Specifications:   Model No.:A-284 

Plug: 3.5mm stereo with gold plating (Nickel plating optional)

Drive unit: 30mm  neodymium speaker (or Ferrit speaker)

Frequency response:20-20KHz

Impedence: 300ohms ( or 40 ohms , depend on airline requirement)

Sensitivity: 97dB+/-5dB

Max input power: 10mW

Cord length: 1.2M

Features:

A light-weight, extendable headband that offers prolonged wearing comfort

Unique 90 degree swivel earpieces

Single direct plug with golden plating: ( Below product images were taken in kind)

Single 90 degree vertical plug with nickel  plating:

Double  plug with nickel plating:

 About Yes Hope:   Company History: 

1997              Established in Shenzhen, China

2002              Professional Export Office founded

2003              CE, Rohs, ISO9001 Certificated

2004              Supply for Airline Industry

2006              Shenzhen New Manufacture Industrial Zone Founded

2007              ISO14001 Approved

2011              GSV  Approved

2012              BSCI Approved

2014              BSCI Approved

Workshop: