F7 
				
						超薄型设计,支持USB接口,2路单声(F4),5路单声(F7),1组立体声,
					
						通道三段均衡,一组辅助发送,一组效果发送,内置数字效果器,60mm精密推拉电位器。
						 
				
					技术参数 Technical Parameters:
				
					Maximum Output Level(最大输出电平): 19dBm (1KHz, THD=0.5%)
				
					Residual Noise(剩余噪声): -110dB
				
					S/N (信噪比): ≤ 82dB
				
					Equivalent Input Noise (等效噪声源输入电动势): -115dBm
				
					Headphone Power (耳机输出功率): 150mw (1KHz, THD=0.5%, 200Ω)
				
					Equalization(均衡): 
				
					Low(低频): 80Hz ±15dB
				
					 Mid(中频): 2.5KHz±15dB 
				
					High(高频): 12KHz ±15dB
				
					Gain Control (增益控制): MONO(单声道)-60dB~-40dB
				
					Gain Control (增益控制): ST(立体声)-45dB
				
					Frequency Response(频率响应): 20Hz~20KHz(±3dB)
				
					THD+N(总谐波失真+噪声): ≤0.005% (1KHz, 0.775V)
				
					AC Requirements(输入电压):Universal Power Supply,90--260VAC,50Hz/602Hz,18W max 
			
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