Wireless microphone system applies noise cancelling circuit to demonstrate stable sound and high sensitivity to prevent disconnection or interference. It has wide range of usage such as lecture, seminar, theater and live performance.
● PPL(Phase-Lock-Loop) circuit
● Frequency changeable to MAX. 50 channels
● Front digital display(Channel/Frequency)
● Digital control(UP/DOWN) button / Noise cancelling circuit
● True Diversity Super Heterodyne receiver
● Auto mute by applying analogue compandor chip for high quality of sound(LCD type handheld microphone)
● Easy setting frequency with Auto scan(LCD type receiver) / Phantom power supply for external antenna operation
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STX 900H / 939CH |
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Handheld (Chargable) Tramsmitter |
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Specification |
STX 900H / 939CH |
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Radio system |
F3E |
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Frequency range |
925~937.5MHz |
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RF output |
less than 10mW
/ Handhelp type |
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Frequency selection method |
Digital control with MCU |
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Modulation system |
FM |
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Distortion ratio |
Less than 0.9% |
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Antenna |
Built-in |
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Frequency response |
100Hz~16kHz(±3dB) |
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Temperature range of use |
-10℃~+50℃
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Power |
1.5V x2EA Alkaline AA type |
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Battery life |
10 hours |
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Dimension |
Ø37 x 242 mm |
