Sennheiser HD 428 specs

General

• Packaged Quantity 1
• Weight 7.3 oz
• Recommended Use Portable audio system

Headphones

• Headphones Type Binaural
• Headphones Technology Dynamic
• Connectivity Technology Wired
• Sound Output Mode Stereo
• Frequency Response 18 - 22000 Hz
• Total Harmonic Distortion (THD) 0.1 %
• Sensitivity 110 dB
• Impedance 32 Ohm
• Magnet Material Neodymium

Remote Control

• Type None

Connections

• Connector Type Headphones ( Mini-phone stereo 3.5 mm )

Miscellaneous

• Cables Included Headphones cable - External - 10 ft
• Included Accessories 6.3 mm (1/4") stereo adapter

Power

• Power Device None
• Battery None

Manufacturer Warranty

• Service & Support 2 years warranty
• Service & Support Details Limited warranty - 2 years