Sennheiser ew D1 wireless system with e945 dynamic microphone set. - Brand: Sennheiser - Model: ew D1 - Microphone Type: Dynamic Microphone - Microphone Model: e945 Also includes an 835 head, but the internal sponge is missing. I have confirmed that sound is produced, but I have not checked every detail. Please understand that this is a used item. As agreed, no claims and no returns. If you are looking for a perfect item, please do not bid. We do not accept any claims, complaints, returns, or exchanges under any circumstances after winning the bid or after the product arrives. Thank you for viewing.