SKU: 94095776662

Sennheiser SK 9000 B1-B4 Bodypack transmitter, digital, HD and LR mode, 3-pin SE socket, 630-718 MHz

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Description

Sennheiser SK 9000 B1-B4 Bodypack transmitter, digital, HD and LR mode, 3-pin SE socket, 630-718 MHzSennheiser SK 9000 B1 B4 Digital Wireless Bodypack Transmitter The Sennheiser SK 9000 B1 B4 is a flagship, ultra high end digital wireless pocket transmitter engineered exclusively for Sennheiser's legendary Digital 9000 broadcast and touring platform. Housed in a lightweight, magnesium alloy chassis, this bodypack is designed to deliver uncompromised audio purity, absolute spectral efficiency, and rock solid RF performance for major broadcast events,

Sennheiser SK 9000 B1-B4 Digital Wireless Bodypack Transmitter

The Sennheiser SK 9000 B1-B4 is a flagship, ultra-high-end digital wireless pocket transmitter engineered exclusively for Sennheiser's legendary Digital 9000 broadcast and touring platform. Housed in a lightweight, magnesium-alloy chassis, this bodypack is designed to deliver uncompromised audio purity, absolute spectral efficiency, and rock-solid RF performance for major broadcast events, elite musical theater productions, and high-profile international live tours.

This specific variant operates in the B1-B4 frequency band (630.000 MHz to 718.000 MHz). Boasting an agile 88 MHz switching bandwidth, it features advanced, completely intermodulation-free digital transmission technology that permits massive multi-channel counts to co-exist in highly congested RF environments.

Key Performance and Digital Transmission Attributes

  • Intermodulation-Free Linear Architecture: The SK 9000 operates linearly without creating intermodulation distortion. This permits an equidistant channel frequency grid, allowing sound engineers to line up frequencies at fixed, narrow intervals without executing complex intermodulation math or worrying about ghost frequencies.

  • Dual Transmission Modes (HD and LR): * High Definition (HD) Mode: Transmits uncompressed, completely artifact-free digital audio. It mirrors a top-tier studio cable connection with absolute dynamic fidelity, making it ideal for critical acoustic instrumentation and elite vocal applications.

    • Long Range (LR) Mode: Employs a robust, proprietary Sennheiser audio codec with advanced error correction to maximize transmission distance and cross heavy structural obstacles on massive festival stages, ensuring dropout-free performance.

  • Moisture-Resistant 3-Pin SE Socket: Outfitted with a specialized, gold-plated 3-pin special connector (LEMO style) that features a secure push-pull locking ring and internal sealing gaskets to prevent sweat, rain, or humidity from shorting out the microphone contacts mid-show.

  • Hardware AES 256 Encryption: Integrated with military-grade AES 256 digital encryption, rendering the RF signal un-scannable and completely private for corporate boardrooms, government installations, and high-security live broadcasts.

Technical Specifications Matrix

Feature Parameter Hardware Specification Profile
Model Reference Name SK 9000 B1-B4
RF Operational Band B1-B4 Block (630.000 MHz to 718.000 MHz)
Switching Tuning Bandwidth 88 MHz available across the B-band spectrum
Digital Transmission Modes High Definition (HD) Mode / Long Range (LR) Mode
System Audio Frequency Response HD Mode: 30 Hz to 20,000 Hz / LR Mode: 30 Hz to 20,000 Hz
System Dynamic Range HD Mode: 112 dBA / LR Mode: 104 dBA
Total Harmonic Distortion (THD) Less than 0.03% (at 1 kHz)
Audio Input Interface Node 3-pin Moisture-Resistant Locking Socket (Special SE LEMO Pin Out)
Audio Gain Adjustment Scale 0 dB to +62 dB (adjustable in highly precise 3 dB steps)
Integrated Low-Cut Filter Flat / Switchable: 30 Hz, 60 Hz, 80 Hz, 100 Hz, 120 Hz
RF Output Power HD Mode: 10 mW RMS / LR Mode: 25 mW RMS
Power Solution (Transmitter) Optional BA 61 Li-ion Accupack (6.5 hrs) or B 61 Dry Battery Case (3 x AA)
Physical Housing Profile Lightweight, high-impact Magnesium Alloy composite
Net Operational Weight Approx. 147 grams (including battery pack assembly)

In the Box: Component Inventory

  • 1 x SK 9000 Digital Bodypack Transmitter (Black, B1-B4 Band)

  • 1 x Heavy-Duty Belt Clip

  • 1 x Removable Flexible Whip Antenna (Tuned for the B1-B4 range)

  • 1 x Quick Start Reference Manual

  • 1 x Safety Instructions Guide

  • (Note: Battery packs and microphone capsules are sold separately)

System Deployment and Hardware Interfacing Advice

Locking the 3-Pin LEMO Audio Interface: The SK 9000 uses a premium, moisture-resistant 3-pin connector. It pairs seamlessly with high-tier lavalier microphones (such as the MKE 1, MKE 2, MKE 40) and specialized headworn boom mics (like the SL Headmic 1 or HSP series). Ensure that you push the micro-connector into the socket until the outer collar locks with a distinct physical click. Always pull directly on the knurled metal collar to disconnect—never yank on the flexible microphone wire.

Battery Architecture Warning: To maintain low operational costs and stable weight balance, the SK 9000 does not bundle power elements out of the box. You must provision either a BA 61 rechargeable lithium-ion battery pack (delivering roughly 6.5 hours of continuous transmission tracking) or a B 61 dry battery case configured to host three standard AA batteries. Ensure that you monitor real-time battery telemetry via the backlit LCD screen or remotely inside your EM 9046 receiver channel layout.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 94095776662

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M. Heiss
Boise, US
★★★★★ 4
This one's in color
Format: Paperback
This book was glorious. It presented the invasion vividly. The Allied forces sure kicked Rommel's butt, and although the American forces had many casualties, the Germans were defeated. After the Allies liberated France, people revealed hidden Tri-Color French flags. I was interested to learn about the problem of French hedgerows and how an American sargent (Curtis Cullin) improvised a brush-cutter out of the beach barricades in order to leave the tanks less vulnerable as they crossed the fields. Thank you Curtis! The book also talked about a German tank commander named Michael Wittmann and his Tiger tank. This was a powerful weapon that destroyed a group of Shermans very quickly and then took out part of a convoy. The allies finished him off by using British Fireflies (a British type of tank) that sent a disabling shot into the tank. Michael Wittman and his crew escaped. There was good tank action in this book. It feels like you're stuck in the middle of battle, but you're safe. But you're watching in horror. The drawings of the Avro Lancasters were really great. That's my favorite British plane. The air war made the difference in the invasion's success. If it weren't for the RAF and the Allied air forces, the invasion might not have succeeded. I'm eleven years old, and this is a really good book. I learned a lot. This book had really good maps, and it was in color. That helped me a lot. The blood was not too bloody -- just scribbles. Parent note: my son says blood and guts included.
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Reviewed in the United States on February 6, 2014
R
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Roger O. Thornhill
New York, US
★★★★★ 5
Great read for a WWII enthusiast
Format: Paperback
Purchased for my nephew who is 11 and a WWII aficionado, "Bombing Nazi Germany" and "Normandy" did not disappoint. While I got him the graphic novels because he is a visual kid, he really enjoyed the text. Which is good because there is a lot of text. I am an avid reader of graphic novels and found these books to be more text-driven than much of what I've read. That said, the prose is solid, unadorned, and moves the narrative smoothly from pane to pane. I recommend this for anyone fascinated by war histories who also values detailed illustrations of the same.
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Reviewed in the United States on November 18, 2014
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S. Connelly
Lexington, US
★★★★★ 5
I wish my Dad had lived long enough to have this given to him!
Format: Paperback
As I said for Mr. Vansant's Gettysburg graphic novel, this is perhaps the best visual description of all of the planning, logistics, and follow-up battles that gave the Allies their second front, and began the march to Berlin, and the eventual downfall of Hitler's Thousand Year Plan. I have studied War History for as long as I can remember - focusing mostly of the American Civil War, World War 2, and Vietnam; three of the United States' greatest turning points in warfare - but my Dad and I shared a huge interest in WW2, watching as many documentaries on it as we could. What most people do not know about the importance of the war is that it is one of the few times that most of the world was not only involved either directly or indirectly, but also it is one that everyone - and I mean everyone, from the footsoldiers, leaders, and civilians - knew exactly why and what they were fighting for. While it seems odd to refer to events so brutal as noble, that is the best way to describe World War 2, since most of the world was involved in it, and why.
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Reviewed in the United States on December 7, 2015
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RS
Natrona Heights, US
★★★★★ 5
10-year-old grandson loves this book
Format: Paperback
I bought this for my grandson who is very interested in World War II. He has just turned 10. He loves the book. It seems to be the perfect balance between text and pictures. He will learn about the experiences of his great grandparents while learning to read at the same time.
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Reviewed in the United States on August 16, 2020
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WiltDurkey
Belleville, US
★★★★★ 5
A+
Thought it did a really good job framing the big picture, as well as showing some of the nitty gritty details of the fighting that took place. Even though I thought I already knew a lot about D-Day, I still learned some things along the way. Note: although I do most of my reading on my Kindle Paperwhite, I read this on my iPad Kindle app instead. I don't expect the graphics to come off too well on a non-tablet Kindle so did not even download it there.
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Reviewed in the United States on July 10, 2016

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