Features: 6E2 lamp adopts advanced technology, which provides clear and bright display effect, ensuring that information can be easily read under various lighting conditions, and improves the user experience. This equipment not only has the function of earphone amplifier, but also combines with the efficient display, which is suitable for sound lovers and professional to meet the sound requirements in different scenes. The product design keeps the total distortion (THD) of ≤0.01%, which can ensuring the purity of sound transmission and make the music sound more real The integrated design of 6E2 display screen not only saves space, but also has better display effect, allowing users to monitor the equipment in real time. In the recording studio, display screen can display sound in real time, provide accurate data reference for sound engineers, and ensuring the quality of each recording. Specifications: Component:Metal Size:Approx.105mm/4.13inch Input impedance: 20KΩ Output impedance: 10Ω Fly: 0.003% Matching headphone impedance: 32-200Ω Headphone output power: 50mW@32Ω Frequency modulation frequency: ①87.0MHz-108.0MHz②76.0MHz-90.0MHz③65.0MHz-74.0MHz Working: 9-14V Package Includes: 1 Set Headphone Amplifier note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.