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If you want more sound intensity, you will need to connect TDA 7050 amplifier to audio output. It is stereo 16-bit DAC and ADC, fully compatible with USB 1.1. The heart of the integrated circuit is PCM2902 of Burr-Brown by Texas Instruments. The supply of (as imagined) is done by the USB port. Fully compliant with USB 2.0 and 1. Provides full-duplex playback/recording audio stream, no need sound card in PC. Compliant with USB audio device class Specification 1.1. A small structure is a sound card, USB, with stereo inputs / outputs, button to increase / volume button for volume and mute! When connected Windows will recognize as a sound card! With all the materials to be SMD, the cornered enough and fit into a small plastic box, which by one measure has a cable with USB plug, sound to go acoustic (Left / Right) and condenser microphones. Works with Windows XP, 7 ,8 ,& Windows 10 NO Drivers Needed USB Sound Adapter External USB Sound Card with Line-Input Speaker Output and Mic Input. But at some point broke down the female plug my sound card, and because quite a lot to change the plug when I put the headphones and when the speakers. Very likely your headphones and microphone, which also connect to the appropriate slot your sound card.
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Many of us have a pair of headphones connected to the output of the computer sound card us either to enjoy songs, or a game.
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