The 4266 Omnidirectional Headset Microphone combines the legendary sound of the 4066 Omnidirectional Capsule with a lightweight and flexible headset system.
- 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
- Directional pattern: Omnidirectional
- Principle of operation: Pressure
- Cartridge type: Pre-polarized condenser
- Frequency response: 20 Hz - 20 kHz
- Effective frequency range ±2 dB: 40 Hz - 20 kHz with 3 dB soft boost at 8 - 15 kHz
- Sensitivity, nominal, ±3 dB at 1 kHz: 6 mV/Pa; -44 dB re. 1 V/Pa
- Equivalent noise level, A-weighted: Typ. 26 dB(A) re. 20 µPa (max. 28 dB(A))
- Equivalent noise level, ITU-R BS.468-4: Typ. 38 dB (max. 40 dB)
- Distortion, THD < 1% - Legacy: 120 dB SPL RMS, 123 dB SPL peak
- Distortion, THD < 1% - CORE: 134 dB SPL RMS, 137 dB SPL peak
- Dynamic range - Legacy: Typ. 97 dB
- Dynamic range - CORE: Typ. 111 dB
- Max. SPL, THD 10%: 144 dB SPL peak
- Rated output impedance: 30 - 40 Ω
- Cable drive capability: Up to 300 m (984 ft) with DAD6001-BC XLR Adapter
- 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
- Power supply (for full performance): For wireless systems: Min. 5 V - max. 10 V through DPA adapter, With DAD6001-BC: P48 (Phantom Power). Will work from 12 V
- Current consumption: Typ. 1.5 mA (microphone). 3.5 mA with DAD6001-BC XLR Adapter
- Connector: MicroDot, TA4F Mini-XLR, 3-pin LEMO, Mini-Jack
- Color: Black, beige or brown
- Weight: Microphone boom: 0.8 g (0.03 oz). Earhook: 1.1 g (0.04 oz). Cable: 6.6 g (0.23 oz). Total: 8.5 g (0.30 oz)
- Microphone diameter: 5.4 mm (0.21 in)
- Microphone length: Boom length: Normal: 120 mm (4.7 in), Medium: 100 mm (3.9 in)
- Cable length: 1.3 m (4.3 ft)
- Cable color: Black, beige or brown
- Cable diameter: 1.6 mm (0.06 in)
- Polarity: Positively increasing sound pressure produces positive going voltage on MicroDot pin
- Electromagnetic compatibility (EMC): Fully compatible
- Temperature range: -40°C to 45°C (-40°F to 113°F)
- Relative humidity (RH): Up to 90%