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Lectrosonics ZS-LRLT Omni Lav Mic System (A1:470 to 537 MHz)

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  • For Professional Filmmaker, Videographer
  • M152/5P Omnidirectional Lav Mic
  • Ultracompact LT Bodypack Transmitter
  • SmartDiversity Camera-Mount Receiver
  • 3072 Auto-Scan Frequencies
  • Adjustable 50/100mW RF Output Power
  • Compander-Free Digital Hybrid Audio
  • Advanced Controls for Flexible Use
  • 4-Hr AA Batteries
  • Up to 30 Mics on Set / 350' Range
The Lectrosonics ZS-LRLT Omni Lav Mic System offers filmmakers, journalists, and videographers a set of advanced features designed to deliver flexibility and broadcast-quality sound for professional ENG and video productions. The system employs a wide tuning bandwidth of 75 MHz, along with Digital Hybrid technology for pristine, compander-free audio and reliable performance, even in the most challenging, interference-prone shooting locations.

Portable and lightweight for on-camera use with DSLR, 4/3, small 4K, and other compact HD cameras, the Lectrosonics ZS-LRLT Mic System includes the M152/5P omnidirectional lavalier microphone, the ultracompact LT bodypack transmitter with selectable 50 or 100mW RF transmission power and removable antenna, and the LR camera-mount receiver. The Lectrosonics ZS-LRLT Omni Lav Mic System features rugged aluminum housings, user-friendly operation, and compatibility modes for use with older Lectrosonics analog and IFB systems, as well as select third-party systems. It is also compatible with all Digital Hybrid wireless systems.

Advanced L Series Wireless Technology for Reliable Performance

  • Wide Tuning Bandwidth: The system features a wide 75 MHz bandwidth covering three Lectrosonics 25 MHz frequency blocks and providing up to 3072 total frequencies—selectable in 25 or 100 kHz tuning steps on the receiver. The wide bandwidth allows you to simultaneously operate up to 30 wireless mics on a set, while giving you added frequency flexibility in an increasingly crowded and shrinking RF spectrum.
  • Digital Hybrid Wireless Technology: The L Series combines the best aspects of digital and analog systems without using a compander, eliminating the artifacts (known as "pumping" and "breathing") created by the analog compander found in traditional wireless systems. The system encodes the audio at 24-bit/88.2 kHz and sends the information via an analog UHF wireless link. The result is pristine and nuanced digital audio along with the increased range, battery life, and reliability of analog UHF systems.
  • SmartDiversity: Microprocessor-controlled antenna phase combining is used for diversity reception. The firmware analyzes incoming RF signals at each of the receiver's two antennas and selects the cleanest one, improving range and resistance to dropouts.
  • Tracking Front-End RF Filters: The LR receiver employs tracking front-end filters to block interference from high-powered RF signals on nearby channels, preserving the operating range.
  • SmartSquelch: This DSP-based algorithm optimizes the receiver's performance for noiseless muting in very weak signal conditions.
  • DSP-Based Pilot Tone: The system uses a DSP-generated ultrasonic pilot tone at specific frequencies to reliably mute the audio when no RF carrier is present. 

LT Bodypack Transmitter for Flexibility in the Field

  • The LT Bodypack Transmitter features a 50 or 100mW selectable RF output option for an extended range up to 350'. The 100mW setting boost the RF output providing 15 to 20% additional range in crowded environments at the expense of only 15 to 20% of the battery life.
  • The multipurpose servo-bias TA5 audio input accepts mic- or line-level signals with a 44 dB range of gain, adjustable in 1 dB steps. It also adapts to instrument-level input for use with musical instruments, including guitars with passive pickups.
  • The detachable antenna can be substituted with a swiveling or remote antenna if required (both available separately).
  • The LT Transmitter responds to remote commands from either the dedicated Lectrosonics RM remote unit or the LectroRM app for iOS/Android tablets and smartphones (both available separately).
  • The DSP-controlled, dual-envelope input limiter handles signal peaks over 30 dB above full modulation, allowing the LT to pick up loud signal peaks without distortion—even when your acting talent goes from a whisper to a shout.
  • The LT Bodypack can be configured to operate as a "one-touch" device with a multifunction switch on the top panel—programmable for Mute, Power, Talkback, or Disabled.
  • Membrane switches and an LCD interface on the side panel provide full access to all operational parameters and advanced features.
  • An LED indicator on the top panel and a bar graph indicator on the LCD display allow precise gain adjustments for maximum signal-to-noise ratio and minimum distortion.

Versatile LR Receiver with Advanced Controls

  • The LR Receiver's back-lit, adjustable, daylight-readable LCD display shows important details at a glance, providing instant, clear information for set up and status.
  • The SmartTune function automatically scans the RF spectrum for you, making it easy to quickly find clean frequencies on location.
  • The IR sync function easily syncs the receiver with the transmitter, transferring frequency and compatibility-mode information.
  • The Lectrosonics LR Receiver is equipped with a SmartNR noise-reduction algorithm, which removes hiss without sacrificing the audio frequency response.
  • The two detachable antennas can be substituted with swiveling or remote antennas (both available separately).
  • The LR’s TA3 audio output jack provides user-selectable balanced or unbalanced audio, variable in 1 dB steps from mic to line level.
  • Output cables include a TA3 to XLR-M cable for XLR-equipped cameras or recording devices, and a TA3 to 3.5mm TRS cable for DSLR and mirrorless cameras.

M152/5P Lavalier Microphone with TA5 Connector

  • The LectrosonicsM152 Lavalier Microphone is a high-performance lavalier microphone with heavily suppressed mechanical noise for critical applications.
  • The M152 Lavalier Microphone's wide, flat-frequency response is augmented by a 2 to 3 dB bump in the upper octaves to capture crisp, intelligible speech.
  • The lavalier’s omnidirectional polar pattern ensures that the sound remains consistent, even when the speaker’s head moves away from the mic.

Other Features

  • Transmitter and receiver can be powered via two AA batteries or with an optional LTBATELIM battery eliminator that replaces the hinged battery door.
  • 4 hours of battery life.
  • The USB port on each unit allows for easy firmware updates.
  • Adding the HMa plug-on transmitter allows you to connect any handheld microphone of your choice or a shotgun mic for wireless booming. You can even apply selectable 5/15/48V phantom for condenser mics. The unit features selectable 50/100mW RF power for extended transmission range.
In the Box
  • Lectrosonics L Series ZS-LRLT Camera-Mount Wireless Omni Lavalier Microphone System (A1: 470 to 537 MHz)
  • Lectrosonics L Series LR Camera-Mount Wireless Receiver (A1: 470 to 537 MHz)
  • Lectrosonics L Series LT Bodypack Wireless Transmitter (A1: 470 to 537 MHz)
  • Lectrosonics M152/5P Omnidirectional Lavalier Microphone with TA5F Connector (Black)
  • Lectrosonics LRSHOE Receiver Mount Kit for LR Receiver
  • Lectrosonics MCLRTRS TA3F to 3.5mm Cable (20")
  • Lectrosonics MCSRXLR TA3 Female to XLR Male Cable (12")
  • 2 x Belt Clips
  • 4 x AA Batteries
  • Lectrosonics CCMINI Zippered Carrying Case - for Compact Wireless Microphone Systems
  • Limited 1-Year Warranty
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Product ConditonNew


Wireless Technology Analog UHF
Number of RF Channel Frequencies 3072
Included Transmitters 1 x Bodypack
Diversity Smart Diversity
RF Frequency Band A1:
470.1 to 537.575 MHz
RF Bandwidth 75 MHz
Frequency Step Size 25 kHz
100 kHz
Max Operating Range 350' / 106.7 m (Line of Sight)
Max Transmitters per Band 30
Sample Rate/Resolution 88.2 kHz / 24-Bit
Modulation Wideband FM


Receiver Type Camera-Mount
Mounting Options Belt Clip, Shoe-Mount (with Included Hardware)
Antenna 2 x Flexible Whip, Detachable (Top-Mount)
Number of Audio Channels 1
Audio I/O 1 x TA3/Mini XLR Male Balanced/Unbalanced Output
Audio Output Level -50 to +5 dBu
Frequency Response 32 Hz to 20 kHz ±1 dB
USB/Lightning Connectivity 1 x Micro-USB (Host Connection)
RF Principle Double Superheterodyne
Squelch 100 dBm
Spurious Rejection: 85 dB
Power Requirements Battery, Proprietary Power Adapter
Battery Type 2 x AA (Included)
Approx. Battery Life 4 Hours (Alkaline)
Display & Indicators 1 x Backlit LCD (AF Level, Battery Status, Diversity, Frequency, RF Level)
Housing Aluminum
Operating Temperature 68 to 122°F / 20 to 50°C
Dimensions 3.2 x 2.4 x 0.8" / 81.3 x 61 x 20.3 mm
Weight 7.8 oz / 221 g (with Antenna, Batteries)


Transmitter Type Bodypack
RF Output Power 50 / 100 mW (Switchable)
Audio I/O 1 x TA5/Mini XLR 5-Pin Male Input (Lockable)
Muting Programmable Mute Switch
Audio Input Level (Mic Level, Line Level)
Gain Range 44 dB
Frequency Response 35 Hz to 20 kHz1
Sync Method IR
Antenna 1 x Flexible Whip, Detachable
Power Requirements Battery
Battery Type 2 x AA (Included)
Approx. Battery Life 4 Hours (Alkaline)
USB/Lightning Connectivity 1 x Micro-USB (Host Connection)
Display & Indicators 1 x Backlit LCD (Audio Level, Battery Status)
Housing Aluminum
Dimensions 2.8 x 2.4 x 0.7" / 72 x 62 x 19 mm
Weight 5.9 oz / 167.3 g (with Antenna, Batteries)


Microphone Type Lavalier
Sound Field Mono
Polar Pattern Omnidirectional
Frequency Range 20 Hz to 20 kHz
SNR 38 dB
Impedance 3 Kilohms
Sensitivity 10 mV/Pa
Output Connectors 1 x TA5/Mini XLR Male (Lockable)
Operating Voltage 10 V
Operating Current Consumption 30 µA
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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