Led Indicators; Volume Control; Notes - Sure Electronics TK2050 User Manual

2 X 100Watt Class D Audio Amplifier Board - TK2050

2.5 LED Indicators

This amplifier has 1 power LED indicator which is marked as "Status". It will be
illuminated in green when power-up.
FIGURE 2-4 LED INDICATOR

2.6 Volume Control

No potentiometer is provided for manually adjusting the volume. The volume control of
sound source like MP3 or PC can be used to adjust the volume of the audio output or a
50KΩ potentiometer can be installed by users themselves, which may cause signal
attenuation.
Please be aware that audio clippings may occur to some portable players because of the
audio source not the amplifier itself. The sensitivity of this amplifier is 0.520VRMS and
the audio signal of the same level should be input.

2.7 Notes

In order to protect amplifier board and extend its service lifetime, please read the
following warnings carefully since warranties will be voided if you do not observe the
following warnings:
Warning 1:
Quality-related issues caused by potentiometers installed by buyers.
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