Invention Grant
US09503806B2 Loudspeaker system audio recovery imaging amplifier 有权
扬声器系统音频恢复成像放大器

Loudspeaker system audio recovery imaging amplifier
Abstract:
The present invention is a small high fidelity full spectrum speaker, which arranges a passive speaker and two active speakers such that fidelity of a larger speaker or one with a cross-over network is achieved.
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