V6 Rear Case Assembly, Product Code 35701, a replacement part for the SIGMA Spectrum Infusion Pump -- SIGMA LLC Medina, NY 14103 --- NOTE: The speakers are a part of the rear case assembly located in the back of the infusion pump. The speaker is intended to generate audible tones during each keystroke, and during alarm conditions. However, some speakers have a variation in their internal wiring that increases the potential for the speaker to fail prematurely. Spectrum Infusion Pumps with non-functional speakers will continue to display visual alarm indications, and will otherwise continue to operate as intended. Product Code 35701 is a replacement assembly that is shipped to customers for self-repair of the Spectrum Infusion Pump. It is not a registered finished good.