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HANSONG
1
INTRODUCTION
1.1
General Product Description
The "BM240" is an amplifier box for built-in power supply ,It Can play optical source ,
bluetooth source and Aux source music. It includes a left and a right channel for
stereo.There is a pair button and an indication of RGB lights.and a dial switch for selecting a
different EQ .
1.2
Definitions, Acronyms, Symbols and Abbreviations
Abbreviation
CRS
EMC
LED
N/A
Oct
TA
TBC
TBD
ID
DV or DVT
DM or DMT
FM
RMS
PHC
RH
ESD
S/N
THD
EUT
SoC
FR
OEM
&
[Product Specification]
Comment
Customer requirements
Specifications
Electro Magnetic Compatibility
Light Emitting Diode
Not Applicable
octave
Type Approval
To be confirmed
To be defined
Industrial Design
Design Verification Test
Design Maturity Test
Frequency Modulation
Root Mean Square
Power Handling Capacity
Relative Humidity
Electro Static Discharge
Signal to Noise Ratio
Total Harmonic Distortion
Equipment Under Test
Statement of Conformance
Flame Retardants
Original Equipment Manu fact.
Important remark
Table 1 Definitions
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汉桑（南京）科技有限公司
（
）
HANSONG
N ANJING
T ECHNOLOGY CO. , LTD.
Abbreviation
Comment
dB
Decibel: Unit of Sound Level
Hz
Hertz: Unit of Frequency
BSMI
Bureau of Standards, Metrology and
Inspection
SASO
Saudi Arabian Standards Organization
NOM
Norma's Officials Mexicans
PC
Polycarbonate
ABS
Acrylonitrile Butadiene Styrene
POM
Polyoxymethylene
CE
Conformité Européenne
FCC
Federal Communications Commission
ODM
Original Design Manufacturer
PSS&L
Product Safety, Security & Liability
50N
50 Newton
TR
Trial Run
TCMF
Test Case Management File
PMPO
Peak Music Power Output
IEC
Intern. Electro technical Commission
Fo
Resonance Frequency
TPU
Thermo Plastic Urethane
SPL
Sound Pressure Level
HDMI
High-Definition Multimedia Interface
HDCP
High-bandwidth Digital Content Protect.
CEC
Consumer Electronics Control
FRS
Functional Requirement Specification
[2019-12-06]
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