The Trantec SJ33 version of the HM-33 microphone is terminated in a screw down type 3.5mm locking jack which is where the part number MIC-SJ33 comes from. HM means it is a headset microphone, and SJ means it has a stereo jack termination.

It's the perfect headset microphone to allow hands free operation for many applications. Suitable for both vocal and speech use, it fits the bill for everyday use. It's a popular microphone with the following groups of people, but it's certainly not limited to only these:
All of these applications are made possible thanks to the versatility of this headset which has a comfortable fit and superb audio quality. The robustness of construction and design ensures a great return on your investment.
  • Designed for use with Trantec belt packs that have a 3.5mm jack socket
  • Compatible with the Trantec S4.4 older series belt packs
  • Compatible with the Trantec S4.16 older series belt packs
  • Compatible with the new Trantec S4.04 belt packs
  • Compatible with the new Trantec S4.10 belt packs
  • Compatible with some Sennheiser, AKG, IMG and other belt pack transmitters
Polar Pattern: Omnidirectional
Transducer Type: Condenser
Nominal Impedance: Low impedance 3300 ohms
Max SPL: >120dB
Frequency response: 20Hz -16kHz
Cable Length: 1500mm
Colours Available: Black
Termination: 3.5mm screw jack