1. The document describes the specifications of a notebook speaker, including its dimensions, electrical and acoustic characteristics, frequency response, and operating temperature range. 2. Key specifications include dimensions of 40x28.2x12mm, a resonance frequency of 450±20%Hz, an output sound pressure level of 82±3dB/1W from 0.5-1.2kHz, and an operating temperature range of -20°C to 65°C. 3. A graph shows the speaker's frequency response from 20Hz to 20kHz.

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APPEARANCE
A
SPECIFICATION A
Electrical and Acoustic Characteristics.
Dimensions 40x28.2x12mm
AC Impedance 8±15% at 2000Hz
Rated Input Power 1.0W
B Max. input power 2.0W B
Resonance Frequency 450±20%Hz
Output Sound Pressure Level 82±3dB/1W 0.5M at
0.6,0.8,1.0,1.2KHz Average
Frequency Response Fo~11KHz
Operating Temperature -20~+65
C Storage Temperature -30~+70 C
DIMENSIONS FREQUENCY RESPONSE:
100
D 90
D
Sound Pressure Level (dB)
dB
80
70
60
E E
50
20 50 100 200 500 1k 2k 5k 10k 20k
UNLESS OHERWISE SPECIFIED
DIMENSION ARE IN MILIMETER
MATERIAL TIANER TECHNOLOGY CO., LTD.
AND (INCHES) SILICONE RUBBER 60O http://www.itianer.com
DECIMALS ANGLES FINISH TITLE
.XX ±0.50 (0.02)
.XXX±0.025 (0.001) ±1 O BLACK
Notebook Speaker
F F
DO NOT SCALE DRAWING
DWN BY DATE
THIRD ANGLE PROJEC TIO N
CHK BY DATE UNIT DWG NO/ PART NO REV
mm TE-DL4028A-8H12 01
DESIGN DATE SHEET
SCALE 5:1 RELEASE DATE 2009/12/23
J.M. ‘09/08/22
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