Trantec SJ33 (HM-33) Headset Condenser Microphone, 3.5mm Locking Jack - Black
DETAILS
The Trantec SJ33 is a professional Electret Condenser Headset Microphone designed for active professionals requiring reliable hands-free operation — a high-performance, cost-effective headband microphone solution for sports, fitness, journalism, event management and hospitality applications.
The Trantec SJ33 has been designed for the active professional who needs dependable, comfortable and consistent hands-free microphone operation throughout their working day.
Whether worn by a fitness instructor, sports coach, journalist, event organiser or restaurant floor manager, the SJ33 provides a practical, high-performance headband microphone solution that keeps the user's hands free whilst ensuring their voice is consistently captured with clarity and detail. Its cost-effective price point makes it an ideal choice for venues, studios and organisations that require multiple headset microphones without compromising on audio performance.
Versatile Applications
The SJ33's broad application suitability makes it a genuinely versatile headset microphone. In fitness and sports environments it provides the hands-free freedom that coaches and instructors need during active sessions. For journalists and broadcasters it offers a discreet, comfortable and reliable voice capture solution in the field. Event organisers benefit from the consistent, fatigue-free hands-free operation it provides during long events, whilst restaurant and hospitality professionals can communicate clearly without the restriction of holding a microphone. The included foam windshield helps to minimise wind noise and breath plosives in outdoor or high-airflow environments.
Audio Performance & Connectivity
The SJ33 features an electret condenser capsule with a frequency response of 20Hz to 16kHz and a maximum SPL of greater than 120dB for clear, natural voice reproduction across a wide range of environments. A 3300 Ohm nominal impedance and 3.5mm locking screw jack connector make the SJ33 compatible with a wide range of beltpack wireless transmitters including compatible Trantec systems. The 1500mm cable provides ample length for comfortable routing from the headset to the beltpack during use.
Trantec SJ33 Key Features:
- Designed for Active Professionals: Purpose-built for hands-free operation in sports, fitness, journalism, event management and hospitality environments.
- Electret Condenser Capsule: Clear, natural voice reproduction across a wide range of applications.
- 20Hz–16kHz Frequency Response: Accurate, full-range vocal reproduction for demanding professional applications.
- Maximum SPL > 120dB: Handles high sound pressure levels without distortion.
- Foam Windshield Included: Minimises wind noise and breath plosives in outdoor or high-airflow environments.
- 3.5mm Locking Screw Jack Connector: Secure connection to compatible beltpack transmitters.
- 3300 Ohm Nominal Impedance: Compatible with a wide range of beltpack transmitter inputs.
- 1500mm Cable Length: Ample cable for comfortable routing from headset to beltpack.
- High-Performance & Cost-Effective: Professional audio quality at a practical price point for multi-unit deployments.
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Black Finish: Discreet, professional appearance suitable for any application environment.
SPECS & DOWNLOADS
Trantec SJ33 Specifications:
- Type: Electret condenser
- Nominal Impedance: 3300 Ohm
- Maximum SPL: > 120dB
- Frequency Response: 20Hz – 16kHz
- Connector: 3.5mm locking screw jack
- Cable Length: 1500mm
- Colour: Black
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Included Accessories: Foam windshield

