Type | Dynamic Cardioid Microphone |
Microphone Technology | Dynamic |
Form Factor | Handheld / Studio Mount |
Application | Broadcast, Studio, Voiceover |
Connectivity Technology | Wired |
Variable-D Technology | Yes |
Internal Pop Filter | Yes |
Built-in Shock Mount | Yes |
Power Requirements | None (Passive Dynamic) |
Weight | 737 g (1.62 lb) |
BOSCH RE20-BLACK Variable-D Announcers Microphone, Black

Key Benefits

AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Consistent vocal clarity with minimal proximity distortion thanks to Variable-D technology.
- Reliable performance for professional studios with a wide 45–18,000 Hz frequency response.
- U.S. manufacturing and TAA compliance support government and regulation-sensitive deployments.
Product Overview
The BOSCH RE20-BLACK Variable-D announcer's microphone is a professional-grade wired audio input device tailored for high-performance vocal reproduction. Utilizing Variable-D technology, it ensures smooth tonal consistency and minimizes proximity effects—ideal for dynamic voice applications. With a frequency response of 45 to 18,000 Hz, it captures rich, natural vocal tones while filtering out unwanted artifacts. TAA compliant and manufactured in the United States, the RE20 is a reliable choice for studio, broadcast, or voiceover environments.
Specifications
Product Overview
Wireless Features
Wireless | No |
Compliance & Origin
Country of Origin | United States |
TAA Compliant | Yes |
Certification | RoHS Compliant |
Environmental Compliance | WEEE, RoHS |
Included Accessories
Mounting Clamp | Mic stand adapter included |
Carrying Case | Not included |
Windscreen | Foam windscreen optional (not included) |
Cloud Management & Licensing
Cloud Management | Not applicable |
Software Licensing | Not applicable |
Remote Management Interface | No |
Interfaces
Audio Interface | XLR 3-Pin |
Output Impedance | 150 Ohms |
Sensitivity | -55 dBV/Pa (1.78 mV) |
Polarity | Pin 2 high relative to Pin 3 |
Load Impedance | ≥ 1000 Ohms recommended |
Physical & Environmental
Dimensions (Length x Diameter) | 217 mm x 49 mm (8.54 in x 1.93 in) |
Body Material | Steel |
Finish | Black |
Operating Temperature Range | −18°C to +57°C (0°F to +135°F) |
Storage Temperature Range | −40°C to +70°C (–40°F to +158°F) |
Operating Humidity Range | 0 to 95% (non-condensing) |
Audio Performance
Polar Pattern | Cardioid |
Frequency Response | 45 Hz – 18 kHz |
Maximum SPL | >140 dB SPL |
Off-Axis Rejection | Greater than 16 dB at 180° |
Advanced Security Features
Hardware Encryption |