Sennheiser SL LAVALIER SET DW-4-US C SpeechLine Wireless Lavalier System, 1.9Ghz with MKE1 Lavalier Microphone

The SL Lavalier Set DW-4-US-C case set from Sennheiser is a Wireless lavalier set that includes the body-pack transmitter, stationary receiver and everything to use or install. It comes with the MKE 1 condenser lavalier microphone - not just any lavalier mic, but one of the best and most unobtrusive ones for great presentations with best speech clarity.

All sets also come with rechargeable accupacks with up to 15 hrs of operating time. The accupack is also USB rechargeable,

Includes

• MKE 1 lavalier microphone
• SL Bodypack DW
• SL Rack Receiver DW
• BA 30 rechargable battery
• Case or GA 4 Rackmount Kit and Pouch
• cable

Features

• 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

Specifications

• 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
• Connection:
  • Audio Out: XLR 3M
  • Audio Out: 2 x RCA
  • Network: RJ 45
• Latency: 19 ms
• Relative air humidity: max. 95 %
• Operation Temperature range*: 14 °F to 131 °F (-10 °C to 55 °C)
• Storage Temperature range*: -4 °F to 158 °F (-20 °C to 70 °C)
  • NOTE: * The temperature range is influenced by the battery characteristics