Laptop Lenovo ThinkBook 15 G4 IAP Intel Core i7-1255U 8GB DDR4 15.6″ FHD – Mineral Grey with Casual Toploader

Speaker size: $40*7.8H mmImpedance: 320‡15%Output sound pressure: 100÷3dBFrequency Response Range: 20Hz~20K HzRated Input Power: 20mWMaximum Input Power: 30mWLeft/Right Sensitivity Difference: 3dbMicrophone specifications: 6050Mark wind sensitivity: -42 ‡ 3dB (0dB = 1V / Pa, 1KHz)Microphone pointing: single pointingSize: 190*170*80mmExecution standard:GB 4943.1-2022, GB/T 9254-