Philips open headphones. The extended high frequency range of high-resolution audio is smoothly reproduced with a sense of transparency (Kanai Hidetsugu)
Maintenance information: 2024.6.24 sound output confirmed
Accessories: original box, cable, instruction manual
Main specifications: frequency band 5 to 40,000 Hz sound pressure sensitivity 100 dB input impedance 30 ohms maximum input 500 mW 50 mm neodymium driver