McIntosh MB12HD User manual

1
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: [phone] www.mcintoshlabs.com
MB12HD
HD Bluetooth Transceiver
Owner’s Manual
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Safety First
It is a smart idea to read all the enclosed MB12HD
SAFETY INFORMATION even if you already know
this stuff, you can’t be too safe.
Safety Information
or explosion, please read the safety instructions before
operating this equipment and keep it for future reference.
CAUTION: TO PREVENT THE RISK
OF ELECTRIC SHOCK, DO NOT
REMOVE COVER OR BACK.
NO USER-SERVICEABLE PARTS
INSIDE. REFER SERVICING TO
QUALIFIED PERSONNEL.
IMPORTANT NOTICE: DO NOT MODIFY THIS
PRODUCT
the company could void the user’s authority to operate
this equipment.
Safety Information
1. Keep your equipment safe from humidity, prevent
moisture in electronics.
2. Don’t put the product in direct sunlight or place in
hot areas.
3. High temperature will shorten the life of electronic
device.
4. Exposure to extremely high or low temperatures can
damage the circuit board.
5. Do not attempt to disassemble the product! The
warranty will be void for any unauthorized repair or
6. Do not drop or put excessive pressure on the product.
7. Don’t use chemical or detergent to clean the product.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION

3
Due to isolating characteristic of the product, do
not use the product at excessive volume while driving
or in any other activity where failure to hear
surrounding sounds could be dangerous.
Using the product at excessive volumes may cause
permanent hearing damage.
You can get the most out of your equipment with
MB12HD and enjoy great audio performance even at
safe levels.
Table of Contents
Safety First ......................................................... 2
Safety Information .............................................. 2
Thank you .......................................................... 4
User Guide .......................................................... 4
Overview ............................................................ 5
Key and Parts ...................................................... 5
Front and Rear Panel........................................... 6
Quick setup ...................................................... 7-8
License Information ............................................ 8
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Thank you
From all of us at McIntosh, thank you for purchasing
MB12HD. The MB12HD Bluetooth Transceiver is a
precision instrument that will provide many years of
enjoyment. Please take a few moments to familiarize
yourself with the features and instructions to get the
maximum performance from your equipment.
If you need further technical assistance, please contact
your dealer who may be more familiar with your partic-
ular setup including other brands. You can also contact
McIntosh China Distributor with additional questions or
in the unlikely event of needing service.
GUANGZHOU RICHCOM AUDIO VIDEO TRAD-
ING COMPANY LTD
Flat 1516 & 1517, Tower 3, 341 Fu De Lu, Panyu
District, Guangzhou, China
Phone: [phone]
Fax: [phone]
User Guide
Congratulations on your purchase of the MB12HD
Bluetooth Transceiver!
The following pages explain the features and operations
of MB12HD. Please take a few moments to read this
user guide.
Also read all safety instructions before proceeding. The
answers to most set up and performance questions can
be found in this guide.
In the Box
1) MB12HD Bluetooth Transceiver
2) McIntosh Optical Cable x2
3) Type C and USB Power Adapter
5) McIntosh RCA Stereo Audio Cable x2
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7) User Guide
8) anti-skid pads x4

5
Overview
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music through your existing Hi-Fi audio system. The
receiver streams the highest quality audio wirelessly
from your Bluetooth enabled device to any music
system or powered speakers. The receiver is a true high
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streaming codecs and audiophile grade DAC to unleash
all the clarity, crispness and full emotional impact
your Hi-Fi stereo system can deliver. Unlike standard
Bluetooth receivers, MB12HD Bluetooth Transceiver
provides ultimate wireless freedom with the longest
wireless range.
MB12HD can transmit signals to two pairs of
headphones at the same time.
Key and parts
1) Antenna x2
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switches,
4) RCA Stereo intput
5) RCA Stereo output
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7) DC power input

6
Rear PanelFront Panel
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UNBAL UNBAL
RL RL
AUDIO INPUTS AUDIO OUTPUTS
DIGITAL
OPTICAL
DIGITAL
OPTICAL
DC IN 5V

7
Quick Setup
Setup and pairing is really easy.
The following instructions will help you connect the
receiver to your music system and pair with your tablet,
computer or smartphone.
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product can be used as a Bluetooth receiver.
Step 1: Connect audio cables from the receiver rear
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Step 2: Connect a power adapter to the bluetooth
receiver with the provided power cord and plug the
power adapter into an AC outlet.
The receiver will automatically go into pair mode. The
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ready to be paired.
Step 3: To enter pairing mode, please double click the
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(i.e. Bluetooth earbuds, speakers, etc)
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Bluetooth receiver and work with your smart device.
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bluetooth receiver. Once successfully paired, the LED
will turn SOLID.
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bluetooth devices, select “MB12HD” to pair and
connect. Once successfully paired, the LED will turn
SOLID.
Step 6: Select a correct audio channel on your product
(set the front channel switch to OPTICAL when
connecting to optical output or input; set the front
channel switch to ANALOG when connecting to Analog
output or input)

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Quick Setup, Con’t
a Bluetooth transmitter, so audio output device can
connect with Bluetooth receiver.
receiver to non-Bluetooth stereos, pair the Bluetooth
receiver with your smart device and listen music with
Hi-Fi system.
Repeat step 2 - 5 to add more devices. You can connect
the MB12HD with 2 bluetooth devices at the same time,
and it can remember eight devices.
License Information
Trademark Logo License Information
The Bluetooth word mark and
logos are registered trademarks
owned by Bluetooth SIG, Inc. and
any use of such marks by McIntosh
Group, Inc. is under license. Other
trademarks and trade names are
those of their respective owners.
a product of Qualcomm
subsidiaries. Qualcomm is
a trademark of Qualcomm
Incorporated, registered
in the United States and other
of Qualcomm Technologies
International, Ltd., registered
in the United States and other
countries.

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Bluetooth Version
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Supported Codecs
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Bluetooth Range
40m, 131feets
Input
Bluetooth, Digital To Analog RCA, Digital to analog OPT
Output
Bluetooth, Analog RCA to Digital, Analog OPT to Digital
Input Power
<100MA
Output Voltage
5V
D/A Converter
PCM5102A
Frequency Response+]²N+]G%G%
Signal-To-Noise Ratio
>-75dB
Total Harmonic Distortion
<3%
Latency
~40 milliseconds (ms)
Enclosure
Aluminum