--- type: product schema_version: 1 stock_number: "50394-1" canonical_url: "https://www.artisantg.com/50394-1/Bruel-Kjaer-4189-A-021" json_url: "https://www.artisantg.com/50394-1/Bruel-Kjaer-4189-A-021.json" generated_at: "2026-11-07T03:36:26.150Z" last_updated: "2026-10-14T13:00:51.160-05:00" --- # Bruel & Kjaer 4189-A-021 1/2" Free-Field Microphone with 2671 Preamplifier TEDS Combination _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Bruel & Kjaer - Model: 4189-A-021 - Condition: Used and in Excellent Condition - Price: $1,375.00 USD - Availability: In stock, 2 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 1.5 lb, estimated - Shipping dimensions: 8X8X3 in, estimated ## Categories - Test Equipment > Electrical Test > Audio Testers (primary) ## Details ### Includes - Storage Case ## Function Free-field condenser microphone system designed for precision acoustic measurements in unobstructed sound fields. Features integrated TEDS (Transducer Electronic Data Sheet) capability for automatic sensor recognition and calibration data storage. Operates with external power supply through coaxial cable connection. Provides high-sensitivity, low-noise signal conditioning for sound pressure level measurements, frequency response analysis, and environmental noise monitoring. Compatible with sound level meters, data acquisition systems, and acoustic analyzers. Typical applications include noise compliance testing, audio equipment characterization, and environmental acoustic surveys. ## Images - - - - -