The Sennheiser Spectera SEK bidirectional bodypack manages both a digital IEM/IFB and a mic/line stream simultaneously over a single RF connection. Featuring full remote control and monitoring capabilities via the Spectera WebUI and SoundBase software, it delivers reliable continuous interference management in demanding live sound environments.

Housed in a rugged metal chassis with a persistent E-Ink display, this unit includes a 3-pin audio input and a high-power headphone amplifier. Secure transmission is guaranteed through advanced AES-256 encryption, providing dependable and confidential audio performance for professional broadcasting and stage applications.

Spectera SEK Wireless Bodypack

Name: Spectera SEK Wireless Bodypack
Brand: Sennheiser
SKU: 509164
Availability: InStock

SKU: 509164

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Brand	Sennheiser
Product Type	Wireless Bodypack Transmitter / Receiver
Housing Material	Metal
Color	Anthracite
Frequency Range	470.000 - 608.000; 630.000 - 698.000 MHz
Audio Frequency Response	20 Hz - 20 kHz (±1 dB)
Dynamic Range	> 112 dB(A)
Gain	-6 to +42 dB, 1 dB steps
Encryption	AES 256 CTR Mode
Sampling Rates	48 kHz & 96 kHz
Microphone Input Connector	3-pin audio socket
Headphone Output Connector	3.5 mm TRS
Antenna Output	Sennheiser Coax, 50 Ω
Audio Output Level	2 x 300 mW RMS (32 Ω, -40 dB THD, 1 kHz)
Low-Cut Filter	20, 30, 60, 80, 100, 120 Hz
Codecs	OPUS
Transmission Method	Multicarrier, TDMA, TDD
Product Dimensions (L x W x H)	83.5 mm x 62 mm x 21 mm
Operating Temperature	-10 °C - +50 °C
Storage Temperature	-25 °C - +70 °C

Each bidirectional Spectera SEK body pack manages both an IEM/IFB and a mic/line stream simultaneously. The units 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).
(1) SPECTERA SEK Bodypack Transmitter

(1) SPECTERA SEK ANTENNA

(1) Beltclip

(1) Quick guide

(1) Safety guide

(1) Manufacturer declaration sheet
597141-SEK_UHF.stp

597143-SEK_UHF_1G4.dxf

SPECTERA_Systems_Rev_1_0-Scenario_2.pdf

SPECTERA_Systems_Rev_1_0-Scenario_3.pdf

SPECTERA_Systems_Rev_1_0-Scenario_1.pdf

SPECTERA_Systems_Rev_1_0-Scenario_4.pdf

SPECTERA_Systems_Rev_1_0_Scenarios_1-8.pdf

SPECTERA_Systems_Rev_1_0-Scenario_6.pdf

SPECTERA_Systems_Rev_1_0-Scenario_5.pdf

SPECTERA_Systems_Rev_1_0-Scenario_7.pdf
Can the Spectera SEK handle microphone and in-ear monitoring signals at the same time?

Yes, each bidirectional Spectera SEK bodypack manages both a digital IEM/IFB stream and a mic/line input signal simultaneously over the same RF carrier.

What type of audio connectors are available on the bodypack?

The bodypack features a 3-pin connector for mic/line input and a 3.5 mm connector for IEM/IFB headphones.

How is the wireless transmission secured?

The transmission uses AES 256 encryption to provide secure, confidential wireless communication between the bodypack and base station.

Does the E-Ink display stay visible when the battery is removed?

Yes, the persistent E-Ink display maintains information, including device naming, on the screen even when batteries are not installed.

Spectera SEK Wireless Bodypack

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