Home / Neumann 503908 Adjustable Ceiling Drop Adapter LH 46 Mounting hardware to vertically position a loudspeaker suspended off a ceiling.
Telescopic Precision for Professional Environments
In modern studio design—particularly for Dolby Atmos® and immersive configurations—the ability to precisely control the vertical position of overhead speakers is critical. The LH 46 provides an industrial-strength solution for suspending loudspeakers at varying heights. Its telescopic tube design allows engineers to drop monitors far below the ceiling surface, bypassing HVAC ducts or structural obstacles to achieve a clear line of sight and sound. Finished in scratch-resistant Black (RAL 9005), it offers a clean, professional look while maintaining the absolute mechanical stability required for high-precision monitoring.
Heavy-Duty Suspension & Safety:
The LH 46 is engineered for maximum security. With a load rating of 60 kg (132.3 lbs), it can safely support any monitor in the Neumann KH range, including the flagship midfield KH 420. The system features a secure locking ring and dedicated Allen head bolts to ensure the telescopic tube remains fixed at the desired length, even under the constant vibration of high-SPL monitoring.
Modular Mounting Integration:
The LH 46 is designed to be the "trunk" of your mounting system. Its standardized mounting cylinder and plate allow for seamless connection with other Neumann hardware to complete the installation:
For KH 80 / 120 / 150: Use with the LH 47 Adapter Plate and appropriate brackets.
For KH 310: Pair with the LH 25 Mounting Bracket.
For KH 420: Use with the LH 41 Base Plate and LH 36 Tilting Adapter for gravity-centered aiming.
Pro-Grade Design & Cable Management:
This adapter is more than just a bracket; it’s a pro-grade tool designed for a tidy workspace. The hollow telescopic tube allows for clean cable management, keeping power and signal lines hidden and protected. The ceiling mounting plate is wide (250 mm) to effectively distribute weight across structural surfaces, ensuring a stable, long-lasting installation in any professional facility.
Adjustable Telescopic Range: Height adjustment from 768 mm to 1218 mm (approx. 30" to 48").
Massive Load Capacity: Safely supports up to 60 kg (132.3 lbs).
Industrial Build: Sturdy steel construction with a professional RAL 9005 black finish.
Integrated Safety: Features a locking ring and secure hex-head bolt system to prevent accidental drops.
Modular Versatility: Compatible with a wide range of Neumann mounting adapters and brackets.
Professional Aesthetics: Enables a clean, uncluttered studio environment with overhead suspension.
| Feature | Details |
| Model Name | LH 46 |
| Product Number | 503908 |
| Adjustment Height | 768 – 1218 mm (30 1/4" – 48") |
| Plate Dimensions | 250 x 250 mm (9 7/8" x 9 7/8") |
| Maximum Load | 60 kg (132.3 lbs) |
| Weight | 6.8 kg (15 lbs) |
| Color | Black (RAL 9005) |
| Material | High-Grade Steel |
| Included Hardware | Mounting Plate, Telescopic Tube, Locking Ring, M8 Bolts, Allen Keys |
Active Monitors: KH 80 DSP, KH 120 II, KH 150, KH 310, KH 420.
Legacy Models: O 110, O 300, O 410, O 500 C.
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