The Zaxcom ZMT4 has taken digital recording wireless to the next level with longer battery life, NeverClip™ in all modes, and power for all microphones – from a 5V lavalier to a 48V phantom powered mic – and a new ultra-low noise preamp.
Deliver pristine audio quality with the Zaxcom ZMT4, an incredibly small, lightweight, talent-friendly transmitter ideal for sound professionals. Weighing only 2.2oz (62g), the Zaxcom ZMT4 is constructed from a high-strength, impact-resistant nylon polymer casing with rounded edges and machined metal that’s cool to the touch.
NeverClip™ is available in all modes on the ZMT4. It works by utilizing two A-D converters to extend the dynamic range of the transmitter to 136 dB, so there’s never any limiter distortion.
- INTERNAL RECORDING
Audio is simultaneously transmitted and recorded to a removable microSD card using the highly reliable MARF (Mobile Audio Recording Format) which eliminates file corruption common to recordings due to a dead battery or early card removal.
ZMT4 is equipped with ZaxNet™, a long-range remote-control system allowing the user to change the frequency, pre-amp gain, sleep mode, and place the internal recorder in record, playback, and stop modes – all without ever needing to disturb talent.
To extend battery life, PowerRoll™ adjusts the ZMT4’s power level to 50mW when the audio received from it is being recorded by a ZaxNet™ compatible recorder. When the transmitter audio isn’t being recorded the power is automatically reduced to 10mW.
|RF Modulation||Proprietary Digital Method|
|ZMT4.5 RF Frequency Range||512 – 608 MHz|
|ZMT4.6 RF Frequency Range||578 – 698 MHz|
|RF Frequency Step||100 KHz|
|RF Bandwidth in ZHD96 Mode||100 KHz|
|RF Bandwidth in XR Mode||200 KHz|
|Channel Separation in ZHD96 Mode||as close as 200 KHz|
|Channel Separation in XR Mode||400 KHz|
|Antenna Connector||50 Ω SSMA Female|
|Emission Designator||180 KV2E, 100 KV2E|
|Dynamic Range||136 dB|
|Frequency Response||Mode 0|
|High Pass Filter||Off or 70 to 220 Hz, Steps|
|Unbalanced Lavaliere Mic Power||5.0v @ 10mA max|
|Balanced Mic Power||
12v @ 25mA max
3-Pin Micro LEMO
Balanced (3-wire) / Unbalanced (2-wire)
-60 to -30 dBu
3.4 k Ω (680 Ω with 12v power mode)
Timecode Reader / Generator
|Clock Accuracy||1.54 PPM (1 Frame in 6 Hours)|
|Timecode Frame-Rates||23.98, 24, 25, 29.97NDF, 29.97DF, 30NDF, 30DF|
2.4 GHz ZaxNet Receiver
|RF Frequency Range||2.403 to 2.475 GHz|
|RF Modulation||Digital Spread Spectrum|
|RF Frequency Step||0.001 GHz (1 MHz)|
|RF Bandwidth||1 MHz|
|Channel Separation||2 MHz|
|Power Output||10 / 50 mW – Software Selectable|
|Power Consumption||125 mA @ 4.2v with 50mW TX (no ZaxNet or Phantom pwr)|
|Lavalier Battery Life||Up to 7 hours|
|Phantom Power Battery Life||Up to 6 hours|
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