Plus, they allow for full remote control and monitoring, via identical RF connection, of IEM volume, audio level and settings, RF health, battery status, and more via Spectera WebUI and SoundBase software. Variants include UHF (470–608 MHz and 630–698 MHz) or 1G4 (1350–1400 MHz and 1435–1525 MHz).
Specifications
| Product Type | Digital Bidirectional Bodypack Transceiver |
| System | Sennheiser Spectera |
| Article Number | 509164 |
| Frequency Range | 470–608 MHz / 630–698 MHz |
| RF Channel | 1 |
| RF Channel Bandwidth | 6 or 8 MHz |
| Transmission Scheme | Multicarrier, TDMA, TDD |
| RF Transmission Power | Up to 50 mW, country dependent |
| Audio Frequency Response | 20 Hz – 20 kHz (±1 dB) |
| Encryption | AES-256 CTR |
| Audio Links | IEM/IFB + Mic/Line simultaneously |
| Mic Gain | -6 to +42 dB, 1 dB steps |
| Mic Level | Max. 7 Vpp @ 1 kHz |
| Line Level | Max. 9 Vpp @ 1 kHz |
| Low-Cut Filter | Off / 30 / 60 / 80 / 100 / 120 Hz |
| Headphone Output | 3.5 mm TRS |
| Headphone Output Power | 2 × 300 mW RMS @ 32 Ω |
| Microphone / Line Input | 3-Pin Audio Connector |
| Antenna Connector | Sennheiser Coax, 50 Ω |
| Sampling Rates | 48 kHz / 96 kHz |
| Dynamic Range | >112 dB(A) |
| Battery | BA 70 Rechargeable Lithium-Ion Battery |
| Operating Time | Up to 7 h unidirectional / 5 h bidirectional |
| Display | Persistent E-Ink Display |
| Controls | Endless Encoder, Push Button & Power Switch |
| LED Indicators | 5-Segment LED Meter + Status LED |
| Dimensions | Approx. 83 × 62 × 21 mm (without antenna) |
| Weight | Approx. 144 g without battery / 178 g with BA 70 |
| Housing | Metal |
| Operating Temperature | -10°C to +50°C |
| Storage Temperature | -25°C to +70°C |
| Relative Humidity | 25–95%, non-condensing |
| Color | Anthracite |
| In the Box | SPECTERA SEK UHF Bodypack, Antenna, Belt Clip & Documentation |