
CROSBY
STEREO POWER AMPLIFIER
REVISION PRA – SEPTEMBER 2017
Copyright © 2017, M2T ech Srl
2

CROSBY
STEREO POWER AMPLIFIER
REVISION PRA – SEPTEMBER 2017
Copyright © 2017, M2T ech Srl
3
www.m2tech.biz
Warning!
Changes or modifications not authorized by the manufacturer can invalidate the
compliance to CE regulations and cause the unit to be no more suitable to use. The
manufacturer refuses every responsibility regarding damages to people or things
due to the use of a unit which has been subject to unauthorized modifications or to
misuse or to malfunction of a unit which has been subject to unauthorized
modifications.
This unit is compliant with the following CE regulations: CEI EN 55022:2009 Class B (Radiated Emissions),
CEI EN 55024:1999, CEI EN 55024:A2/2003, CEI EN 55024:IS1/2008 (Radio Frequency Electromagnetic
Fields, 50Hz Magnetic Field Immunity Test and Electrostatic Discharges – ESD).
For a proper operation of this unit, all connections to other equipment in the system must be done
when all equipment are off. Failing to comply with this advice may lead to damage to the CROSBY.
The label above, printed on the product case, indicates that the product, when no more usable, can’t be
treated as generic garbage, but must be disposed of at a collection point for recycling of electrical and
electronic equipment, in compliance with the WEEE regulation (Waste of Electrical and Electronic
Equipment).
By making sure that this unit is correctly recycled, you will help preventing potential damages to environment
and human health, which could be caused by a wrong treatment of this product as generic garbage.
Materials’ recycling helps saving natural resources. For more in-depth information about recycling this
product, please contact M2Tech Srl.
WARNING: the information contained in this manual are considered to be reliable and accurate.
M2Tech reserves the right to change or modify the information any time, without prior advice. It’s up
to the customer to ensure that the manual being consulted is the latest version.

CROSBY
STEREO POWER AMPLIFIER
REVISION PRA – SEPTEMBER 2017
Copyright © 2017, M2T ech Srl
4
www.m2tech.biz
Dear customer,
Thank you for purchasing CROSBY. You are the owner of a very high quality power amplifier
with many unique features, designed to obtain the best performance in conjunction with
every M2Tech product.
CROSBY implements a specific set of technological and functional solutions, from the high
efficiency class-D power stage, to a wealth of inputs, to the ability to operate in bridged
mono mode for increased power, to the trigger inputs.
CROSBY is provided with a refined overcurrent and overtemperature sensing circuitry to
protect the amplifier from overloads, at the same time allowing music to flow effortlessly to
your speakers.
We’re sure that your expectations will be fulfilled by purchasing CROSBY: your hi-fi system
will exhibit an incredible increase of its sonic performance, so you can now prepare for a
whole new listening experience!
Nadia Marino, CEO
Please note here your CROSBY serial number and purchase info for future reference:
S/N: _______________________ Date of Purchase: _________________________
Place of Purchase__________________________
Note: Proof of retail purchase, such as your purchase receipt, will be required in the unlikely event
that any warranty service will be required

CROSBY
STEREO POWER AMPLIFIER
REVISION PRA – SEPTEMBER 2017
Copyright © 2017, M2T ech Srl
5
www.m2tech.biz
TABLE OF CONTENTS
1. Unpacking and Placing the Unit.......................................................................................7
2. Front Panel ......................................................................................................................9
3. Back Panel.....................................................................................................................11
4. Connecting and Powering the Unit.................................................................................13
5. Cleaning the Unit ...........................................................................................................13
6. Bridged Mono Mode.......................................................................................................15
7. Trigger ...........................................................................................................................15
8. Overload and Protection ................................................................................................15
9. Specifications.................................................................................................................17

CROSBY
STEREO POWER AMPLIFIER
REVISION PRA – SEPTEMBER 2017
Copyright © 2017, M2T ech Srl
6