There is provided: a lightweight peripheral component for audio equipment having a good balance between a large internal loss and excellent mechanical properties, and having excellent thermal resistance, dimensional stability, and an excellent S/N ratio; and a speaker using the same. The peripheral component for audio equipment of the present invention contains a polyphenylene ether-based resin (A), a polystyrene-based resin (B), and a polyolefin-based resin (C).

 
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