Warranty Model Official AKG Professional Wireless Monitor Headphones Bluetooth with Original Sticker 3-Year [AKG Store] Closed-Back K371-BT-Y3 5.0

--------------------------------------------------- 【Condition】 Please check the product description and photos for the condition. Some items may have not been tested or may show signs of use.

【Included Items】 Accessories are limited to those shown or mentioned in the product description. Items such as manuals, boxes, or cables are not included unless specifically stated.

【Product Specifications and Firmware】 Some Japanese domestic models may have limited functionality overseas. Please check compatibility before purchase.

【Voltage Compatibility】 Our products are selected to support international voltage ranges (e.g. 100–240V). However, please make sure your local voltage is compatible before use, as incorrect voltage may still cause 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 appropriate voltage or equipment. --------------------------------------------------- High-quality studio headphones with wireless playback capabilities that achieve sound performance comparable to higher-end models. [Headphone section] Structure: Closed-back / Sensitivity (1kHz): 99dB SPL/mW / Frequency response: 5Hz to 40kHz / Impedance: 32Ω / Ear pads: Over-ear, detachable, synthetic leather / Input connector: 3.5mm stereo mini plug (gold plated) / Cable: Detachable, single-sided / Weight: 294g (excluding cable) / Power supply: DC3.7V (built-in rechargeable lithium-ion battery) / Charging time: Approximately 2 hours / Charging method: USB / Usable time*1: *2 up to 40 hours *1 Varies depending on usage conditions. *2 The power will automatically turn off if there is no audio input for approximately 10 minutes. [Microphone Section] Type: Condenser / Directional Characteristics: Omnidirectional / Effective Frequency Band: 70Hz to 10kHz [Bluetooth] Communication Method: Bluetooth Standard Ver. 5.0 / Maximum Communication Range*1: Approximately 15m in a clear line of sight / Supported Profiles: A2DP, AVRCP, HFP / Supported Codecs: AAC, SBC, UHQ *1 Varies depending on usage conditions. These AKG professional headphones feature Bluetooth wireless playback for the first time. There's absolutely no compromise on sound quality; high-quality components are used to achieve acoustic performance comparable to higher-end models. Bluetooth version 5.0 is employed, offering a wide communication range and fast data transfer speeds for stable wireless performance. Wired connection is also supported, allowing for versatile use. Equipped with large 50mm drivers, these headphones deliver incredibly well-defined bass. Furthermore, the highly sealing, low-rebound ear pads ensure that the sound reaches the eardrum without loss, faithfully reproducing the power of the original sound. The bass response range reaches 5Hz. High-quality studio headphones with wireless playback capabilities that achieve sound performance comparable to higher-end models.