1.
quadraphonic amplifier
四声道立体声放大器
2.
a stereophonic sound recording or reproducing system system using four separate channels.
用四个独立的声道录放立体声的系统。
3.
four sound track stereo radio
四声道立体声收音机
4.
The Design of 2.7W Double Channels Stereo Class-D Audio Amplifier
2.7W双通道立体声D类音频功率放大器的设计
5.
of or relating to quadraphony.
属于或关于四声道立体声的。
6.
The DSP amplifier ensures that every amplifier channel and the accompanying speaker can be individually adjusted by computer for volume and frequency.
dsp放大器确保计算机可以独立调节每个放大器声道及扬声器的频率和音量。
7.
discrete four-channel tape system
分立四声道磁道系统
8.
audio-frequency amplifier
声频放大器音频放大器
9.
Of or for a four-channel sound system in which speakers are positioned at all four corners of the listening space, reproducing signals that are independent of each other.
四声道的属于或用于四声道声音系统的，音箱放置于听音空间的四角，再生各自独立的信号
10.
two sound track stereo radio
双声道立体声收音机
11.
ASIC Design and Implementation of Mono Filter-free Stereo Audio Class-D Power Amplifier;
无滤波器立体声音频D类功率放大器专用集成电路的设计与实现
12.
Design of a high efficiency and filterless stereo class-D audio power amplifier
一种无滤波器的高效立体声D类音频功率放大器
13.
A Design of Small Preamplifier for Electret Microphone
驻极体传声器小型前置放大器的设计
14.
Analysis and Design of Microwave Low Noise Transistor Amplifiers;
微波低噪声晶体管放大器分析与设计
15.
stereophonic record-player,radio,etc
立体声音响器材（立体声唱机、收音机等）
16.
Symbol for a stereo speaker outlet. Place edge against a wall and rotate into place.
立体声扬声器输出口符号。贴靠墙壁放置并旋转到位。
17.
sound IF amplifier tube
声频信号中频放大器
18.
Design of 2.4G CMOS Low Noise Amplifier
2.4G CMOS低噪声放大器设计