Sennheiser SL Lavalier SET Wireless Microphone

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Sennheisers smallest lavalier microphone set optimized for speeches and lectures.


  • Automatic frequency and interference management
  • Excellent speech intelligibility
  • Full, natural sound with low ambient noise
  • Automatic frequency and interference management
  • Lockable 3.5 mm jack socket
  • Secure 256 bit AES encryption

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Frequency response 20 to 20,000 Hz
THD, total harmonic distortion typ. 0.1 %
Transducer principle Condensor
Power consumption 350 mA
Pick-up pattern omni-directional
Nominal impedance 1 kΩ
Signal-to-noise ratio > 90 dB(A)
Equivalent noise level 27 dB
Maximum sound pressure level (passive) 143 dB
RF output power adaptive, up to 250 mW (country-specific)
Power supply 12 V DC
Antenna connector 2 x reverse SMA
Current consumption approx. 240 μA
Audio output level (balanced) max. -18 dBu, typ. -24 dBu
Audio output level (unbalanced) max. +6 dBu
Dynamic range > 120 dB(A)
Operating voltage (stand alone) 4,5 – 15 V
RF sensitivity < -90 dBm
Sensitivity in free field 5 mV/Pa ± 2.5 dB (at 1 kHz)
Sampling rates 24 bit/48 kHz


Audio Out: XLR 3M Audio Out: 2 x RCA Network: RJ 45




Sennheiser electronic GmbH & Co. KG is a German privately held audio company specializing in the design and production of a wide range of high fidelity products, including microphones, headphones, telephone accessories and aviation headsets for personal, professional and business applications. Unique Business systems Ltd. is an authorized distributor of sennheiser sound systems.


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