大多数低音炮忽视低音扩展控制，其结果使动态余量受到损害。
Most subwoofers neglect to provide bass extension control, and the result is that dynamic headroom is compromised.
在R200是平衡的特点或低阻抗麦克风或低层次的XLR连接外部设备的使用，四低噪声，高动态余量低z麦克风输入。
The R200 features four low noise, high headroom low Z mic inputs for use with balanced or low impedance microphones or low level external equipment with XLR connectors.
为实现低功耗设计目标，将比较器和OTA作为主要优化对象，采用改进的动态比较结构和套筒式余量放大器（OTA）分别实现上述功能。
The improved dynamic comparator and telescopic OTA were adopted to achieve the design specification, and the main improvements for realizing low power dissipation.
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