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Description
Sennheiser MEG 14-40-L BSennheiser MEG 14 40 L B Cardioid Gooseneck Microphone (Matte Black) The Sennheiser MEG 14 40 L B (Article Number: 504792) is a premium, professional 40 cm (15. 75 inches) condenser gooseneck microphone engineered for permanent installations and high end speech applications. Designed for lecture halls, corporate boardrooms, video conferencing suites, and legislative chambers, this microphone delivers outstanding speech intelligibility. The " L"
Sennheiser MEG 14-40-L B Cardioid Gooseneck Microphone (Matte Black)
The Sennheiser MEG 14-40-L B (Article Number: 504792) is a premium, professional 40 cm (15.75 inches) condenser gooseneck microphone engineered for permanent installations and high-end speech applications. Designed for lecture halls, corporate boardrooms, video conferencing suites, and legislative chambers, this microphone delivers outstanding speech intelligibility.
The "-L" designation highlights its integrated red LED light ring positioned directly below the capsule to provide immediate visual indication of microphone status. The final "B" suffix references its sleek, reflection-free matte black finish.
Key Acoustic and Engineering Attributes
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Premium Sennheiser KE 10 Capsule: Built around the high-fidelity KE 10 pre-polarized condenser capsule. It ensures smooth, uniform frequency tracking (50 Hz to 20,000 Hz) to reproduce accurate vocal weight and natural articulation.
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Feedback-Defying Cardioid Polar Pattern: Features a tight cardioid pick-up response with a uniform 120-degree acceptance angle. It focuses tightly on the presenter while rejecting off-axis room reflections and ambient background clutter.
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Advanced RF Shielding Matrix: Integrated with proprietary shielding tech that guards the audio stream against radio frequency interference (RFI) and intermodulation caused by smartphones, Wi-Fi routers, and nearby wireless production gear.
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Specialized XLR 5-Pin Architecture: Unlike standard microphones, the base features an XLR 5-Pin Male connector. This design splits the architecture, using pins 1-3 for the balanced audio stream and phantom power, while pins 4-5 route dedicated external DC power to control the red LED ring.
Technical Specifications Matrix
| Feature Parameter | Hardware Specification Profile |
| Model Reference Name | MEG 14-40-L B |
| Official Article Number | 504792 |
| Acoustic Transducer Type | Pre-polarized Electret Condenser (KE 10 Capsule) |
| Pick-up Polar Pattern | Cardioid |
| Audio Frequency Response | 50 Hz to 20,000 Hz |
| Nominal System Impedance | Less than 100 Ohms |
| Maximum Sound Pressure Level (SPL) | 130 dB SPL |
| Equivalent Noise Level | 26 dB (A-weighted) / 37 dB (CCIR-weighted) |
| Microphone Phantom Power Requirements | P12 to P48 V Phantom Power (Draws 3 mA) |
| LED Light Ring Operational Voltage | 9 V to 30 V DC (Draws 18 mA) |
| Status Light Color Indication | Red Glow Ring |
| Base Output Connection Node | XLR 5-Pin Male |
| Gooseneck Structural Length | 450 mm (17.72 inches total length / 400 mm neck) |
| Gooseneck Tube / Head Diameter | Tube: 8 mm (0.31") / Capsule Head: 22.8 mm (0.9") |
| Net Hardware Weight | Approx. 147 grams (5.2 oz) |
In the Box: Component Inventory
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1 x MEG 14-40-L B Gooseneck Microphone (Black with Red Light Ring)
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1 x Quick Start Reference Guide
Integration and Hardware Pinout Wiring Advice
Pin Assignment for the XLR 5-Pin Base: To properly integrate the microphone signal and the active status indicator, note the standard factory pinout matrix:
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Pin 1: Ground / Audio Shield
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Pin 2: Audio Positive (+)
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Pin 3: Audio Negative (-)
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Pin 4: LED Power Input (9–30V DC, any polarity)
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Pin 5: LED Power Input (9–30V DC, any polarity)
Ecosystem Base Compatibility Warning: Because this microphone relies on a 5-pin layout to drive the LED status ring, it cannot be plugged directly into a standard 3-pin XLR wall plate or table stand. To deploy it cleanly on a conference desk, pair it with automated logic tablestands like the Sennheiser MAT 153-S B or the networked SpeechLine SL Tablestand 153-S DW. These bases handle the complex signal routing and logic control necessary to light up the ring whenever the mic becomes active.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy