3-piece headband, electret microphone handset separately, with PTT button ASP-23.   16 speaker sets are unused and original packed.   The HolmCo HR-90 is a professional, three-part hearing set that is characterized by its ergonomic design and high sound quality. It has a stable headband and a high-quality electret microphone for precise voice transmission. The set is equipped with a robust ASP-23 PTT pushbutton that ensures reliable communication.   The HR-90 speaker set has been specially developed for use in demanding communication environments. It enables clear and trouble-free voice transmission, while the PTT button allows fast and uncomplicated operation. Thanks to the separate handset guidance, the set is particularly suitable for applications where maximum freedom of movement is required.   4 hearing sets are needed. There was no re-examination of function after separation (September 2026). Until the time of storage, the offered articles were in use without known defects. The respective articles may have various traces of use, which include material abrasion, dust and dirt adhesions, run-in and/or slightly deformed contact points and connections, lack of upholstery, adhesions and residues of adhesive markings, as well as age-related wear on cable softeners and cable guides.   Note: Please do not make any payments before you have been notified of a purpose.