Speaker
The speaker consists of an amplifier and a speaker. It is powered with USB (5V) and uses a normal headphone jack for the audio input.
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| Speaker with labeled connections | Amplifier and speaker unit | 
The speaker consists of an amplifier and a speaker. It is powered with USB (5V) and uses a normal headphone jack for the audio input.
|   |   | 
| Speaker with labeled connections | Amplifier and speaker unit |