SpeechLine Digital Wireless is Sennheiser’s speech-optimised 1.9 GHz DECT platform, engineered for presentations, conferences and houses of worship, with automatic channel management and licence-exempt operation in the UK. This is the handheld transmitter on its own, intended to add a channel to an existing SpeechLine system or replace a lost unit. Band variant: 1.9 GHz, 1.88 – 1.93 GHz (DECT). Licence-exempt in the UK.
Key Features
Speech-optimised 1.9 GHz DECT wireless, licence-exempt in the UK
Automatic channel management with dynamic frequency selection
Up to 15 compatible channels in one location
AES 256 audio encryption on the digital link
Aimed at presentations, conferences and houses of worship
UK band 1.9 GHz: 1.88 – 1.93 GHz (DECT)
MME 865 capsule: supercardioid condenser vocal capsule head (SpeechLine)
RF output: adaptive, up to 250 mW (country-specific)
Audio frequency response: 50 to 20,000 Hz
Specifications
| General: RF output power | adaptive, up to 250 mW (country-specific) |
| General: AF frequency response | 50 to 20,000 Hz |
| General: Input sensitivity | automatic sensitivity adjustment |
| General: Display | LCD |
| General: Mute switch | available |
| General: Weight (w/o accupack) | approx. 262 g incl. microphone head |
| Power Supply: Accupack | BA 10 (Li-Ion, 3.7 V) |
| Power Supply: Batteries (optional) | 2 x AA size battery (1.5 V) |
| Operating time: Accupack | typ. 15 h |
| Operating time: Batteries (optional) | typ. 10 h |
| Sennheiser part number | 505885 |
| UK band | 1.9 GHz (1.88 – 1.93 GHz (DECT)) |





