Sennheiser SL DW-4-US R Headmic Set
Discover the ultimate headworn microphone set for seamless communication! This set is designed for those who demand crystal-clear audio during presentations, speeches, or broadcasts.
• Ultra-Sleek Design: Weighs just 7g without the cable, the SL Headmic 1 is sleek and robust, with a black and silver design that blends in perfectly. • Exceptional Sound Quality: Enjoy outstanding, omni-directional sound with excellent speech intelligibility. • Long-Lasting Battery: Comes with rechargeable accupacks for up to 15 hours of continuous use, rechargeable via USB.
Choose between Rackmount Sets (-R version) with all rack mounting essentials or Case Sets (-C version) in a transport case. Ideal for professionals seeking high-quality, reliable audio solutions.
Features:
- Automatic frequency and interference management for a stable connection
- Lockable 3.5 mm jack socket for added security
- Secure 256 bit AES encryption for privacy
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
- 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)
- Frequency range: Eu: 1,880 to 1,900 MHz
- Frequency range: Usa: 1,920 to 1,930 MHz
- Frequency range: Brazil: 1,910 to 1,920 MHz
- Frequency range: Taiwan: 1,880 to 1,895 MHz
- Frequency range: Japan: 1,893 to 1,906 MHz
- 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
- Connection: Network: RJ 45



This Sennheiser SL DW-4-US R Rackmount Wireless Headmic Set is perfect for presentations, speeches, and broadcasts. It's designed for professionals who need clear audio. The SL Headmic 1 is super lightweight, just 7g without the cable, and has a sleek black and silver design. It offers outstanding omni-directional sound quality for excellent speech intelligibility. With rechargeable accupacks, you get up to 15 hours of use. Choose between Rackmount Sets (-R version) or Case Sets (-C version).