Warranty Model Professional Official AKG Professional Air Monitor Headphones K240 with Original Sticker K240 3-Year [AKG Store] Semi-Open STUDIO-Y3

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. These semi-open-air studio headphones deliver the sound quality demanded by professionals at a great price. [Specifications] Structure: Semi-open air type / Sensitivity (1kHz): 91dB SPL/mW / Frequency response: 15Hz-25kHz / Maximum input power: 200mW / Impedance: 55Ω / Ear pads: Over-ear, detachable, synthetic leather / Input connector: 3.5mm stereo mini plug (gold plated) / Cable: Detachable, single-sided / Weight: 230g (excluding cable) Equipped with the unique "XXL transducer" developed for professional models. The diaphragm employs a "TWO-LAYER diaphragm" structure that combines two types of materials and "Vari-Motion Technology" that changes the thickness between the center and the outer edge. Each sound is carefully rendered, and even the slightest reverberation is accurately reproduced without loss. Thanks to its meticulously designed semi-open-air structure, it achieves an extremely clear and natural sound. It outputs rich and tight bass and transparent mid-high frequencies, realistically reproducing sound localization and depth. The earcups, which can move freely up, down, left, and right, and the thick ear pads evenly distribute pressure on the sides of the head, maintaining a comfortable fit even during long monitoring sessions.