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 set ships as a complete vocal radio mic system with handheld transmitter, rack receiver, PSU and rackmount hardware. 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)
✓e865 capsule: supercardioid condenser vocal capsule with extended top end
✓Audio frequency response: 20 to 20,000 Hz
Specifications
| General: AF frequency response | 20 to 20,000 Hz |
| General: Dynamic range | > 120 dB (A) |
| General: THD (1 kHz ) | typ. 0.1 % |
| General: Audio sampling | 24 bit/48 kHz |
| General: Signal-to-noise ratio | > 90 dB (A) |
| General: Encryption | AES 256 |
| General: Modulation | GFSK with back channel |
| General: Transmission method | TDMA | Space diversity |
| General: Latency | 19 ms |
| Temperature range – relative air humidity max. 95 %: Operation | -10 °C to +55 °C |
| Temperature range – relative air humidity max. 95 %: Storage | -20 °C to +70 °C |
| Temperature range – relative air humidity max. 95 % | Temperature range is influenced by battery characteristics. |
| RF frequency ranges:: EU | 1,880 to 1,900 MHz |
| RF frequency ranges:: USA | 1,920 to 1,930 MHz |
| RF frequency ranges:: Brazil | 1,910 to 1,920 MHz |
| RF frequency ranges:: Taiwan | 1,880 to 1,895 MHz |
| RF frequency ranges:: Japan | 1,893 to 1,906 MHz |
| Sennheiser part number | 505895 |
| UK band | 1.9 GHz (1.88 – 1.93 GHz (DECT)) |
