Description
The SpeechLine Digital Wireless Microphone Set from Sennheiser includes an SL Table Stand 133-S DW, a MEG 14-40 B gooseneck microphone, an SL Rack Receiver DW with power supply, a BA 40 rechargeable battery, and a rackmount kit. Optimized for speech transmission, this flexible wireless set offers speech intelligibility and ease of use for meeting participants, in conference rooms, offices, and huddle rooms.
The table stand features a 3-pin XLR port for connecting to the gooseneck microphone; it connects wirelessly to the receiver and can be charged wirelessly or via included USB cable. The rechargeable battery allows up to 11 hours of operation and an LED provides battery life status. The receiver features a clear visible OLED display for easy setup and operation. The automatic frequency and interference management allows convenient and reliable operation. The microphone set can be controlled and monitored remotely via the Sennheiser Control Cockpit software (available separately).
System
AF Frequency Response
20 Hz to 20 kHz
Dynamic Range
> 120 dB
THD
0.1% at 1 kHz
Audio Sampling
24-bit / 48 kHz
Signal to Noise Rate
> 90 dB
Encryption
AES 256
RF Frequency Range
US: 1920 to 1930 MHz
Modulation
GFSK with back channel
Transmission Method
TDMA, space diversity
Latency
19 ms
Relative Humidity
95% maximum
Operating Temperature
14 to 131°F / -10 to 55 °C
Storage Temperature
-4 to 158°F / -20 to 70°C
Receiver
RF Sensitivity
< -90 dBm
RF Output Channels
Adaptive, up to 250 mW (country-specific)
Audio Output Level
XLR Balanced: Maximum +18 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 media
Display
OLED
Network Protocol
Media Control Protocol, TCP/IP IPv4 (DHCP, manual)/IPv6
Power Supply
12 VDC
Current Consumption
350 mA
Connectors
1 x XLR
2 x RCA
2 x reverse SMA
1 x RJ45
1 x power
Dimensions
8.4 x 1.7 x 6.6″ / 21.2 x 4.3 x 16.8 cm
Weight
29 oz / 828 g
Power Supply
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 Temperature
-4 to 158°F / -20 to 70°C
Relative Humidity
95%
Dimensions
Not specified by manufacturer
Weight
Approx. 3.5 oz / 100 g
Stand
AF Frequency Response
75 Hz to 20 kHz
Max Input
1.7 V RMS
Input Impedance
30 kOhms
Power Supply
BA 40 accupack
Operating Time
Up to 11 hours
Microphone Connector
3-pin XLR
Operating Temperature
50 to 113°F / 10 to 45°C
Relative Humidity
95%
Dimensions
6.6 x 4.7 x 1.9″ / 16.7 x 12.0 x 4.8 cm
Weight
23 oz / 660 g without battery
Battery
Model
BA 40
Capacity
2200 mAh
Output Voltage
3.6 V
Microphone
Pick Up Pattern
Cardioid
Frequency Response
50 Hz to 20 kHz
Acoustic Principle
Gooseneck microphone (condenser)
Output Impedance
< 100 Ohms at 1 kHz
Sensitivity
15 mV/Pa
Maximum Sound Pressure Level (SPL)
130 dB at 1 kHz < 3%
Equivalent Noise Level
37 dB (CCIR)
26 dB (A)
Power Supply
Microphone: 12 to 48 V phantom power
Current Consumption
3 mA
Connector
3-pin XLR
Operating Temperature
32 to 104°F / 0 to 40°C
Storage Temperature
-13 to 158°F / -25 to 70°C
Length
17.7″ / 45.0 cm
Packaging Info
Package Weight
7.65 lb
Box Dimensions (LxWxH)
16 x 13.7 x 3″
