User manual
Sennheiser SpeechLine Digital Wireless SL Lavalier

User Manual for Sennheiser SpeechLine Digital Wireless SL Lavalier Set DW-4-US C Wireless Mic System with Case

• Product category: Wireless Systems Sennheiser
• Brand: Sennheiser
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Sennheiser Wireless Systems

Product description

• SpeechLine Digital Wireless SL Bodypack DW-4-US Wireless Transmitter The SpeechLine Digital Wireless SL Bodypack DW-4-US from Sennheiser is an SL Series wireless transmitter optimized for speech. It can be used when paired with an optional wireless receiver and microphone in applications for meetings, lectures, conferences presentations where every word matters. In addition, it is compatible with all Sennheiser microphones such as the SL Headmic 1 or MKE 1 (sold separately). Featuring bi-directional communication between transmitter and receiver, the automatic frequency and interference management allows for convenient and reliable operation, which means the SL bodypack requires no settings to be adjusted. The LC display provides the link name, battery status and reception quality, and the easy-to-access mute-slider makes the use of the microphone very convenient. Furthermore, the SL bodypack comes with a rechargeable BA 30 accupack that is built with external charging contacts – for easy charging with the CHG 2 and a USB socket. It provides up to 15 hours of operating time on a full charge. Finally, Sennheiser Control Cockpit software (download) offers easy handling, control, and maintenance for the SpeechLine Digital Wireless System. It provides a global overview of all network-enabled devices, shows all status information, and makes setting adjustments very easy. UPC: 615104243835
• MKE1 - Professional Lavalier Microphone for EW Series Wireless (Black) The Sennheiser MKE1 Miniature Lavalier Microphone is their smallest, professional lavalier microphone to date. Measuring just 3.5mm (0.13") in diameter, the MKE1 is well suited for placement in hair, the body, clothing, accessories, props, etc.Audio signal is reproduced transparently, while maximum intelligibility of speech and vocals is achieved with its omnidirectional polar pattern and wide frequency response.The Kevlar reinforced cable is rugged and minimizes surface noise. The MKE1's moisture resistant enclosure protects against damage caused by moisture, making it well suited for actors, performers and broadcast applications.
  • 1/8" (3.5mm) connection for Sennheiser EW series wireless transmitters
  • Great strengths - small microphone
  • Very small dimensions (3.3mm capsule diameter)
  • High maximum sound pressure level (142dB)
  • Very high speech intelligibility; clear, pleasant treble
  • Full, natural sound with low ambient noise
  • Thin (1mm diameter) and robust cable; flexible with minimum handling noise
  • Very sweat-resistant due to protective membrane
  • Flexible tubes for attaching the microphone with clips or adhesive tape
  UPC: 615104170551
• SpeechLine Digital Wireless SL Rack Receiver DW-4-US The SpeechLine Digital Wireless SL Rack Receiver DW-4-US from Sennheiser is an easy-to-integrate wireless receiver for the SpeechLine Digital Wireless System. It features an OLED display for easy setup and operation and can be used when paired with a wireless transmitter and microphone (sold separately) for applications such as lectures, meetings, and more. With secure 256-bit AES encryption, the receiver has bi-directional communication, which allows all settings from the mobile transmitter to be adjusted from the receiver. In addition, the automatic frequency and interference management provides convenient and reliable operation, thanks to the easy-to-handle pairing process. Finally, via network integration all settings and statuses are accessible from AMX/Crestron media-control protocols and the dedicated Sennheiser Control Cockpit software. The antennas can be either back or front mounted. A power supply is also included. UPC: 615104243804
• BA 30 Rechargeable Battery Pack The BA 30 from Sennheiser is a rechargeable battery pack for the evolution wireless SK D1 or AVX Bodypack Transmitter (sold separately). It can be used to replace the two AA size batteries that power the transmitter-unit. The BA 30 uses a lithium-ion 3.7V rechargeable battery. UPC: 615104248731

• BA 30 Rechargeable Battery Pack

• Carry Pouch

• Limited 2-Year Warranty

• MKE 1 Clip-on Microphone

• MZQ222 Clip

• Pouch

• MZC 1-1 Small Frequency Response Cap

• MZC 1-2 Large Frequency Response Cap

• Make-up Protection Caps

• 1 Year Warranty

• Power Supply

• 2 x Antennas

• Limited 2-Year Warranty

• Limited 2-Year Warranty

Also Includes

• Case
• Limited 2-Year Warranty

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Technical parameters

• SpeechLine Digital Wireless SL Bodypack DW-4-US Wireless Transmitter

  Frequency Response	20 Hz to 20 kHz
  Dynamic Range	> 120 dBA
  Total Harmonic Distortion (THD)	Typical 0.1 %
  Sampling Rates	24-bit/48 kHz
  Signal-to-Noise Ratio	> 90 dBA
  Encryption	AES 256
  Frequency Range	USA: 1,920 to 1,930 MHz
  Modulation	GFSK with back channel
  Transmission Method	TDMA, space diversity
  Latency	19 ms
  Relative Humidity	Maximum 95%
  Temperature Range	Operation: 14 to 131°F (-10 to 55°C) Storage: -4 to 158°F (-20 to 70°C)

  RF Output Power	Adaptive, up to 250 mW (country-specific)
  Frequency Response	Output Mic: 50 Hz to 20 kHz Output Line: 20 Hz to 20 kHz
  Maximum Input Level	Mic: 2.2 V RMS Line: 3.3 V RMS
  Line Input Impedance	1 MOhms
  Input Sensitivity	Automatic sensitivity adjustment
  Power Supply	Accupack: BA 30 (Li-Ion, 3.7 V) Batteries: 2 x AA size battery (1.5 V) Charging Capacity: 2030 mAh
  Operating Time	Accupack: Typical 15 hours Batteries: Typical 11 hours
  Output Connector	1/8" (3.5 mm) locking mini-jack
  Dimensions	Not specified by manufacturer
  Weight	3.1 oz (88 g)

  Box Dimensions (LxWxH)	13.9 x 3.3 x 2.7"

• MKE1 - Professional Lavalier Microphone for EW Series Wireless (Black)

  Transducer	Condenser
  Polar Pattern	Omnidirectional
  Frequency Response	20Hz to 20kHz +/- 2.5dB
  Dynamic Range (Typical)	Not Specified By Manufacturer
  Signal-to-Noise Ratio	27dB 39dB (weighted as per CCIR 468-3)
  Maximum Input Sound Level	142dB
  Power Requirements	4.5 - 15V
  Output Impedance	1k Ohm (Nominal) 4.7k Ohm (Min. Terminating)
  Output Connectors	1/8" (3.5mm) for EW Series Wireless Transmitters
  Pad	No
  Low Frequency Roll-Off	No
  Dimensions	0.13" (3.5mm) Diameter
  Weight	0.1g

  Box Dimensions (LxWxH)	6.0 x 4.0 x 0.5"

• SpeechLine Digital Wireless SL Rack Receiver DW-4-US

  Frequency Response	20 Hz to 20 kHz
  Dynamic Range	> 120 dBA
  Total Harmonic Distortion (THD)	Typical 0.1 %
  Sampling Rates	24-bit/48 kHz
  Signal-to-Noise Ratio	> 90 dBA
  Encryption	AES 256
  Frequency Range	USA: 1,920 to 1,930 MHz
  Modulation	GFSK with back channel
  Transmission Method	TDMA, space diversity
  Latency	19 ms
  Relative Humidity	Maximum 95%
  Temperature Range	Operation: 14 to 131°F (-10 to 55°C) Storage: -4 to 158°F (-20 to 70°C)

  RF Sensitivity	< -90 dBm
  RF Output Power	Adaptive, up to 250 mW (country-specific)
  Audio Output Level	XLR Balanced: Maximum -18 dBu, typical -24 dBu RCA Unbalanced: Maximum +6 dBu
  Audio Effects	Low Cut: -3 dB at 120 Hz Equalizer: 7-band graphic equalizer with sound presets Sound Profiles: Female voice, male voice, and instrument/media
  Display	OLED
  Network Protocol	Media Control Protocol, TCP/IP IPv4 (DHCP, manual)/IPv6
  Power Supply	12 VDC
  Current Consumption	350 mA
  Output Connection	1 x 3-pin XLRM 2 x RCA
  Connections	Network: RJ 45 DC Socket for Power Supply: Hollow jack
  Dimensions	Not specified by manufacturer
  Weight	29 oz (828 g)

  Nominal Input Voltage	100 to 240 VAC
  Power Frequency	50 or 60 Hz
  Input Current	Maximum 120 mA
  Power Consumption	Standby: ≤ 0.3 W
  Operating Temperature	14 to 131°F (-10 to 55°C) Storage: -4 to 158°F (-20 to 70°C)
  Humidity (Relative)	95%
  Dimensions	Not specified by manufacturer
  Weight	Approx. 3.5 oz (100 g)

  Box Dimensions (LxWxH)	16.0 x 10.8 x 3.0"

• BA 30 Rechargeable Battery Pack

  Battery Type	Lithium-Ion
  Output Voltage	3.7 V
  Dimensions	Not specified by manufacturer
  Weight	Not specified by manufacturer

  Box Dimensions (LxWxH)	4.05 x 3.55 x 1.25"

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