Skip to product information
1 of 6

Join us for a Live Demo at SALT 2026! | Wed, Oct 14 - Fri, Oct 16

Sennheiser Spectera SEK (UHF) Wireless Bodypack Transmitter/Receiver

Sennheiser Spectera SEK (UHF) Wireless Bodypack Transmitter/Receiver

SoundPro Item: 151165 | Part Number: 509164

Regular price $1,999.00
Regular price $2,349.00 Sale price $1,999.00
Your Price Sold out
MSRP: $2,349.00 | MAP: $1,999.00

In stock and ready to ship

  • 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 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

Each bidirectional Spectera SEK bodypack manages both an IEM/IFB and a mic/line stream simultaneously. 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 LinkDesk software. 

View full details

Specifications

Dimensions
Dimensions
approx. 83.5 x 62 x 21 mm (3.39" x 2.44" x 0.83") (without antenna)
Electrical
Battery Operating Time
up to 7 h (unidirectional microphone use)up to 6 h (unidirectional IEM use)up to 5 h (bidirectional use)
Audio
Audio Frequency Response
20 Hz to 20,000 Hz (±1 dB) (Audio link modes with audio codecs SeDAC and PCM only)
Headphone Output
3.5 mm TRS jack2 x 300 mW RMS (32 Ω, -40 dB THD, 1 kHz)
Connectivity
Microphone / Instrument / Command Input
3-pin audio socket
General
Transmission Scheme
Multicarrier, TDMA, TDD
RF Channel
Bandwidth: 6 or 8 MHz countrywise limitedMobiles devices: up to 128 per RF channelAudio links: up to 128 per RF channel
Radio Frequency Range
UHF: 470 - 608 MHz, 630 - 698 MHz1G4: 1350 - 1400 MHz, 1435 - 1525 MHzcountrywise limited
RF Transmission Power
up to 50 mW; countrywise limited
RF Channels
1
Power Supply
BA 70 rechargeable battery pack
Radio
Encryption
AES 256 CTR Mode exp. >10k years

Why Choose SoundPro?

Since 1972, SoundPro has been the trusted source for audio, video, and lighting gear. Whether you're starting your AVL journey or are a seasoned professional, we're here to help you every step of the way.

  • Certified Account Managers

    Our Account Managers, with 16+ industry certifications, are ready to find your solution.

  • Personalized Pricing

    We know every project is unique. Get a personalized quote anytime you need it

  • Fast Shipping & Local Pickup

    In stock items ship same day if ordered by 4pm CST. Pickup offered in Irving, TX.

  • Accountability from Real People

    We aim for a smooth, transparent experience by setting and sticking to clear expectations.

  • Easy Payments & Financing

    We accept all major credit cards and also offer financing through our partners.

1 of 2