Used, tested, working.

This sealed setup checked by deltatron protocol, and  compy with factory documents.

This Bruel & Kjaer Type 4189 -A-021 Mic Setup is a top-of-the-line microphone designed for use in professional settings. With a focus on precision and accuracy, this microphone is perfect for those who demand the very best in sound quality. It is manufactured by MIC, one of the most respected names in the industry.

This microphone is ideal for use in a wide variety of settings, including music studios, recording sessions, and live performances. Whether you are a professional musician or a sound engineer, this microphone is sure to meet your needs. Featuring advanced technology and a durable design, it is built to last and provide exceptional performance for years to come.