In Ear Monitors

Colsan supply a full range of high fidelity balanced armature receivers / speakers for use in In Ear Monitors and high end audio earphones. The choice of transducer will affect the speakers frequency response and therefore how your In Ear Monitors will sound, at Colsan we have the experience and application knowledge to help you in the selection and tuning.

Below is a table of the transducers speakers most commonly used for IEMs and their size and performance characteristics. The table is split into 3 categories:

  1. Broadband receivers / speakers – these are recommended for use as standalone drivers for IEMs or high end audio earphones
  2. Tweeters – these drivers we recommend to use as a tweeter in a dual or triple driver assembly
  3. Woofers – these drivers we recommend to use as a woofer in a dual or triple driver assembly

Broadband Receivers / Speakers for Single Driver In Ear Monitors

Part Code Sensitiv.RDCImped.Nom.Dimensions (mm)Data
1000 Hzdrive level LWHNotes Sheet
26A005/8106.524500.10 Vrms5.33.12.6great sounding broad band with small sizePDF
23231044105.92 mArms6.34.33good broad band receiverPDF
23541094105.92 mArms6.34.33good broad band receiverPDF
2356106.52641.5100 mVrms6.34.33good broad band receiverPDF
2359106.52641.5100 mVrms6.34.33good broad band receiverPDF
23891044105.92 mArms6.34.33good broad band receiverPDF
17A003111.510.521.50.07 Vrms85.64.1good broad band, good headroomPDF
17A00611060700.15 Vrms85.64.1good broad band, good headroomPDF
32A004i10925450.105 mVrms7.94.12.8good tradeoff balance of accuracy and outputPDF
32A010i106.550900.100 mVrms7.94.12.8good tradeoff balance of accuracy and outputPDF
32D004i107.525450.105 mVrms7.94.12.8good tradeoff balance of accuracy and outputPDF

Tweeters for In Ear Monitors

Part Code Sensitiv.RDCImped.Nom.Dimensions (mm)Data
1000 Hzdrive level LWH Notes Sheet
26A005/8106.524500.10 Vrms5.33.12.6great sounding with small sizePDF
23231044105.92 mArms6.34.33good for tweeter applicationPDF
23891044105.92 mArms6.34.33good for tweeter applicationPDF

Woofers for In Ear Monitors

Part Code Sensitiv.RDCImped.Nom.Dimensions (mm)Notes Data
1000 Hzdrive level LWHSheet
33A00711313210.117.95.64.1good for woofer applicationPDF
2015112954403.60 mArms9.57.14.1good for woofer application, natural roll offPDF
2091i11411480.10 Vrms9.57.14.1good for woofer application, natural roll offPDF
17A007/9108.525560.10 Vrms85.64.1vented receiver, good for woofer application, smooth soundPDF
38AM007M/8a12712.5190.117.95.64.1open ventPDF
114207.95.64.1closed vent