SENNHEISER Spectera SEK (UHF)
MRP - Rs. 2,25,000
SENNHEISER Spectera SEK (UHF): Wireless Microphone. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Product Features
| On/off switch | Yes |
Product
| Color | Anthracite |
| Gain | -6…+42 dB, 1dB steps |
| Latency (ms) | tbd per ALM |
| Min. channel spacing (kHz) | matches to used bandwidth mode |
| RF sensitivity | tbd per ALM |
Frequency Specifications
| Frequency range | 470.000 - 608.000; 630.000 - 698.000 |
| Audio frequency response | 20 Hz - 20 kHz (±1 dB) |
Acoustic Properties
| Dynamic range (>) | 112 dB(A) |
| Sampling rates | 48 kHz & 96 kHz |
| Audio output level | 2 x 300mW RMS (32 Ω, -40dB THD, 1kHz) |
| Low-cut filter | 20, 30, 60, 80, 100, 120 Hz |
| Line / Mic level | MIC: max 7 Vpp (-94 dB THD, 1kHz) | LINE: max 9 Vpp (-94 dB THD, 1kHz) |
Connectivity
| Connection | Wireless |
| Connectors | 3.5mm TRS, Se3PIN, SeCoax50 |
Inputs/Outputs
| Microphone input - connector | 3-pin audio socket |
| Microphone input - impedance | 22 kΩ |
| Headphone output - power | 2 x 300mW RMS (32 Ω, -40dB THD, 1kHz) |
| Antenna output | Sennheiser Coax, 50 Ω |
Ambient Conditions
| Storage temperature range | -25 °C - +70 °C (-13 °F - 158 °F) (without battery) |
| Storage relative humidity | 25 - 95% (non-condensing) |
| Operating relative humidity (≤ %) | 25 - 95% (non-condensing) |
| Operating temperature (C) | -10 °C - +50 °C (14 °F - 122 °F) |
Electrical Properties
| Transmission power (mA) | up to 50 mW countrywise limited |
Technology
| Encryption | AES 256 CTR Mode exp. >10k years |
| Codecs | OPUS |
| Transmission method | Multicarrier, TDMA, TDD |
Product overview
The SENNHEISER Spectera SEK (UHF) is a wireless microphone from SENNHEISER, part of the Spectera range.
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).
| Audio frequency response | 20 Hz - 20 kHz (±1 dB) |
| Connectors | 3.5mm TRS, Se3PIN, SeCoax50 |
| Gain | -6…+42 dB, 1dB steps |
| Latency (ms) | tbd per ALM |
Key features
- Bidirectional bodypack manages both digital IEM/IFB and mic/line signals simultaneously
- Bidirectional data and audio control in identical RF carrier of all mobile devices
- Available variants: UHF (470–608 MHz and 630–698 MHz) or 1G4 (1350–1400 MHz and 1435–1525 MHz)
- Full remote control and monitoring of SEK bodypack: IEM volume, mic/line gain, RF health, battery status, and more
- Impedance-matching high-power headphone amplifier
- Continuous interference management
- Endless encoder and push button
- 3-pin mic/line input and IEM/IFB 3.5 mm headphone connector
- LED meter, status LED and persistent E-Ink display for “always on” information — name visible on screen even when batteries are removed
- Up to 7 hours of operating time depending on the selected audio link mode and settings with rechargeable lithium-ion battery BA 70 (sold separately)
- Encrypted RF connection between the Base Station and bodypack
- Secure transmission of confidential content using AES 256 encryption
- Versatile charging options also available: L 70 USB, LM 6070 Module for L 6000 full rack charging station and charging contacts for in-device charging with CHG 70N-C
- Compatible with a wide range of Sennheiser lavalier and headset microphones with 3-pin locking connector and in-ear monitors with 3.5 mm connector
- Rugged metal housing
SENNHEISER Spectera SEK (UHF): frequently asked questions
What frequency range does the Spectera SEK (UHF) use?
The official specification lists 470.000 - 608.000; 630.000 - 698.000.
What is the frequency response of the Spectera SEK (UHF)?
20 Hz - 20 kHz (±1 dB).
Which connector does the Spectera SEK (UHF) use?
3.5mm TRS, Se3PIN, SeCoax50.
Where can I buy the SENNHEISER Spectera SEK (UHF) in India?
The SENNHEISER Spectera SEK (UHF) is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Presenters and speakers
Conferences, schools and corporate events.
Setup
- Set the transmitter and the receiver to the same frequency. Frequency range: 470.000 - 608.000; 630.000 - 698.000.
- Connect the receiver output to the mixer or amplifier input.
- Fit the microphone and set the level while the presenter speaks normally.
Workflow 2: Live performance
Singers, musicians and live sound engineers.
Setup
- Charge or fit fresh batteries before the show.
- Check every link on stage before the audience arrives.
- Keep a clear line of sight between transmitters and receiver antennas.
Workflow 3: Places of worship
Churches, temples and other places of worship.
Setup
- Use the Spectera SEK (UHF) for the speaker or leader.
- Check the frequencies and batteries before each service.
Workflow 4: Theatre and stage productions
Theatre and event sound teams.
Setup
- Plan the frequencies for all wireless channels before the show.
- Check battery status during rehearsals.
Workflow 5: Video and broadcast
Video crews and broadcasters.
Setup
- Connect the receiver output to the camera or recorder.
- Monitor the audio on headphones during recording.
Workflow 6: Rental and touring
Rental companies and touring crews.
Setup
- Label each system with its frequency and channel.
- Store transmitters, receivers and accessories in their case after use.
