Rich low-frequency response / Insulation against ambient noise / Individually adjustable ear cups / Single-side cable / Compact storage Refurbished to new condition with Sennheiser warranty. The HD 228 is targeted towards cool and trendy young adults, students and professionals who regard Music as part of their lifestyle. They offer a rich Sound stage and stylish designs. Sennheiser brings high-quality Audio within reach of the average but discerning music lover. Neodymium magnets tuned to deliver rich low-frequency response Exceptional insulation against ambient noise Individually adjustable ear cups for a secure and comfortable fit right out of the package Single-sided cable prevents tangles Ear cups rotate for flat, compact storage/transport Optimized for iPod, iPhone, MP3 and CD players Connector: 3.5 mm (1/8") straight plug Cable Length: 4.6 feet Frequency Response: 18-22,000 Hz THD: <0.5% (1 kHz/100 dB) Impedance: 24 Ohm Transducer Principle: Dynamic, closed Sound pressure level (1 kHz, 1 V rms): 110 dB (1 kHz/1 V rms) Sensitivity (@ 1k Hz): 110 Pads: soft vinyl Ear Cup: supra aural Weight: 3.6 oz |