The Sony MDR-1A high-resolution audio headphones produce a true, realistic sound so when you listen to your favourite tracks they'll sound as the artist intended. The headphones give you an authentic experience with deep lows and euphoric highs so you can enjoy your music with no limitations. Thrilling, Deep Audio The 40mm driver produces quality acoustics, and the headphones have a frequency range between 3Hz and 100kHz to reach the lowest and highest notes with clarity. With a high sensitivity of 105dB/mW, you can crank up the volume on any device and still hear clear, high-quality sound. Read more… Instinctive Controls With the in-line remote and mic, you'll even be able to take calls on your smartphone and have clearer conversations. Comfortable, Noise-Isolating Build The pressure-relieving ear cups fit comfortably around your ears and seal music in whilst keeping out annoying distractions. The enfolding shape reflects acoustics back towards your ears so you catch every subtle sound. Stunning Visuals The headphones look as good as they feel, with plush black leather ear cups and a stylish metal headband, and the quality, seamless stitching will ensure they last. Simple Storage To protect them even more, the ear cups can swivel to fold down for easy and safe storage and travel.