What is called AV amplifierAV amplifier is the amplifier used in the audio-visual system. It is used in the audio-visual system of the home theater. The amplifier is complete. AV power amplifiers generally have 4~7 channel power outputs such as front, ce

How to choose an amplifier1. The heavier the amplifier, the better. When we choose other products, we advocate lightness and compactness, but power amplifiers require heavy weight. Because the power amplifier is mainly driven by a powerful power supply, the quality of

How the CD player works;The CD player completes the above functions through two parts, mechanical and electrical. The mechanical part mainly refers to the movement, including the spindle, spindle motor, tracking guide rail, tracking motor and laser head components. Tracking and a series of work.The

Classification of bluetooth speakersMainly according to the pronunciation unit and use can be divided into several types.The first category: mini portable with single speakerThe mini portable bluetooth speaker is mainly divided into a speaker, a speaker +

How to choose a bluetooth speaker?compatibilityAlthough the compatibility of bluetooth speakers basically supports 100% of existing bluetooth devices, you still need to check whether your playback device supports bluetooth before buying.Transmission distanc

Specifications of bluetooth speakersAt present, there are many Bluetooth headset products on the market, while there are relatively few Bluetooth speakers. The so-called bluetooth speaker actually refers to a speaker that relies on the bluetooth transm