The world’s first digital wireless microphone exclusively for speech.
No audio know-how is required – it’s already built in.
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EASY
EXPERIENCE SIMPLICITY
Experience superior ease of use.
The best microphone is the one you
don‘t have to think about...
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EASY
EASIEST
SET-UP
Automatic Frequency Management
performs an on-site realtime scan on
startup and finds free frequencies without any need for manual fine tuning.
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EASY
EASIEST
OPERATION
Automatically adjusts volume levels to ensure superior
audio clarity. Automatic Audio Level Management
adjusts gain levels and sensitivity to always ensure
the best signal-to-noise ratio. Distortion is a thing of
the past.
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EASIEST SYSTEM
EASY
MANAGEMENT
App-based remote monitoring and maintenance. Easy monitoring and
operation via the Wireless System Remote App for iOS or Android.
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RELIABLE
TRUST RELIABILITY
SpeechLine Digital Wireless is a professional
solution for speeches and lectures. It offers
the greatest reliability and helps prevent
potential presentation pitfalls.
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RELIABLE
AUTOMATIC
INTERFERENCE
MANAGEMENT
Digital transmission is the technological basis for effective Automatic
Interference Management. SpeechLine Digital Wireless will seamlessly
switch to a free channel in the event of frequency disturbances.
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RELIABLE
OPTIMUM SPEECH
INTELLIGIBILITY
Audio presets for male/female voices, and preconfigured sound profiles for
dedicated settings.
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RELIABLE
CONVENIENT
RECHARGING
Powerful Li-Ion technology: Outstanding battery life up to 15 h.
SpeechLine Digital Wireless comes with USB charging and
state-of-the-art power management with runtime prediction.
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FUTURE-PROOF
SEAMLESSLY INTO
THE FUTURE
The professional wireless microphone
system for tomorrow and today.
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ADVANCED
256-BIT AES
FUTURE-PROOF
ENCRYPTION
The strongest encryption algorithm for secure wireless
transmission. Keep it confidential: A unique encryption
key will be generated individually whenever a microphone
is connected to the receiver.
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FUTURE-PROOF
LICENSE-FREE
License-free operation, no registration required. No license fees
and free operation within the 1.9 GHz range. Plus: This frequency
band is far less busy than other frequencies, e.g. Wifi.
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FUTURE-
FUTURE-PROOF
PROOF
1.9 GHZ
A smart investment in a future-proof
frequency range. The 1.9 GHz frequency
band is not affected by legislative changes.
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SpeechLine Digital Wireless
ALL FEATURES AT A GLANCE
AUTOMATIC FREQUENCY MANAGEMENT
No frequency planning or manual fine tuning required
due to Auto Frequency Management.
AUTOMATIC AUDIO LEVEL MANAGEMENT
Adjusts gain levels and sensitivity fully automatically
and always guarantees superior audio clarity.
REMOTE APP
Easy monitoring and operation via the Wireless System
Remote App for iOS or Android.
CONVENIENT RECHARGING
Powerful Li-Ion technology:
Outstanding battery life up to 15 h.
LICENSE-FREE
License-free operation, no registration required.
FUTURE-PROOF 1.9 GHZ
A smart investment in a future-proof frequency range.
OPTIMUM SPEECH INTELLIGIBILITY
Audio presets for male/female voices, and preconfigured
sound profiles for dedicated settings.
AUTOMATIC INTERFERENCE MANAGEMENT
Actively avoids wireless transmission disturbances
by quickly switching to a free frequency.
ADVANCED 256-BIT AES ENCRYPTION
The strongest encryption algorithm for secure
wireless transmission.
MULTICHANNEL OPERATION
Up to 20 RF channels per range (dependant on
local regulations).
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SpeechLine Digital Wireless
COMPONENTS
SL WSR APP
Remote control of SpeechLine
Digital Wireless via App.
SL RACK RECEIVER DW
Reliable core –
The heart of the system
SL CHG 2
Two bay charger
SL HEADMIC 1
Nearly invisible and
easy-to-wear microphone.
SL BODYPACK DW
Intuitive handling,
perfect transmission.
for SpeechLine DW.
SL HANDHELD DW
Your mobile speech emphasizer.
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SYSTEM
AF frequency response20 to 20,000 Hz
Dynamic range> 120 dB (A)
THD (1 kHz)typ. 0.1 %
Audio sampling24 bit/48 kHz
Signal-to-noise ratio> 90 dB (A)
EncryptionAES 256
RF frequency rangesEU: 1,880 to 1,900 MHz
USA: 1,920 to 1,930 MHz
Brazil: 1,910 to 1,920 MHz
Taiwan: 1,880 to 1,895 MHz
Japan: 1,893 to 1,906 MHz
ModulationGFSK with back channel
Transmission methodTDMA
space diversity
Latency19 ms
Temperature range*
Operation:
Storage:
* The temperature range is influenced by the battery characteristics
relative air humidity max. 95 %
–10 °C to +55 °C
–20 °C to +70 °C
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SL HANDHELD DW
RF output poweradaptive, up to 250 mW
(country-specific)
AF frequency response50 to 20,000 Hz
Input sensitivityautomatic sensitivity adjustment
Power supply
Accupack
Batteries*
Operating time
Accupack
Batteries*
DisplayLCD
Mute switchavailable
Weight (w/o accupack)approx. 262 g incl. microphone head