ZMT4-X Transmitter

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Zaxcom

Block 20-23 (512 - 614MHz)

Model:

ZMT4.5X

Price:	$2,195.00

Features

ZMT4-X produced before October 2025 are not compatible with DPA MicroLocks due their slightly larger diameter. Contact [email protected] for retrofit information.
Up to 12 hours runtime and 48 hours standby time on one battery
Dual Microdot inputs
Capable of transmitting both lavs in stereo or one signal in mono
User selectable power output of 25, 50, or 75 mW
Encrypted wireless signals
Internal recording to SD
ZHD modulation
ZaxNet
NeverClip
Rental includes Microdot lavalier; purchase does not

Description

Overview

The ZMT4-X Transmitter is a larger version of the ZMT4 with increased battery life and durability, while retaining the standard ZMT3 features including simultaneous transmission and internal recording with time code, encrypted audio, ZHD modulation, ZaxNet remote control, and NeverClip. It has two Microdot inputs so it can tramsit input from two seperate lavaliers at the same time.

The ZMT4-X uses a larger Motorola BT100 battery for up to 12 hours of runtime and 48 hours of standby time on a single charge. It's designed with tough nylon polymer and rubber materials for even better protection against shocks, bumps, and drops.

In addition to durability and battery life, the ZMT4-X is packed full of features you'd expect from a Zaxcom transmitter. The ZMT3-X is fully ZaxNet™ compatible, allowing for remote time code jamming, frequency changing, input gain adjustment, and power output mode.

The ZMT4-X is also capable of simultaneous transmission to a QRX receiver and recording to an internal SD card for an immediate backup file. If you're recording in an area of crowded spectrum, the ZMT4-X can turn on ZHD modulation, to increase the number of channels in a single MHz of bandwidth up to nine, to make more space for your transmissions when available frequencies are at a premium.

The two Microdot inputs can accept up to two lavaliers. Both microphones can transmit at the same time in stereo mode for double-miking talent with a single transmitter or just one microphone in mono mode. Zaxcom's internal recording system can record from the microphones whether the transmitter is transmitting or not.

If security is a concern on your production, the ZMT4-X encrypts its audio signals while transmitting so they can't be picked up by a third party.

Specifications

<Transmitter></Transmitter> <RF Modulation>Proprietary Digital Method</RF Modulation> <RF Frequency Step>100 KHz</RF Frequency Step> <RF Bandwidth in ZHD48 Mode>50 KHz</RF Bandwidth in ZHD48 Mode> <RF Bandwidth in ZHD96 Mode>100 KHz</RF Bandwidth in ZHD96 Mode> <RF Bandwidth in XR Mode>200 KHz</RF Bandwidth in XR Mode> <Channel Separation in ZHD48 Mode>as close as 100 KHz</Channel Separation in ZHD48 Mode> <Channel Separation in ZHD96 Mode>as close as 200 KHz</Channel Separation in ZHD96 Mode> <Channel Separation in XR Mode>400 KHz</Channel Separation in XR Mode> <Antenna Connector>50 Ω SSMA Female</Antenna Connector> <Emission Designator>180 KV2E, 100 KV2E, 50 KV2E</Emission Designator> <FCC Part>74.861</FCC Part> <Transmitter Audio></Transmitter Audio> <Dynamic Range Mono Mode>118 dB</Dynamic Range Mono Mode> <Dynamic Range Stereo Mode>108 dB</Dynamic Range Stereo Mode> <Distortion>0.00%</Distortion> <Frequency Response>Mode 0</Frequency Response> <High Pass Filter>Off or 30 to 220 Hz, Steps</High Pass Filter> <Mic Power>3.3 VDC</Mic Power> <Mic Connector>two microdot</Mic Connector> <Input Range>-60 to -30 dBu</Input Range> <Mic Impedance>6.8 k Ω</Mic Impedance> <ADC Bit-Depth>24 Bits</ADC Bit-Depth> <ADC Sampling-Rate>48 kHz</ADC Sampling-Rate> <Timecode Reader / Generator></Timecode Reader / Generator> <Clock Accuracy>1.54 PPM (1 Frame Out in 6 Hours)</Clock Accuracy> <Timecode Type>SMPTE</Timecode Type> <Timecode Frame-Rates>23.98, 24, 25, 29.97NDF, 29.97DF, 30NDF, 30DF</Timecode Frame-Rates> <Internal Recording></Internal Recording> <Media>MicroSD Card (Flash Memory)</Media> <File Format>.ZAX / Converts to BWAV or MP3</File Format> <2.4 GHz ZaxNet Receiver></2.4 GHz ZaxNet Receiver> <RF Frequency Range>2.403 to 2.475 GHz</RF Frequency Range> <RF Modulation>Digital Spread Spectrum</RF Modulation> <RF Frequency Step>0.001 GHz (1 MHz)</RF Frequency Step> <RF Bandwidth>1 MHz</RF Bandwidth> <Channel Separation>2 MHz</Channel Separation> <Sensitivity>-96 dBm</Sensitivity> <Physical></Physical> <Weight>4.4 oz / 125 grams with Battery</Weight> <Dimensions (H x W x D)>2.6” x 1.8” x .9”</Dimensions (H x W x D)> <Display>Graphic OLED</Display> <Power></Power> <Power Output>25 / 50 / 75 mW – Software Selectable</Power Output> <Battery Type>Motorola BT100</Battery Type> <Battery Life>Up to 12 Hours / 48 Hours of Standby</Battery Life>

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Consumer Alert

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device.

For more information, visit the FCC at www.fcc.gov or call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC).

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