Sennheiser MX 500W alternatives, similar headphones

Poly - Plantronics SupraPlus Polaris P261 with Voice Tube
Specifications

COBY CV 890
Specifications

Pleomax PHS-3800
Specifications

Poly Voyager 510 + HL10 Lifter + Travel Pack
Specifications

Ultron UHS-50
Specifications

SOUTHWING NeoVoice USB
Specifications

JVC HA L50-B
Specifications

JVC HA L50-R
Specifications

JVC HA L50W
Specifications

Jabra GN 2125-NCD 02
Specifications

Jabra C220s
Specifications

Ultrasone iCans
Specifications

Sennheiser PC 20
Specifications

Sennheiser MM 30
Specifications

Sennheiser HD 435
Specifications

Sennheiser HD 415
Specifications

Sennheiser BW 900
Specifications

Sennheiser Earbud Headphones
Specifications

Sennheiser CX 300
Specifications

Sennheiser CX 300-B
Specifications

Sennheiser CX 300-S
Specifications

Sennheiser HDR 120-8
Specifications

Sennheiser HDR 130-8
Specifications

Sennheiser HDR 140-8
Specifications