How to buy a perfect home theater power amplifier
Audio video interfaceHigh-end home theater power amplifier has a large number of audio and video input and output interface. Interface more than that can be connected to the picture source, sound source, equipment and more. In audio frequency, the video and audio power amplifier with digital decoding capability must have digital interface. When it is used as multichannel amplifier, there should be a set of 5 channel interfaces. If you have to tape the demand to pick two channel recording intermediate output interface variety, if the day after the digital copy is needed with digital output.The above is the choice of several major issues need to pay attention to the power amplifier, now on the market of all kinds of products, but also a lot of black businesses, Yingjiani home theater Xiaobian remind you choose the right to go to a professional audio amplifier company detailed understanding, must not be arbitrary to buy! Yingjiani theater amplifier TD series, designed for theater design!
Power sizePower is the main index of video amplifier and has great relation with price. But in fact, the actual power used in the family is below 20W, and the power of any video amplifier is rich. Poor quality power amplifier because the price is very low, just to do only one, twenty watts, the shell dare to mark 50W, 100W, knowing you will not use so high. Power is large, only in the case of extraordinary sound, there is no distortion, that is, leave a large margin. Buy family cinema amplifier, need not consider power enough. If the matching of 5 speakers is not the same size, but the common two big two, and other power, full spectrum requirements are not rigidly adhere to.
control abilityVideo and audio power amplifier control ability is also very important, but often easy to ignore when buying. In addition to total volume adjustment, the amplifier also has five separate volume adjustments. There is very little mid volume, front, right and left surround sound, three pairs of independent adjustable, plus front left, front right balance and left and right surround sound balance, a total of five adjustable controllers. Otherwise, five of the volume can not adjust the balance, it will be very inconvenient to use. The mid channel and surround channel should also be adjusted to accommodate the speaker's distance from the viewer. And these adjustments should be achieved with remote control. Because the debugger to listen in the normal position of listening, there is no remote control, you need to move around, it is difficult to tune.
With the improvement of living standards, family cinema is no longer so far away for us. In the economic conditions permit, we will choose to purchase a home theater system, at home and at the same time, the power amplifier is often ignored by us, in fact, a great power is the core part of the home theater, the equivalent of the human brain. The performance of the whole effect plays a vital role in the next Yingjiani home theater Xiaobian to introduce how to select power amplifier!
