Self powered turntables
Autonomous power supply
— ability to power the player from an independent source. This feature makes the unit independent of outlets and allows it to be used in any relatively suitable environment where there is room for the player itself.The role of an autonomous source can be played by replaceable batteries or a built-in battery. The first option requires the cost of purchasing power supplies, but allows you to quickly change dead batteries. In addition, the user can choose the type (disposable or rechargeable) and the specific brand of batteries. Built-in batteries, in turn, are purchased immediately with the device, but when the charge is exhausted, such a battery will have to be charged — and this will require an external power source and some time, sometimes quite a long time.
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