UMIK-X-2

Features

• Multichannel – multipoint microphone measurement system
• Supports up to 4 × UMA-4 / UMA-XL MEMS microphone arrays (daisy-chained)
• Low distortion, high AOP, high SNR Knowles MEMS (SPH0655LM4H-1)
• 24-bit 44.1 / 48 kHz recording with ASIO drivers
• USB to A2B® module for multichannel audio over long cables (up to 40m)
• Includes REW license for multichannel measurement ($100 value)

What’s in the Box?

• 1 × USB to A2B interface for multichannel audio streaming
• 2 or 4 × UMA-4 / UMA-XL microphone modules (based on selected option)
• 1 × License code for REW multichannel measurement ($100 value)
• 1 × Shielded USB cable (2m)

• A2B twisted-pair cables for daisy chaining:
– 2 × UMA-4 / XL package: 1 × 5m, 1 × 3m, 1 × 5cm
– 4 × UMA-4 / XL package: 1 × 5m, 3 × 3m, 2 × 5cm

• 2 or 4 × microphone monopods (extendable up to 1.2m height) (optional)
• Linking brackets to connect 2 × UMA-4 arrays (if selected)

USB to A2B Interface

• USB Streaming Engine: XMOS multicore USB audio processor (UAC2 streaming)

• USB Audio Capabilities:
– Supports up to 16-channel audio recording
– Driverless for macOS & Linux
– Custom ASIO drivers for Windows 10

• Resolution / Sample Rate: 24-bit @ 44.1 / 48 kHz

• Analog Devices A2B Link: Multichannel audio over A2B protocol (up to 40m cable length)

• Toslink:
– Output: Stereo link to playback system
– Input: Not enabled

• LED Indicator: Power / active link status

• Power Supply: External 5V USB

• Dimensions / Weight: 24 × 64 × 67 mm / 90g

UMA-4 Microphone Module

• Analog Devices A2B Link: Multichannel audio via A2B protocol with dual ports (supports daisy chain up to 2 × UMA-4)

• MEMS Microphones:
– 4 × Knowles MEMS microphones
– Low noise buffer with high-performance modulator

• Audio Performance:
– Low distortion: 1% @ 130 dB SPL
– Sensitivity: -37 dBFS @ 94 dB SPL (1 kHz)
– Acoustic Overload Point (AOP): 132.5 dB SPL
– High SNR: 66 dBA with flat frequency response

• Design Features:
– RF shielded against mobile interference
– Omnidirectional pick-up pattern
– Matched sensitivity for uniform response

• Mounting: Plastic clamp for microphone mounting

• Dimensions / Weight: 160 × 180 mm / 27g

UMIK-X – Key Highlights

• Supports 1–4 UMA-4 / UMA-XL modules with USB-A2B interface
• Connects 4 to 16 microphones
• Single twisted-pair cable (A2B protocol) for audio + power
• Up to 40m cable distance
• 24-bit / 44.1–48 kHz multichannel audio

Applications

• Environmental monitoring
• Distributed soundfield measurement
• Room equalization
• Subwoofer tuning

Compatibility

• UAC-2 compliant interface
• Driverless for macOS & Linux
• ASIO driver included for Windows
• Compatible with Room EQ Wizard (v5.20+)
• Includes $100 multi-channel upgrade license

Packages

• Ready-to-use kits available
• Up to 8-channel recording (2 arrays)
• Up to 16-channel recording (4 arrays)