LECTROSONICS

ZS-DSSM (B1C1: 537 - 662 MHz)

Water-resistant digital transmitter (537–662 MHz), IP57 rated, 10/25/50mW (D2) or 4mW (HDM), 3-pin LEMO input, AES 256-bit encryption, 6-hour runtime, includes 4-bay charger for DSSM or LB-50 batteries


$3,700.00 CAD
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Description

The Lectrosonics DSSM Water-Resistant Micro Digital Wireless Transmitter (537 to 662 MHz) with included charging station is a compact and professional-grade wireless audio solution built for demanding production environments. Engineered for theater, film, TV, sports, and broadcast, it’s the smallest transmitter Lectrosonics offers with IP57-rated protection, allowing it to withstand dust and immersion in water up to 3.3 feet for over 30 minutes. Despite its size, it offers a rugged aluminum chassis, a LEMO 3-pin mic input, and compatibility with a wide range of Lectrosonics digital receivers including the DSQD, DCHR, M2Ra, DSR, DSR4, and DCR822.

Its wide 537.6 to 662.95 MHz UHF frequency band gives it operational versatility, while selectable RF output levels like 10, 25, and 50 mW in D2 mode and 4 mW in HDM mode, let you balance range and battery life. A high-efficiency circuitry design powers the transmitter for up to 6 hours on a full charge using the removable LB-50 rechargeable battery. Control is made simple via a membrane switch panel and OLED display, which provides access to precise settings including gain in 1 dB steps, selectable low-frequency roll-off, and AES 256-bit CTR encryption for secure transmission across government, corporate, or live broadcast scenarios.

Also included is the CHSDSSM 4-Bay Charging Station, allowing up to four DSSM transmitters or LB-50 batteries to charge simultaneously which is ideal for larger setups. This modular charger supports daisy-chaining of up to four units from a single AC/DC power supply (sold separately), enabling simultaneous charging of up to 16 devices. LED indicators on each bay show charging progress, while built-in safety features such as reverse polarity protection and fused circuits ensure reliable, long-term operation. Whether you're building a stealthy bodypack system for a live show or managing multiple transmitters in the field, this bundle delivers unmatched durability, flexibility, and performance.

Features

Ultra-Compact Digital Wireless Transmitter
DSSM is Lectrosonics' smallest water-resistant digital transmitter, ideal for theater, film, TV, and live production.

IP57 Water Resistance
Built to withstand dust and submersion in water up to 3.3 ft for 30+ minutes which is perfect for demanding environments.

Wide Compatibility
Works with DSR, DSR4, DSQD, DCR822, DCHR, and M2Ra digital receivers.

LEMO 3-Pin Input with Servo Bias
Supports electret lavaliers, dynamic mics, and line-level sources with precision input control.

Selectable RF Power
Transmit at 10, 25, or 50mW in D2 mode, or 4mW in High Density (HDM) mode.

Built-In DSP Limiter and Low-Cut Filters
Protects against audio overload and enables selectable low-frequency roll-off from 35 to 150 Hz.

AES 256-Bit CTR Encryption
Offers secure transmission with four key management policies for professional and confidential applications.

Rechargeable LB-50 Battery
Runs up to 6 hours per charge; easily removed and replaced in the field.

OLED Display with Membrane Controls
Provides easy access to settings with a clear interface and intuitive navigation.

Remote Control via LectroRM App
Make adjustments wirelessly from iOS or Android devices using encoded audio tones.

4-Bay Charger for DSSM and LB-50
The CHSDSSM drop-in charger can charge up to four DSSM transmitters or LB-50 batteries simultaneously.

Expandable Charging System
Daisy-chain up to 4 charging units (16 batteries or transmitters) with one DCR5/9AU power supply (sold separately).

Charge Status LEDs
Each bay has a red/green LED to indicate charging progress at a glance.

Fast Charging
Fully charges each battery or unit in approximately 3 hours.

Compact and Rack-Friendly
Measures just 8.5 x 4.4 x 1.2", ideal for mobile kits or larger charging stations.

Specifications

General Specifications
Device Type: Water-Resistant Micro Digital Wireless Transmitter
Frequency Range: 537.6 to 662.95 MHz
Wireless Technology: Digital UHF
Compatibility: DSQD, DCHR, M2Ra, DSR, DSR4, DCR822
Encryption: AES 256-bit CTR (Universal, Shared, Standard, Volatile)
Construction: Machined aluminum alloy, ebENi finish
Water Resistance: IP57 (dust protected, immersion up to 3.3 ft for 30 min)
Display: OLED
Control Interface: Membrane switches, LectroRM App (iOS/Android), IR Sync
Firmware Updates: USB Micro port (internal, via Wireless Designer software)

Audio Specifications
Input Connector: LEMO 3-pin
Input Types: Microphone, Instrument, Line-level
Bias Power: 4 V Plug-in Power
Frequency Response: 35 Hz to 20 kHz
Limiter: DSP-controlled analog limiter with >30 dB range, dual-release envelope
Low Frequency Roll-Off: Selectable at 35, 50, 70, 100, 120, 150 Hz
Gain Adjustment: 1 dB steps
Muting/Auto Gain: Not supported

RF Specifications
RF Output Power (D2 Mode): 10 / 25 / 50 mW
RF Output Power (HDM Mode): 4 mW
Antenna: Removable flexible whip, SMA mount

Power Specifications
Battery Type: LB-50 Li-ion rechargeable, 1000 mAh (included, replaceable)
Battery Life: Up to 6 hours (on full charge)
Charging Time: 3 hours (via CHSDSSM charger)

Physical Specifications
Dimensions: 2.6 x 1.9 x 0.7 in / 66 x 49 x 17 mm
Weight: 3.5 oz / 100 g (with battery)

Charging Station (CHSDSSM) Specifications
Capacity: Charges up to 4 DSSM transmitters or LB-50 batteries
Chaining Capability: Up to 4 units (16 slots total) with single DCR5/9AU PSU
Charging Status: Individual LED indicators (Red = Charging, Green = Charged)
Fuse Protection: Individual 10A one-time fuse per bay
Power Input: 100–240 VAC, 50/60 Hz, 2 A (AC adapter not included)
Dimensions: 8.5 x 4.4 x 1.2 in / 216 x 111 x 29.4 mm
Weight: 1 lb / 471.7 g

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