Sennheiser SKM 9000 NI A1-A4
SKU: 76262166798

Sennheiser SKM 9000 NI A1-A4

Sale price$28943.25 Regular price$32159.17
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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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  • Delivery to the USA:
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Exchange/Return Notes
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SKU: 76262166798

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