Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQECE9FY  ·  Generated: 14 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
SHURE MICROFLEX BOUNDARY MX391/O - MICROPHONE MX391/O
SHURE
SHURE MICROFLEX BOUNDARY MX391/O - MICROPHONE MX391/O
Part No.
MX391/O
Stock Code
1666555
Procurement Intelligence
The MicroFlex Boundary MX391/O is Shure's surface-mounted condenser microphone designed for conference tables, podiums, and meeting spaces. It features omnidirectional pickup with a 50-17kHz frequency response. Critical verification: confirm compatibility with existing audio system impedance and mixer input specifications, as boundary mics require proper gain staging.
Conference room table mounting
Before ordering — verify:
☐ Omnidirectional pickup pattern
☐ Boundary mounting surface
☐ Audio system compatibility
Technical Specifications
Audio Input Sensitivity-21.5 decibel
Color CategoryBlack
Wireless Print TechnologyWired
Frequency Response (Input)50 - 17000 hertz
Microphone Operation ModeOmni-directional
Microphone TechnologyElectret condenser
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/electronics/microphones-audio-systems/microphones/shure-microflex-boundary-mx391-o-microphone-mx391-o?mal=639e09a4d63fb2b6db0c0219
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.