MicW i236L Professional Class 2 Microphone User Manual
- June 12, 2024
- MicW
Table of Contents
I236L
User’s Manual 
CALIBRATION REPORT
Product Information| Calibration Data| TEST ENVIRONMENTAL
CONDITIONS
---|---|---
Model No: i236L
Serial No:
Description: 1/4” Free Field
Digital Microphone with
Lightning Connector| Sensitivity: dBFS
Noise Lab Correction: dB
Technician:
Date: yyyy/mm/dd| Temperature: 25℃
Humidity: 65%
Pressure: 101.3kPa
Notes:
- The reference microphone for calibration is traceable from the National Institute of Metrology(NIM).
- Calibration is performed in compliance with ISO9001:2008.
- Measurement uncertainty is +/-0.30dB (95% confidence level with a coverage factor of2).
- Fervency response is measured by a comparison method “BSWA-III-RD01-0013”.
- Sound Level meter Class 2( IEC61672-3) was certified with Noise Lab App by Scanted USA and NIM Lab.
INTRODUCTION
Welcome to the MicW i-Series of professional microphones. MicW has been designing and manufacturing high quality microphones for testing, measuring and studio recording for over 10 years. The expertise in diaphragm technology allows MicW to provide professional products for audio applications.
SAFETY INSTRUCTION
The microphone come with a pre-polarized capsule, which is tested in extreme
temperatures and humid environments for more than 24 hours. It is designed to
operate
from -20℃ to 50℃ and humidity up to 95%.
Power Supply
The i236L does not require an additional battery for power.
APPLICATIONS
Macaw i236L is 1/2” repolarized free-field digital measurement microphone. It has omni-directional pattern. It is an ideal choice for iPhone, iPad mobile (iOS Lightning or Type C connectors ) devices as external microphone. The i236L is developed based on BSWA MPA436 array microphone which is widely used in aerospace and automotive industry.
FREQUENCY REPONSE
Typical Frequency Response.
Frequency (Hz)| FRes (dB)| Frequency Hz)| FRes (dB)|
Frequency (Hz)| FRes (dB)
---|---|---|---|---|---
16| 0.3| 250| -0.1| 4000| 0.1
32| 0.7| 500| 0.0| 8000| 1.4
64| 0.5| 1000| 0.0| 16000| 0.2
125| 0.2| 2000| 0.0| 20000| -3.7
MICROPHONE INSTALLATION
Simply plug the i236L into your lightning connector of the iPhone, iPad device.
WARRANTY POLICY
MicW Audio warrants that its Products will be free from defects in materials and workmanship for one (1) year from the date of purchase by the original purchaser.
CE MARKING
**** The MicW i236L microphones conform with the relevant CE mark directives approved by the European Commission.
SPECIFICAITONS
Microphone i236L
Type| Electret Condenser
Capsule Diameter(front)| 13.2mm
Capsule Diameter(back)| 10.0mm
Total Length| 46.6 mm
Principle of Operation| Free-field
Directivity| Omni
Sensitivity| – 17.19 ± 3.0 dBFS
The analog sensitivity of the capsule| – 28.0 dB re 1V/Pa, or 39.8mV/Pa
Correction Factor| -5.11 ±3.0 dB tested with Noise Lab APP in MID Range
Equivalent Noise Level| 23.0 dB(A)
Upper Dynamic Limit| 119.0 dB
Frequency Range| 20~20,000Hz (complied with IEC 61672 Class 2 requirements at
reference conditions)
T.H.D| < 3% at 119dB SPL
Operating Temperature| -20℃ ~ 50℃
Power Source| Plug and Play
Polarization Voltage| 0 V
Weight| 13.9g
Connector| Lightning Connector
PACKING LIST
- One piece of i236L microphone
- One windscreen for i236L microphone
- No printed user manual. Please visit http://manual.bswa.com.cn for the product information
SOUND LEVEL METER APPLICATION
Requirements:
- iOS version 10.0 or higher
- i236L microphone
- Noise Lab App
STEP 1: Search” Noise Lab” in App store on your iOS device and install
the app.
STEP 2: Plug i236L into the iPhone, iPad, then launch Noise Lab
STEP 3: Go to the Calibration menu and change the Correction according to
the
CALIBRATION REPORT. Or calibrate the system with a standard microphone
calibrator.
a member of BSWA Technology Ltd.
Unit 1003, North Ring Center No.18 Yumi Road, Xicheng District, Beijing
100029, China
Phone: +86-10-51285118
Fax: +86-10-82251626
Email: [email protected]
Web: www.micwaudio.com
Macaw microphones
Product: features and specifications are subject to change without notice
i236L
Professional Class 2 Microphone
www.micwaudio.com