Sennheiser SL Lavalier Set DW-4-US R MKE1 Lav Mic
SL Lavalier Set DW-4-US R
Discover the perfect wireless lavalier microphone set for speeches and lectures. This compact and powerful set is designed to deliver exceptional sound quality and performance, making it the ideal choice for professionals and enthusiasts alike.
• Exceptional Sound Quality: Enjoy crystal-clear audio with the MKE 1 condenser lavalier microphone, delivering the best speech clarity and natural sound.
• Long Battery Life: Stay powered up for up to 15 hours with the rechargeable accupacks, ensuring you never miss a beat.
• Versatile Setup: Choose between Rackmount Sets (-R version) or Case Sets (-C version), depending on your installation preferences.
The Sennheiser SL Lavalier Set DW-4-US also features automatic frequency and interference management, excellent speech intelligibility, full, natural sound with low ambient noise, a lockable 3.5 mm jack socket, and secure 256 bit AES encryption.
What's in the box
- MKE 1
- SL Bodypack DW
- SL Rack Receiver DW
- BA 30 rechargable battery
- GA 4 Rackmount Kit and Pouch
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 k
- Signal-to-noise ratio: > 90 dB(A)
- Equivalent noise level: 27 dB
- Maximum sound pressure level (passiv): 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 A
- 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


The Sennheiser SL Lavalier Set DW-4-US is a wireless lavalier microphone set optimized for speeches and lectures. It includes a bodypack transmitter, stationary receiver, and everything needed for use or installation, along with the MKE 1 condenser lavalier microphone. The set comes with rechargeable accupacks that offer up to 15 hours of operating time and are USB rechargeable. There are two types of sets available: Rackmount Sets (-R version) with everything for rack mounting, and Case Sets (-C version) in a transport case without rackmounts if you don't want to install the receiver. Ideal for professionals and enthusiasts giving speeches or lectures, this set offers great sound quality and performance. The features include automatic frequency and interference management, excellent speech intelligibility, and full, natural sound with low ambient noise. The specifications cover aspects like frequency response, THD, transducer principle, power consumption, and more. Overall, it's a great choice for those looking for a reliable and high-quality wireless lavalier microphone solution for their speaking events.