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DPA CORE 4288 Directional Flex Earset

The DPA CORE 4288 Directional Flex Earset  combines the legacy of the classic DPA CORE 4088 capsule with the durability and modularity of the modern DPA Flex headset design.

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Product Description

The DPA CORE 4288 Directional Flex Earset  is the ideal choice for when off-axis noise is a challenge. The directional 4288 capsule is optimised for natural, open vocal reproduction and performs excellently in demanding conditions, with a maximum sound pressure level of 144dB before any clipping occurs.

The Flex Earset is highly adaptable and allows for the boom to be mounted on either side of the head. The CORE 4288 Microphone boom is available in two boom lengths, 100mm or 120mm.

The DPA CORE 4288 Directional Headset is available in Black, Brown and Beige with two sizes of boom (100mm or 120mm).

DPA CORE 4288 Directional Flex Headset

Directional pattern Cardioid
Principle of operation Pressure gradient
Cartridge type Pre-polarized condenser
Frequency response 20 Hz – 20 kHz
Frequency range, ±2 dB, Near field 2-3 cm (0.8 – 1.2 in) 100 Hz – 20 kHz (4 – 6 dB soft boost at 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
Power supply (for full performance) For wireless systems: Min. 5 V – max. 50 V through DPA adapter. With DAD6001-BC/DAD6024/DAD4099: 48 V phantom power ±4 V for full performance
Connector MicroDot
Color Black, beige or brown
Weight 14 g (0.5 oz) incl. Cable and MicroDot connector
Microphone diameter 5.5 mm (0.25 in)
Microphone length 11 mm (0.5 in)
Cable length 1.2 m (3.9 ft)
Cable diameter 1.6 mm (0.06 in)
Polarity Positively increasing sound pressure produces positive going voltage on MicroDot pin
Temperature range -40°C to 45°C (-40°F to 113°F)
Relative humidity (RH) Up to 90%


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