainment : Karaoke house, Indoor amusement, Recreation centre.
  • Religious : Church, Religious house, Temple.
  • Art centre : Museum, Art gallery, Library.
  • Government facility : Court house, Government office, Military base, Information point.


2022 Soundfields Solutions Limited, All Rights Reserved
Registered Address: 182 Longwood Road, Huddersfield, HD3 4EJ
Company Registration Number: 9681280