Lectrosonics DSSM/E01-A1B1

Lectrosonics DSSM/E01-A1B1

The Lectrosonics DSSM/E01-A1B1 is an ultra-compact, fully digital micro transmitter built for productions where small size, water resistance and reliability are critical. Using third-generation digital architecture with power-efficient circuitry, the DSSM delivers robust performance in a housing that’s easy to conceal. With IP57 protection and a removable LB-50 battery, it’s ideal for theatre, film, TV and broadcast applications.

The DSSM accepts mic- or line-level analog signals as well as AES digital sources, converting them to a pure digital RF transmission. Supporting both D2 and HDM modes, it can be used flexibly in standard or high-density RF environments. RF output is selectable at 10, 25 or 50 mW (D2) and 4 mW (HDM), with battery life between 4.5 and 6.75 hours depending on settings. Besides this A1B1 version (Block A1B1, 470.100–614.375 MHz), the DSSM/E01-B1C1 is also available.

Main Features

• Digital micro transmitter in the DSSM series
• Block A1B1: 470.100 – 614.375 MHz
• Frequency selection in 25 kHz steps
• Selectable RF power: 10, 25, 50 mW (D2); 4 mW (HDM)
• Battery life: ~4.5 h (50 mW), 5 h (25 mW), 6 h (10 mW), 6.75 h (HDM 4 mW)
• Encryption: AES-256 CTR
• Compatibility modes: D2 and HDM
• Frequency stability: ±0.002%; spurious radiation per ETSI EN 300 422-1
• Equivalent input noise: –120 dBV (A-weighted)
• Input level: 2 mV–300 mV before limiting; >1 V max with limiting; line up to +24 dBu
• Input impedance: mic 300 or 4.5 kΩ (selectable), line 900 Ω, instrument 1 MΩ
• Limiter: DSP-controlled dual-envelope, >30 dB range; gain –7 to +44 dB in 1 dB steps
• Frequency response: 35 Hz–20 kHz (HDM up to 15 kHz); low-cut at 35/50/70/100/120/150 Hz
• THD: ~0.2% typical
• Modulation indicators: dual bi-color LEDs (–20, –10, 0, +10 dB) and OLED display
• Audio input: locking 3-pin subminiature (LEMO)
• Antenna: SMA connector with flexible wire antenna
• Controls: membrane keys, OLED, IR sync
• Housing: CNC-machined aluminum with ebENi nickel finish
• Weight: ~100 g incl. LB-50 battery; dimensions: 66 × 49 × 17 mm
• Compatible with: M2Ra, DCHR, DSR, DSR4, DSQD, DCR822; firmware via USB/Wireless Designer
• Optional dock charger: CHSDSSM for unit or LB-50 batteries

Included

• DSSM/E01-A1B1 transmitter
• LB-50 lithium-ion battery
• Antenna (AMM19 or AMM22, band-dependent)
• Reversible belt/wire clip
• Carrying pouch
• User manual