Patent ID: 8837764

Claim:
A portable loudspeaker, comprising: a base, a speaker cap opposing the base, and a movable resonance portion located between the base and the speaker cap; the movable resonance portion being formed in a storing state in which the base and the speaker cap are coupled together and a releasing state in which the speaker cap and the base are separated, the base and the speaker cap including respectively an audio conversion module and a speaker electrically connected to each other, the speaker cap including a first audio outlet to output audio signals of the speaker; wherein: the base includes a resonance reflection portion to receive reverse resonance sound waves generated by the speaker relative to the first audio outlet, the movable resonance portion including a first transmission channel to transmit the reverse resonance sound waves to the resonance reflection portion and a second transmission channel to transmit bass sound waves generated by the resonance reflection portion from the reverse resonance sound waves towards the speaker cap for output, the speaker cap also including a second audio outlet to output the bass sound waves.