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Wireless In-Ear Monitor System with Unique Signal Processing Capabilities (570-600 MHz)


The IVM 4 is the first system ever to combine all the features required for professional in-ear monitoring in a single, compact device. The IVM 4 allows the input signal to be processed individually to meet the requirements of both the artist and the sound system environment.

Unique integrated signal processing for a natural listening experience and a complete set of inputs and outputs make the IVM 4 an ideal tool for professional applications.

HiQnet - System Architect
With the optional HUB 4000 Q, AKG wireless systems can be integrated into a HiQnet system. The wireless system can be remote-controlled and monitored with the Harman control software System Architect (from a PC), the AKG Wireless iPhone App (from an iPhone/iPod touch/iPad) or VM2 (from a Soundcraft Vi mixing console). The setup and configuration of the frequency management of a multichannel wireless system is incredibly easy within the System Architect with tools like 1 Click Setup, RF Monitor, Device Manager and Environment Scan.


  • Wireless in-ear monitor system with unique signal processing capabilities for live applications and professional installations
  • Integration into a HiQnet system with optional HUB 4000 Q


  • IVM 4 System
  • - Stationary UHF stereo transmitter with 1200 pre-programmed frequency presets within a 30MHz wide UHF band
  • - Professional digital signal processing incorporating High-Pass filter, Compressor, Equalizer and binaural room simulations
  • - RF frequency range: 500-530 / 570-600 / 790-820 / 835-865
  • - Audio bandwidth 35-20.000 kHz
  • - Modulation: FM, Digital MPX Stereo
  • - Stereo or Dual Mode for individual monitor mixes
  • - Signal/noise ratio: > 90 dB(A)
  • - THD: < 0,8%
  • - Channel separation: > 40 dB(A)
  • - Incl. 19" Rack-Mount Kit and IP2 earphones
  • SST 4 - Stationary Stereo Transmitter
  • - Compact all-metal case with backlit display
  • - RF output adjustable up to 100mW
  • - Displays: audio input level, gain reduction of compressor/limiter, activated audio-processing blocks, actual transmitting power, Name, frequency, group und countries
  • - Adjustable input gain +/- 20dBV
  • - XLR/jack hybrid connector, max. 10dBV
  • - Audio Loop for flexible mix setups
  • - Power supply 12 V DC, lockable
  • - A RJ11 data port for connecting HUB 4000 Q communicating with Harman System Architect PC software.- Silent Mode function
  • - Automatic Lock-Function (Key Lock)
  • - Dimensions: 200 x 44 x 190 mm(7.8 x 1.7 x 7.4 in.)
  • - Weight: 1.070 g (2.36 lbs)
  • SPR 4 - Stereo Pocket Receiver
  • - Stereo Pocket Receiver with rugged magnesium case
  • - Backlit LCD display with automatic power saving
  • - Combined on/off and volume control
  • - Auto setup and Environment scan (Field) function for identifying clean frequencies
  • - Displays: RF-input level, battery remaining time, frequency, group und countries
  • - Automatic Lock-Function (Key Lock)
  • - Operates for up to eight hours with two AA size batteries
  • - Adjustable squelch level
  • - Integrated charging contacts
  • - Headphone output: 3.5mm stereo jack
  • - Dimensions: 70 x 90 x 25 mm (2.8 x 3.5 x 1 in.)
  • - Weight: 165g (5.82 oz.)


  • 1 SST 4 stereo transmitter
  • 1 SPR 4 bodypack stereo receiver
  • 1 pair IP 2 earphones
  • 1 rod antenna
  • 1 rack mounting kit
  • 2 AA size batteries
  • 12-pc. color code set
  • 1 AC adapter

Q & A

IVM4 SET Band 8
MFR Part Number
Product Category
In-Ear Headphones, Wireless In-Ear Monitor Systems
Unit of Measure
Shipping Weight
6.00 lbs.
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