CPV code 32340000 designates Microphones and loudspeakers in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
32340000 sits under 32300000 (Television and radio receivers, and sound or video recording or reproducing apparatus) and groups 4 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.