RE90B

Half‑cardioid pattern boundary layer microphone

Summary & Images Specs Downloads & Support

Boundary layer
Half-cardioid polar pattern
Ultra-thin profile (16 mm) housing
Rubber non-slip bottom pad and strong steel screen
Integrated pop filter

A boundary microphone with “half-cardioid” pick-up pattern and built-in equalization, the RE90B is ideal for video and teleconferencing systems, boardrooms, classrooms, or houses-of-worship. Delivers every word fully and naturally. Also available in white (RE90BW).

Specifications

Connector Type	3-pin XLR
Height	16mm (0.63")
Width	94mm (3.7")
Specifications

Depth	123mm (4.84")
Weight Net	12.63oz (358g)
Frequency Response (-3 dB)	80 - 15,000 Hz
Family	RE Series Installation
Polar Pattern	Cardioid
Wired/Wireless	Wired
Mic Type	Boundary
Element	Condenser (back-electret)
Impedance, Low-Z balanced	200Ω
Open Circuit Voltage	25mV/Pascal
Case Material	Die cast zinc
Finish	Non-reflective black or white
Power Requirement	9 - 52 VDC

Videos

Downloads

Technical Documentations

Certification/Regulatory

Name	Language & Download
Miniature Gooseneck And Boundary Wired Microphones, Mean Time Between Failures (Mtbf) Declaration	EN
RE90-RE92-PolarChoice Mics EU Declaration of Conformity (2023-Aug)	EN

Engineering Data Sheet

Name	Language & Download
RE90B BW Engineering Data Sheet	EN

Service Policies

Name	Language & Download
Service Policies for China	EN

White Paper

Name	Language & Download
Audio 101 - Basic Audio Terminology	EN
Audio 101 - Loudspeaker Basics	EN
Audio 101 - Microphone Basics	EN
Microphone Facts- Axial Response	EN
PA Bible 03: Microphone Types	EN
PA Bible 08: Microphone Techniques	EN
PA Bible 15: Barrier Miking	EN
The EV PA Bible	EN
The PA Bible Chapter Zero	EN

Marketing Materials

Catalog

Name	Language & Download
Microphone Catalog 2024 NA	Download

Product Image

Let's talk

Dynacord & Electro-Voice, together with our certified partners, are ready to help support you through planning, purchase, and setup. Services available through our network of highly-qualified associates and partners may include: