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Which is more suitable for junior high school or senior high school?
Listener and Thiel are both better brands of repeater, and Listener has better human-computer interaction and memory playback functions.

The contrast between the listener and Thiel:

Let's start from the same point. All enterprises in Guangdong have developed different systems. Tiles entered the market earlier than the audience. When brick repeater became popular, Tile first entered the market as a handheld device. At this time, the boss of the audience is still studying in the United States.

From the use point of view, the repetition function of listeners is more powerful, the human-computer interaction is better than Deere's, and the synchronization of lyrics and search words is slightly simpler. The repeater still depends on whether the repeater function is used smoothly.

From the auxiliary function, the listener's memory card and memory playback are both relative, and the places that you don't understand can also be quickly recorded to facilitate quick memory next time.

How to choose a repeater:

First of all, we should do "three listening", that is, listen to the fidelity and clarity of computer recording; Listen to whether the lip sounds and teeth sounds in English tapes are clear; Listen for any noise in repetition.

Followed by "three choices", that is, choose standard brands and buy products produced by regular manufacturers; Choose products with good quality, spotless appearance, smooth surface and shell, and formal enterprise name, address, telephone number, product barcode, etc. Then choose a good service, not only with the product warranty card, but also with the detailed address, telephone number and professional maintenance team of the after-sales service outlets.

Followed by "three choices", that is, choose standard brands and buy products produced by regular manufacturers; Choose products with good quality, spotless appearance, smooth surface and shell, and formal enterprise name, address, telephone number, product barcode, etc. Then choose a good service, not only with the product warranty card, but also with the detailed address, telephone number and professional maintenance team of the after-sales service outlets.

Finally, there are "three taboos", that is, too many functions, too long time, distorted sound and too sharp playback. The most commonly used functions of repeater are "repetition" and "comparison with reading". Too many functions not only complicate the operation, but also distract attention and reduce the use effect.

Expert research shows that ordinary people can only remember 12 digits at a time, so the repetition time of the repeater is 200 seconds, which will make the fidelity difficult to guarantee. In addition, if the sound is too sharp when playing, it is easy to stab the eardrum, which will also affect the improvement of listening level.