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Wisycom MTH400 Wireless Wideband Handheld Transmitter Microphone

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  • Wireless Microphone
  • OLED Display
  • Wisycom Technology
  • 1 joggle selector and 2 buttons for gain and channel

The Wisycom MTH400 Wireless Wideband Handheld Transmitter Microphone is a handheld transmitter especially designed for professional wireless microphone applications. Wideband Handheld Transmitter Microphone is very easy and quick to use thanks to OLED display and 1 joggle selector and 2 buttons for straight setup of gain and channel. Wireless Wisycom MTH400 benefits also of the latest Wisycom RF technology, it has been specially designed for robustness against noise and self-interference thanks to a special intermodulation cancellation circuit.


  • Up to 232 MHz bandwidth in 470/798 MHz range (others on request)
  • Enhanced robustness against intermodulation and antenna performances thanks to special “intermodulation cancellation” circuit
  • Thin and ergonomics body design
  • Ultra-light and tough aluminum alloy body
  • Software switchable companding systems
    ENR (noise optimized)
    ENC (voice optimized)
  • Battery: 2 AA Alkaline or NiMH or Lithium batteries with quick release system
  • Autonomy
    about 11h (50mW with Alk. batteries)
    more 14h (10mW with Alk. batteries)
  • Infrared interface
  • Easy and quick to setup thru an OLED display
  • 1 joggle selectors and 2 quick setup buttons (level/channel adjustment)
  • Available also with MCM type premium head (DPA/Schoeps/Milab/Audio-technica)
In the Box
  • 1 Wisycom MTH400 Wireless Wideband Handheld Transmitter Microphone
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More Information
Product ConditonNew
Frequency ranges B5 option: 470 ÷ 654 MHz
B3 option: 510 ÷ 698 MHz
B2 option: 566 ÷ 798 MHz
Switchable channels 2400 managed in 40 groups ofr 60 frequencies completely user customizable
Switching-window Up to 232 MHz, depending on band (see Variants below)
Frequencies Quartz PLL frequency synthesizer circuit (25 kHz step)
Frequency error ± 2.5 ppm, in the rated temperature range
RF Power switchable typ. 10 mW / 50 mW /100 mW
note: in some countries high power can be disabled, for local norm!
Modulation wideband FM, with pre-emphasis
Nominal deviation ±40 kHz
Peak deviation ±56 kHz
Spurious emissions < 2 nW
Telemetry feature TX transmits also a digitally modulated sub-carrier, suitable for:
 tone-squelch operating
 remote battery monitoring
 optional PTT (push to talk) operation
Noise Reduction system ENR (Wisycom Extended-NR), with independent Attack- and Recovery-time, noise optimized
ENC (Wisycom Extended-NC), with independent Attack- and Recovery-time, voice optimized & with reduced pre-emphasys
AF bandwidth 45 Hz ÷ 21 KHz (3dB)
55 Hz ÷ 20 KHz (1dB)
Distortion < 0.3 % (0.15 % typ.)
SND/D ratio (Analogue) typ. 115 dB (A)rms with 40kHz deviation
typ. 121 dB (A)rms with 56kHz deviation
Audio input connector directly interchangeable microphone-heads
Audio input level 60 dBu adjustable range from -54 to +6 dBu at peak deviation (1 kHz), adjustable in 1 dB steps
Max input level +6 dBu
Max sound pressure 150 dB SPL (0,5% THD), with MCM301/MCM302/MCM303/MCM304/MCM305 condenser-heads
Managing interface IrDA
LED bicolor led (red & green) on wireless power switch:
 Wireless transmission status: GREEN on/off
 Battery lifetime status: GREEN steady (> 25%), slowly blinking (< 25%), quickly blinking (<12%)
 Modulation peek (if activated): RED
 Ptt status: RED if active
Battery lifetime indication 8 steps : 7 bars (100%-87%-75%-63-50%-38%-25%) and “empty bar” quickly blinking (12% remaining)
PTT function with optional PTT accessory
Display High contrast OLED (Organic light-emitting diode) white display (128 x 32 pixels)
Power supply 2 AA size cell (Alkaline, rechargeable NiMH or Lithium)
Power consumption 230mA@ 2.6V average (display off, 100mW power)
Battery life approx. 10 hours @ 50mW continuous working; up to 14 hours @ 10mW with Alkaline
Temperature range -10 ÷ +55 °C
Dimensions 183 x 33 mm (length x diameter) without microphone-head
Weight Approx. 300g, including battery and MCM3xx (condenser) mic-head
Approx. 260g batteries excluded
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
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