SMWB Single Battery Transmitter

Block A1 (470.100 - 537.575 MHz)

Model:

SMWB-A1

Price:	$1,790.00

Features

Get 50% off a transmitter when purchased as part of a 2-channel SRc digital wireless system or 20% off the entire system when purchased as part of a Venue 2 system from 3/20/26 - 4/30/2026. Details here.
Firmware updates post 2/1/22 fix an occasional 2.75 kHz whine. Firmware for all versions of the SMWB available here.
Can be used as either a transmitter OR a recorder
Records on MicroSD card in the Broadcast Wave format
Wideband frequency ranges - A1 and B1
Variable RF power at 100, 50, or 25 mW.
Up to 4.4 hours of run time on one AA lithium battery
Servo-Bias TA5 microphone input
Powered by one AA battery

Description

Overview

The SMWB can function either as a wideband transmitter or a bodypack recorder. It features a removable antenna, selectable 25/50/100 mW RF power, line input level select, and RM remote control capability. It tunes across three standard frequency blocks.

The standard TA5 connector with servo-bias mic input is compatible with lavalier microphones wired for other Lectrosonics transmitters with TA5 inputs.

The SMWB can be configured as either a transmitter or a bodypack recorder. The audio files are recorded to a MicroSD card in the industry standard Broadcast Wave format at 24 bits, 44.1 kHz sample rate. The MicroSD memory card can also be used to update firmware in the field.

An IR port is included to allow for quick setup when using any IR equipped receiver such as the LR, SRc or Venue 2. This allows for easy integration with a larger wireless system using Wireless Designer software for frequency management and system monitoring.

The SMWB features a large, backlit LCD.

Specifications

<Frequency Selection Steps> Selectable; 100 kHz or 25 kHz </Frequency Selection Steps> <RF Power Output> Selectable; 25, 50 or 100 mW </RF Power Output> <Pilot Tone (Digital Hybrid mode)> 25 to 32 kHz; 5 kHz deviation </Pilot Tone (Digital Hybrid mode)> <Frequency Stability> ± 0.002% </Frequency Stability> <Deviation> ± 75 kHz max. (Digital Hybrid mode) </Deviation> <Spurious Radiation> Compliant with ETSI EN 300 422-1 </Spurious Radiation> <Equivalent Input Noise> –125 dBV (A-weighted) </Equivalent Input Noise> <Dynamic Mic Input Level> 0.5 mV to 50 mV before limiting Greater than 1 V with limiting </Dynamic Mic Input Level> <Electret Lavalier Input Level> 1.7 uA to 170 uA before limiting Greater than 5000 uA (5 mA) with limiting </Electret Lavalier Input Level> <Line level input> 17 mV to 1.7 V before limiting Greater than 50 V with limiting </Instrument Input Level> <Dynamic Mic Input Impedance> 300 Ω </Dynamic Mic Input Impedance> <Line Level Impedance> 2.7 kΩ </Line Level Impedance> <Input Limiter> “soft” limiter with greater than 30 dB range </Input Limiter> <Gain Control Range> 44 dB; digital control </Gain Control Range> <Modulation indicators> Dual bicolor LEDs indicate modulation of -20, -10, 0 and +10 dB referenced to full modulation; LCD bar graph </Modulation indicators> <Audio Performance (Digital Hybrid mode)> </Audio Performance (Digital Hybrid mode)> <Frequency Response> 35 Hz to 20 kHz (+/-1dB) </Frequency Response> <Low Frequency Roll-off> Adjustable from 35 to 150 Hz </Low Frequency Roll-off> <THD> 0.2% (typical) </THD> <SNR at receiver output, SmartNR OFF> 103.5/108.0 (without limiting/with limiting) </SNR at receiver output, SmartNR OFF> <SNR at receiver output, SmartNR NORMAL> 107.0/111.5 (without limiting/with limiting) </SNR at receiver output, SmartNR NORMAL> <SNR at receiver output, SmartNR FULL> 108.5/113.0 (without limiting/with limiting) </SNR at receiver output, SmartNR FULL> <Audio Input Jack> Switchcraft 5-pin locking (TA5F) </Audio Input Jack> <Antenna> Galvanized steel, flexible wire </Antenna> <Battery> 1.5 Volt AA lithium </Battery> <Weight> 2.7 oz. </Weight> <Dimensions> 2.3 x 1.8 x 0.64 inches; 58 x 46 x 16 mm </Dimensions> <Emission Designator> 180KF3E </Emission Designator> <Recorder> </Recorder> <Storage media> microSDHC memory card </Storage media> <File format> .wav files (BWF) </File format> <A/D converter> 24- bit </A/D converter> <Sampling rate> 44.1 kHz </Sampling rate> <Recording modes> </Recording modes> <HD mono mode> 24 bit - 144 kbytes per second; 32 bit - 192 kbytes per second </HD mono mode> <Split gain mode> 24 bit - 288 kbytes per second; 32 bit - 384 kbytes per second</Split gain mode>

In the Box

SMWB Transmitter
AMM Antenna
Transmitter Pouch
Spring Loaded Belt Clip
Connector Kit

Review

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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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# of billing days subject to duration.
Week = 3 billing days/week
3 Weeks or more = 2 billing days/week

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