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Lectrosonics SSM (Super Slight Micro) UHF Bodypack Transmitter

Lectrosonics SSM (Super Slight Micro) UHF Bodypack Transmitter Lectrosonics SSM (Super Slight Micro) UHF Bodypack Transmitter Lectrosonics SSM (Super Slight Micro) UHF Bodypack Transmitter Lectrosonics SSM (Super Slight Micro) UHF Bodypack Transmitter Lectrosonics SSM (Super Slight Micro) UHF Bodypack Transmitter Lectrosonics SSM (Super Slight Micro) UHF Bodypack Transmitter Lectrosonics SSM (Super Slight Micro) UHF Bodypack Transmitter
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Product Code: SSM-A1 | SSM-B1

The Lectrosonics SSM is ideal in theatrical or any other production where concealment in costuming is required. In spite of its tiny size, the transmitter offers an extensive feature set and performance on par with all of the Digital Hybrid Wireless models.

Frequencies are selectable in 100 kHz or 25 kHz steps across a maximum tuning range of 76.7 MHz. This yields a total of 3072 available frequencies across three standard frequency blocks. The tuning range varies in some blocks to meet applicable frequency allocations.

Power is provided by a rechargeable Lithium-ion battery. The formed stainless steel battery door latches closed securely, and cannot be jarred open accidentally.

The servo bias input accepts mic or line level signals with a wide range of gain adjustment in 1 dB steps. Accurate LED indications on the keypad allow precise gain adjustments to be made for the maximum signal to noise ratio and minimum distortion. The limiter in the preamp can cleanly handle signal peaks over 30 dB above full modulation, allowing the input gain to be set high enough to achieve the maximum signal to noise ratio, yet provide protection against input overload.

Compatibility with earlier analog Lectrosonics receivers, Lectrosonics IFB receivers and some receivers from other manufacturers is provided by DSP emulation modes selected in the LCD menu.

The Lectrosonics SSM package includes:

(1) SSM Bodypack Transmitter
(1) NP-50 Lithium Ion Rechargeable Batteries
(1) BC-45W Battery Charger
(1) Removable Belt Clip
(2) Replacement USB Port Covers
(1) Quick Start Guide

The housing is constructed of machined aluminum, finished with an ultra hard, black electroless nickel finish called ebENi.

Lectrosonics SSM Audio Input Jack



The audio input jack is a LEMO 00 Series 3-pin connector, common in theatrical production. A threaded collar adds additional ruggedness. An IR (infrared) port next to the antenna allows transfer of frequency and compatibility mode settings from IR enable receivers.

Lectrosonics SSM Membrane Switch Panel

The membrane switch panel and LCD enable access to all adjustments and settings. The menu structure is easy to navigate. Battery status is indicated by a bi-color LED that is green with a fresh battery, then turns to red as the battery runs down, and finally starts blinking red when there are only a few minutes of runtime remaining.

Lectrosonics SSM Battery Cover








The battery cover is made of stainless steel for durability, and to preserve the thin wall thickness needed for a miniature design. The cover is hinged to the housing to simplify handling during battery changes. The belt clip slides over the end of the cover and is retained by tabs on the cover that nest into holes on the clip.

Lectrosonics SSM Battery Cover







Secure latches on the battery cover prevent accidental opening, yet are easy to operate. A USB port also on the bottom panel makes firmware updates quick and easy.


Lectrosonis SSM - Features:

  • Tunable across three standard frequency blocks (76.8 MHz)
  • Digital Hybrid Wireless audio for compandor-free digital quality
  • Selectable 25 or 50 mW RF power
  • Compatibility modes for use with analog receivers
  • 25 or 100 kHz tuning steps for up to 3072 selectable frequencies
  • Wide range input gain control in 1 dB steps
  • Quick change Lithium-ion rechargeable battery
  • Audio coupled remote control

CONSUMER ALERT: This particular wireless microphone device operates in portions of the 617-652 MHz or 663-698 MHz frequencies. Beginning in 2017, these frequencies are being transitioned by the Federal Communications Commission (FCC) to the 600 MHz service to meet increasing demand for wireless broadband services. Users of this device must cease operating on these frequencies no later than July 13, 2020. In addition, users of this device may be required to cease operations earlier than that date if their operations could cause harmful interference to a 600 MHz service licensee’s wireless operations on these frequencies. For more information, visit the FCC's wireless microphone website or call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC).

  • Operating Frequencies (MHz):
    • Block A1: 470.1 to 537.575
    • Block B1: 537.6 to 614.375
  • Frequency Selection Steps: Selectable, 100 kHz or 25 kHz
  • RF Power output: Selectable; 25 or 50 mW
  • Pilot Tone: 25 to 32 kHz; 5 kHz deviation (Digital Hybrid mode)
  • Frequency Stability: ± 0.002 %
  • Deviation: ± 50 kHz max. (Digital Hybrid mode)
  • Spurious Radiation: 60 dB below carrier
  • Equivalent Input Noise: -120 dBV (A-weighted)
  • Input Level: Nominal 2 mV to 300 mV, before limiting. Greater than 1V maximum, with limiting.
  • Input Impedance:
    • Mic: 300 or 4.5K Ω, selectable
    • Line: >100K Ω
  • Input Limiter: DSP controlled, dual envelope "soft" limiter with greater than 30 dB range
  • Gain Control Range: 44 dB; digital control
  • Modulation Indicators: Dual bicolor LEDs indicate modulation of -20, -10, 0 and +10 dB referenced to full modulation
  • ​Audio Performance, Digital Hybrid Wireless Mode Only:
    • Frequency Response: 70 Hz to 20 kHz ± 1 dB
    • Low Frequency Roll-Off: -12 db/octave; 70 Hz
    • THD: 0.2% (typical)
  • Signal to Noise Ratio @ Receiver Output:
    SmartNR No Limiting With Limiting
    OFF 103.5 108
    NORMAL 107 111.5
    FULL 108.5 113
    Note: The dual envelope "soft" limiter provides exceptionally good handling of transients using variable attack and release time constants. Once activated, the limiter compresses 30+ dB of transmitter input range into 4.5 dB of receiver output range, thus reducing the measured figure for SNR without limiting by 4.5 dB.
  • Controls: Side panel membrane switches with LCD interface for power on/off and all setup and configuration controls
  • Audio Input Jack: LEMO 00 Series 3-pin
  • Antenna: Galvanized steel, flexible wire
  • Battery:
    • Type: Lithium-ion 3.7 V 800 mAH DLF40 battery pack
    • Life: 4 hours per charge
  • Emission Designator: 180KF3E
  • Housing Dimensions (H x W x D): 2.3 x 1.5 x .56 in | 58.4 x 38 x 14.2 mm
  • Weight: 2.3 oz | 65.2 g, including lithium battery pack

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