The SL Boundary 114-S DW is part of the SpeechLine Digital Wireless product family and dedicated to speech. It is optimized for speech transmission in conference rooms. Being independent from any cables, the SL Boundary 114-S DW offers highly flexible application possibilities for users. Featuring inductive charging the SL Boundary 114-S DW can either be charged wirelessly or via USB. The wireless power transmitter CHG 2W for two mobile devices is available separately. The SL Boundary 114-S DW provides clear battery life indication via dedicated battery status LEDs. The SL Boundary 114-S DW is also compatible with the SL Rack Receiver DW and can be monitored and controlled remotely with the Sennheiser Control Cockpit.

Specifications  

Product Type	Digital Wireless Boundary Microphone
System	SpeechLine Digital Wireless
Transducer Type	Condenser
Pickup Pattern	Cardioid / Half-Cardioid
Audio Frequency Response	40 Hz – 20 kHz
RF Frequency Range	1,880 – 1,900 MHz
Dynamic Range	<110 dB(A)
Signal-to-Noise Ratio	>90 dB(A)
THD	Typ. 0.1%
Audio Sampling	24-bit / 48 kHz
Microphone Sensitivity	10 mV/Pa
Transmission Method	TDMA, Space Diversity
Modulation	GFSK with Back Channel
Encryption	AES 256
Latency	19 ms
Connection	Wireless
Battery	BA 40 Rechargeable Li-Ion
Battery Voltage	3.6 V
Battery Capacity	2.2 Ah
Battery Operating Time	Approx. 12 hours
Charging	Wireless Inductive / USB
Microphone Button	PTT / PTM / Toggle ON/OFF / Permanent ON
Status Indicator	2-Color LED Ring
Remote Control	Sennheiser Control Cockpit
Operating Temperature	0°C to +45°C
Relative Humidity	Max. 95%
Dimensions	114 × 85 × 30.8 mm
Weight	Approx. 208 g
Color	Black