1. An electro-acoustical transducer that changes electrical energy to acoustical energy.

2. A transducer (or group of transducers) within a single cabinet that converts electrical energy into acoustical energy. The piece of equipment that makes the sound.

Source: [http://www.allchurchsound.com/ACS/glossary/index.html Church Audio & Acoustics Glossary]

[[Category: Acoustics]]