The powerful MX 250 earphones feature Sennheiser's Sound Protection System for music on the move. They are stereo earphones with asymmetrical connection cable and a sound protection system for protecting their high-performance systems.

Features
-Ideal for portable players such as MP3 or CD
-Metal "Sound Protection System" protects the acoustic systems
-Powerful stereo sound
-Comfortable to use due to asymmetrical cable (left: 96cm; right: 130 cm)
-2-year guarantee

Technical Data
-Frequency response: 19 – 20,000 Hz
-Transducer principle: dynamic, open
-Nominal impedance: 32 Ohms
-Max. SPL: 109 dB at 1 kHz, 1 Vrms
-THD: < 1 %
-Ear coupling: intra-aural
-Weight (without cable): 12.5 g
-Connector: 3.5 mm jack plug
-Connection cable: approx. 1 m, asymmetrical,OFC copper cable

Compatible with all iPods/MP3/CD and any device with 3.5mm headphone input jack