立体声耳机一般指二声道的立体声头戴耳机。左右耳机单元分别由二声道立体声的左右声道馈给信号,这样试听者可得到左右展开的声像。立体声耳机本身并没有与单声道不同的特殊设计,只是连接方式不同。四声道也不例外。左前左后、右前右后分别与四个耳机单元在左右耳罩内作相应的配接。对立体声耳机的要求,除了确保一定的音质和佩带的舒适性外,还要求左右耳机单元在性能上一致。如频响、灵敏度、阻抗和失真等必须十分接近,而 Stereo headphones generally refers to two-channel stereo headphones. The left and right headphone units are fed by the left and right channels of the two-channel stereo, respectively, so that the listener can get the left-right expanded sound image. Stereo headphone itself does not have a special design different from mono, but the connection is different. Four-channel is no exception. Left front left, right front right after four headphone unit respectively with the corresponding allocation within the earmuffs. On the requirements of stereo headphones, in addition to ensuring a certain sound quality and wearing comfort, but also requires the performance of the left and right headphone unit consistent. Such as frequency response, sensitivity, impedance and distortion must be very close, and