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Description
The 4266 Omnidirectional Headset Microphone combines the legendary sound of the 4066 Omnidirectional Capsule with a lightweight and flexible headset system. This condenser headset mic is easy and fast to adjust, and it offers clean and transparent sound quality with lots of headroom. The capsule itself is the same type as the 4066 but is attached to an interchangeable boom arm.
Like all the microphones in the range, the 4266 Omnidirectional Headset Microphone offers accurate, natural voice intelligibility and very high SPL capabilities. Users can both speak and sing into the mic with no hint of distortion.
The headset sits securely around the head and are ideal for active performance situations where the person wearing the headset won’t feel the presence of the microphone. It is ergonomically designed to fit comfortably and easily. This mic adjusts to fit any ear size and head shape while at the same time it mounts securely and is hardly visible. By rotating the boom and the ear hook, the microphone can be easily used on either the left or the right ear. The connector splits the cable from the microphone boom allowing you to swap broken cables and/or wireless connectors quickly.
FEATURES:
- Pristine audio quality
- Lightweight and flexible
- Easy mounting to the left or right
- Minimal visual impact
- Resistant to humidity
- Flexible adapter system fits most professional wireless systems
Specifications
Acoustic Characteristics
- Directional pattern: Omnidirectional
- Principle of operation: Pressure
- Cartridge type: Pre-polarized condenser
Frequency Response
- Overall frequency response: 20 Hz – 20 kHz
- Effective frequency range (±2 dB):
- Soft boost grid: 40 Hz – 20 kHz
- 3 dB soft boost at 8 – 20 kHz
- High boost grid: 40 Hz – 20 kHz
- 10 dB boost at 12 kHz
Sensitivity & Noise
- Sensitivity (nominal, ±3 dB at 1 kHz):
- 6 mV/Pa
- –44 dB re. 1 V/Pa
- Equivalent noise level (A-weighted):
- Typical: 26 dB(A) re. 20 µPa
- Maximum: 28 dB(A)
- Equivalent noise level (ITU-R BS.468-4):
- Typical: 38 dB
- Maximum: 40 dB
Sound Pressure Level & Distortion
- Distortion (THD < 0.5%):
- 133 dB SPL RMS
- 136 dB SPL peak
- Distortion (THD < 1%):
- 136 dB SPL RMS
- 139 dB SPL peak
- Maximum SPL (THD 10%): 144 dB SPL peak
- Dynamic range: Typical 111 dB
Electrical Characteristics
- Rated output impedance:
- From MicroDot: 30 – 40 Ω
- From DAD6001-BC: 100 Ω
- Output balance principle:
- Signal balanced with DAD6001-BC XLR adapter
- Common Mode Rejection Ratio (CMRR):
- 60 dB from 50 Hz to 15 kHz with DAD6001-BC XLR adapter
Cable & Connectivity
- Cable drive capability:
- Up to 300 m (984 ft) with DAD6001-BC XLR adapter
- Connector options:
- MicroLock
- MicroDot
- TA4F Mini-XLR
- 3-pin LEMO
- Mini-Jack
Power Requirements
- Power supply (for full performance):
- Wireless systems: Min. 5 V – Max. 10 V through DPA adapter
- With DAD6001-BC: P48 Phantom Power (operates from 12 V)
- Current consumption:
- Typical: 1.5 mA (microphone only)
- 3.5 mA with DAD6001-BC XLR adapter
Physical Specifications
- Weight: 10 g (0.35 oz) — single ear
- Microphone diameter: 5.4 mm (0.21 in)
- Microphone length: 12.7 mm (0.5 in)
- Cable length: 1.25 m (4.1 ft)
- Cable diameter: 1.6 mm (0.06 in)
Environmental Specifications
- Temperature range: –40 °C to 45 °C (–40 °F to 113 °F)
- Relative humidity: Up to 90% RH
Additional Information
- Polarity:
- Positive sound pressure produces positive-going voltage at MicroLock pin
- Also applies to pin 2 on DAD6001-BC XLR adapter
- Available colors: Black, Beige, Brown, White
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