MPN #MTP41S    
Free shipping in Canada. Conditions

Small and light pocket transmitter specially designed for professional wireless microphone applications



MTP41S is an extremely small and light pocket transmitter especially designed for professional wireless microphone applications. Very easy and quick to use thanks to OLED display, dedicated buttons and a joggle selector. MTP41S benefit also of the latest Wisycom RF technology along with an enhanced robustness against noise

Improved features:
- Integrated HW limiter
  • Up to 232 MHz bandwidth in 470/798 MHz range (others on request)
  • Miniature design with flexible pcb (no connectors) for extended reliability
  • Input dynamic extension with an integrated HW limiter (30 dB above peak)
  • Ultra-light metal alloy body (60g without battery)
  • User selectable multi-companding systems:
  • ENR (noise optimized)
    ENC (voice optimized)
  • Battery: 1 AA Alkaline or rechargeable NiMH or Lithium
  • Autonomy:
  • > 5h @ 50mW output power
    > 7h @ 10mW output power
  • Infrared interface for management and firmware update
  • Easy and quick to setup thru an Oled display gain/freq button and a joggle selector
  • Extended regulation on Mic input gain: 80dB in 1dB step
  • Max input level 26dBu (15.5 V clipping) to connect directly to mixers and instruments
  • 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

    Audio input LEMO or DPA
    LEMO connector configurable on 'mic' display menu in 3 options:
    '2 wires': gain selectable -60 ÷ +40 (-54 dBu ÷ +26 dBu peak), no bias voltage
    '2 wires + bias': gain selectable -60 ÷ +40 (-54 dBu ÷ + 6 dBu peak), 5.5 V on 4k7 bias supply
    '3 wires: gain selectable -60 ÷ +40 (-54 dBu ÷ +26 dBu peak)
    DPA connector (2 pin microdot audio connector) configurable only
    '2 wires'
    '2 wires+bias'

    DPA connector (2 pin microdot audio connector) configurable only
  • '2 wires'
  • '2 wires+bias'

  • Audio input level
  • 100 dB adjustable range from -54 dBu (775 uV) to 46 dBu (15.5 V) at peak deviation (1 kHz), adjustable in 1 dB steps

  • Max input level
  • +46 dBu (15.5 V) at clipping, +20 dBu (7.75 V) at nominal level

  • Managing interface
  • IrDA

  • LED
    RGB led indication with (red, green and blue) on wireless power switch:
  • Wireless transmission status: GREEN on/RED off
  • Battery lifetime status: GREEN steady (> 25%), slowly blinking (< 25%), quickly blinking (<12%)
  • Modulation peek (if activated & the limiter is disabled): RED
  • Ptt status: RED if active
  • Limiter into action: Blue

  • Battery lifetime indication
  • 8 steps : 7 bars (100%-87%-75%-63-50%-38%-25%) and "empty bar" quickly blinking (12% remaining)

  • PTT function
  • Pin 3 of the AF connector can be setup to an external push button

  • Display
  • High contrast OLED (Organic light-emitting diode) white display (128 x 32 pixels)

  • Power supply
  • 1 AA size cell (Alkaline, rechargeable NiMH or Lithium)

  • Battery life
    approx. 11 hours @ 50mW continuous working Lithium
    approx. 8 hours @ 50mW continuous working with NiMH
    approx. 4.5 hours @ 50mW continuous working with Alkaline

    Temperature range
  • -10 ÷ +55 °C

  • Dimensions
  • 58.2 x 64.5 x 21.7 mm (HxWxD) with clip

  • Weight
  • Approx. 80 g. without battery (120g with batt.)
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