Sony Digital Surround Headphones Sealed 9.1ch (for Expansion) MDR-HW700

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. Model: Closed dynamic type Driver unit: diameter 50mm dome type *2 Magnet: Neodymium magnet Playback frequency band: 5Hz-25,000Hz Impedance: 24 Ω (1KHz) *This unit cannot be used alone.