Bosch MH-300 MH-300-DM-A4M Leaflet
Product codes
MH-300-DM-A4M
Innovating the Future of Global Communications
www.rtsintercoms.com
Specifi cations
Speaker
• Transducer Type: Dynamic
• Sensitivity: 100 dB SPL/mW at 1 kHz
(normal volume setting)
• Impedance: 150 Ω Nominal
• Frequency Response: 100 Hz to 10 kHz
• Distortion: 10%
• Sensitivity: 100 dB SPL/mW at 1 kHz
(normal volume setting)
• Impedance: 150 Ω Nominal
• Frequency Response: 100 Hz to 10 kHz
• Distortion: 10%
Microphone
• Type: Noise-Canceling Dynamic
• Impedance: 200 Ω Sensitivity: 200 Hz to 5 kHz
• Distortion: <5%
• Gross Weight: 8 oz. (226 g)
• Cord Length: 5.9 ft. (1.8 m)
• Color: Black
• Impedance: 200 Ω Sensitivity: 200 Hz to 5 kHz
• Distortion: <5%
• Gross Weight: 8 oz. (226 g)
• Cord Length: 5.9 ft. (1.8 m)
• Color: Black
Confi gure the Speaker Volume
Speaker Volume is confi gured using dip switch settings
located on the main board of the headset. To confi gure
the speaker volume, do the following:
1. Remove the micrphone module or listen-only module.
2. Using a small fl athead screwdriver (or other device),
located on the main board of the headset. To confi gure
the speaker volume, do the following:
1. Remove the micrphone module or listen-only module.
2. Using a small fl athead screwdriver (or other device),
adjust the speaker volume. See the table below.
Dip Switch Settings
Dip switches are located on the microphone module and
the listen-only module. This feature is not available on
the audio input module.
Locate the dip switch window on either the boom mic
module or the listen-only module.
the listen-only module. This feature is not available on
the audio input module.
Locate the dip switch window on either the boom mic
module or the listen-only module.
NOTE: Only switch positions 3 and 4 are used to confi g-
ure speaker volume.
For complete information on the use and care of the MH
series of headsets and headphones, please refer to the
user guide located on our website:
http://www.intercomheadsets.com/manuals.php
ure speaker volume.
For complete information on the use and care of the MH
series of headsets and headphones, please refer to the
user guide located on our website:
http://www.intercomheadsets.com/manuals.php
Ordering Information
MH-300 & MH-300L
Intercom Headsets
Catalog Number:
This specifi cations information is preliminary and is subject to change without notifi cation.
Brand names mentioned are the property of their respective companies.
Bosch Security Systems, Inc. | 12000 Portland Avenue South | Burnsville, Minnesota 55337
Telephone: 877·863·4169 | Fax: (800) 323-0498
LIT000432000 Rev A
Date: August 2010