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Spectera SEK (1G4)

Article No. 509163

Each bidirectional Spectera SEK body pack 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. Variants include UHF (470–608 MHz and 630–698 MHz) or 1G4 (1350–1400 MHz and 1435–1525 MHz).

Spectera SEK body packs feature an impedance matching high-power headphone amplifier and offer up to seven hours of operating time depending on the selected Audio Link mode and settings with rechargeable lithium-ion battery BA 70.

Features¹⁵

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

Top Specs

ColorAnthracite
Latency (ms)tbd per ALM

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Tech Specs

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
Warranty AMER (years)
2

Frequency Specifications

Audio frequency response
20 Hz - 20 kHz (±1 dB)

Acoustic Properties

Audio output level
2 x 400mW RMS (16 Ω, -40dB THD, 1kHz)
Dynamic range (>)
112 dB(A)
Line / Mic level
MIC: max 7 Vpp (-30 dB THD+N, 1kHz) | LINE: max 9 Vpp (-30 dB THD+N, 1kHz)
Low-cut filter
20, 30, 60, 80, 100, 120 Hz
Sampling rates
48 kHz | 96 kHz

Connectivity