SKU: 76262166798

Sennheiser SKM 9000 NI A1-A4

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Description

Sennheiser SKM 9000 NI A1-A4Sennheiser SKM 9000 NI A1 A4 Digital Handheld Wireless Transmitter (Nickel) The Sennheiser SKM 9000 NI A1 A4 (Article Number: 504726 Command Variant: 504722) is a flagship, elite tier digital handheld wireless microphone transmitter from Sennheisers reference Digital 9000 platform. Built without compromise for international music tours, high profile broadcast television networks, and premium live performances, this modular "body only" transmitter

Sennheiser SKM 9000 NI A1-A4 Digital Handheld Wireless Transmitter (Nickel)

The Sennheiser SKM 9000 NI A1-A4 (Article Number: 504726 / Command Variant: 504722) is a flagship, elite-tier digital handheld wireless microphone transmitter from Sennheiser’s reference Digital 9000 platform. Built without compromise for international music tours, high-profile broadcast television networks, and premium live performances, this modular "body-only" transmitter achieves completely uncompressed, artifact-free wireless audio transmission that mirrors a high-end studio cable connection.

The "NI" designation highlights its premium, reflection-free Brushed Nickel finish. This specific variant operates within the low-UHF A1-A4 frequency band (470.000 MHz to 558.000 MHz) with an agile 88 MHz tuning bandwidth.

Key Acoustic and Digital RF Attributes

  • Uncompressed HD Digital Transmission: Unlike traditional wireless systems that employ standard analog compandors to crush dynamics, High Definition (HD) Mode bypasses all companding algorithms to transmit completely raw, 24-bit digital audio. This preserves absolute dynamic transparency and linear high-frequency tracking.

  • Linear Intermodulation-Free Equidistant Grid: The SKM 9000 handles internal RF amplification linearly, generating zero intermodulation distortion. This allows multi-channel setups to be laid out on an equidistant frequency grid (spaced at uniform 600 kHz intervals). Operators can drop channels right next to each other in crowded spectrum windows without complex math or ghost frequencies.

  • Broad Modular Capsule Compatibility: Features a premium, universal microphone head interface node. It is fully compatible with specialized Digital 9000 dynamic/condenser capsules (such as the MD 9235, ME 9002, or ME 9004), legacy evolution wireless (G3/G4) and 2000 series heads, and high-end studio options like the Neumann KK 204 and KK 205 condenser heads.

  • Integrated Infrared Setup Link: Outfitted with an integrated IR window inside the lower chassis ring. It can execute immediate automatic configuration, gain calibration, and master frequency sync with the EM 9046 multi-channel receiver in seconds.

Technical Specifications Matrix

Feature Parameter Hardware Specification Profile
Model Reference Name SKM 9000 NI A1-A4
Official Article Number 504726 (Standard Version) / 504722 (COM Version with Command Switch)
RF Operational Band A1-A4 Block (470.000 MHz to 558.000 MHz)
Switching Tuning Bandwidth 88 MHz available (Tunable in ultra-fine 25 kHz increments)
Digital Transmission Modes High Definition (HD) Mode / Long Range (LR) Mode
System Audio Frequency Response 80 Hz to 20,000 Hz (Flat tracking down to 3 dB)
Audio Gain Adjustment Scale 0 dB to +62 dB (adjustable in highly precise 3 dB steps)
Integrated Low-Cut Filter Switchable: Flat, 60 Hz, 80 Hz, 100 Hz, 120 Hz
RF Output Transmission Power HD Mode: 10 mW RMS / LR Mode: 25 mW RMS
Power Solution (Transmitter) Optional BA 60 Li-ion Accupack (5.5 hrs) or B 60 Dry Battery Case (2 x AA)
Physical Dimensions Array 270 mm (Length) x 40 mm (Diameter)
Hardware Casing Finish Premium Brushed Nickel Coating
Net Operational Weight Approx. 350 grams (including BA 60 pack and standard capsule)

In the Box: Production Package Inventory

  • 1 x SKM 9000 Handheld Transmitter (Brushed Nickel, A1-A4 Band)

  • 1 x MZQ 9000 Heavy-Duty Microphone Stand Clip

  • 1 x Instruction Manual

  • 1 x Frequency Allocation Chart

  • (Note: Microphone capsule and power packs are sold separately to meet user preference)

Production Deployment and Modular Fitting Advice

System Architecture and Capsule Selection: Remember that the SKM 9000 is a modular component and cannot function on its own. It requires a compatible Digital 9000 or Digital 6000 series receiver and a screw-on microphone capsule head. When threading a capsule onto the nickel handle, ensure the concentric contact rings are completely free of dust or oils. Spin the capsule down smoothly hand-tight until it stops; never use tools to over-torque the head.

Managing Power Options on Stage: To keep active stage tracking seamless, the SKM 9000 requires either the BA 60 rechargeable lithium-ion battery pack (offering 5.5 hours of uncompressed transmission runtime) or the B 60 adapter frame for standard AA batteries. Monitor real-time telemetry on the receiver rack face or the transmitter's backlit display. If you notice severe voltage drop warning bars when using AA alkaline cells, prioritize a hot-swap before the 4-hour mark to maintain stable signal output.

Shipping Notes
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SKU: 76262166798

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Jean
Los Angeles, US
★★★★★ 5
Cute. Sturdy.
Color: Wooden, Size: Medium, Color: Wooden, Size: Medium
The wood was light but when I anchored them into the wall and they were very sturdy. Looked very cute on the wall. Affordable and easy to install if you’re handy.
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Reviewed in the United States on May 27, 2026
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Megan Lewter
Phoenix, US
★★★★★ 4
Great besides the finish
Color: Wooden, Size: Medium
These are great. Only thing I wish it would’ve mentioned is they aren’t finished and can give you splinters unlike other shelves. But otherwise, they work for what they needed for, looks great, and easy to assemble for the price. They seem sturdy, but I don’t have much weight on it. Just something to keep from the kiddo
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Reviewed in the United States on January 4, 2026
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Tyler & Brook'lyn Lewis
Carnegie, US
★★★★★ 5
Small shelves, great value
Color: Wooden, Size: Medium
These shelves were great for an area out of the way, would not be perfect for everyone. Super sturdy and easy to install however the wood seems untreated and still a bit rough. The brackets don’t blend well and seem a bit out of place but these small and light shelves have been great at holding small items. I might not trust them with anything too heavy but they have held anything I tried. Only complaint is that they are a bit on the small side as far as depth goes. Other than that, they are awesome. If the brackets looked more sleek and the wood was stained it would be perfect for anywhere.
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Reviewed in the United States on October 22, 2024
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Natasha Hill
Draper, US
★★★★★ 5
Great Shelves!
Color: Brown, Size: Large
These are great shelves! Easy to install and very nice looking and very sturdy. I was well pleased with these!
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Reviewed in the United States on March 19, 2026
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PocketKitty
Carnegie, US
★★★★★ 5
Great shelves that look cute and are affordable!
Color: Wooden, Size: Medium, Color: Wooden, Size: Medium
These worked perfectly for what I needed them for. I make plushies and needed a way to store and show off the pieces I plan to keep. They were very easy to put together and hang. I did use a laser to make sure everything was nice and straight and also measuring tape to make sure they were evenly placed. Other than that it comes with everything you need to put them together, like a screwdriver. I found the screwdriver to be kind of bad because the tip of it was too soft and after like 8 screws, the tip had no more edges and would just spin. It stripped itself. But that’s okay, I had my own screwdriver. So if you buy these, make sure you have one or else be very careful with the one they give you. Other than that, they are super affordable, cute, easy to hang and look good. In the pictures I added, I am still in the process of organizing the plushies so they do look a little cramped and messy. I figured I would still add them so you get an idea of how they look. I think they look pretty nice and would look even better if I organized my plushies better lol. I def recommend these shelves and I hope this review helps you! :)
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Reviewed in the United States on March 20, 2025

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