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Neckloop with Microphone for Analogue, Digital and VSB

High Efficiency Neckloop with Integral Microphone in Beige or Black



Designed to provide the magnetic field to drive to standard analogue and digital wireless earphones the Neckloop can be worn discreetly under clothing. Neckloops produce an even field and the volume in the wireless earphone will remain constant when the head is turned. It also incorporates a highly sensitive omni-directional microphone with very high immunity to chafe-noise that can be generated when the device is worn under clothing. The high-sensitivity of the microphone is of particular importance for eavesdropping during covert operations.


Type: Transformer coupled single loop

Input Impedance: (1kHz)/Resistance 45/2.5 Ω

Input Power: Generated Field Strength 0.5μW for 10mA/M 113μW for 100mA/M

Microphone: Electret –33dB ±4dB

Cable: Hookup 3mm PU/Kevlar, 1200mm

Cable: Loop 3mm PU Single-core Copper

Cable, Loop Length 710mm (standard) 1245mm (extended length)

Size: Max 28, Min10 x 28 x 12 (H x W x D) mm

Weight: 200g

Operating Temperature Range: -10°C to +40°C

Colour Options: Beige, Black

Connector: None, can be fitted as specified by customer

CE Conformity: 89/336/EWG-Electromagnetic Compatibility

ROHS & WEEE ROHS: Compliant. WEEE: Compliant


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Contact Us

Sensorcom Ltd.

London, BR3 4LZ, 

United Kingdom

Tel: +44 (0) 208 639 4440

Fax: +44 (0) 208 639 4442

E-Mail: info@sensorcom.com 


The MEL Group

Laurence Walter House

Addison Road, Chilton Ind. Est,

Sudbury, Suffolk

CO10 2YW, UK


BSI registered

Holds Certificate No: FM 561435 and operates a Quality Management System which complies with the requirements of ISO 9001:2008 for the following scope:

The design, manufacture, repair and supply of audio communication devices, assisted listening devices and a range of associated products and accessories.


The “end of life disposal” of electrical products  in an environmentally friendly way, is the responsibility of the Purchaser.