
8: How much power does this use in standby mode? Can
this amp be left on all the time?
• This is the class D amplifier, it will cost very low power when it is
in standby mode. It can be connected all the time and it is safe
without power consumption.
9: Sound quality is not good?
• Decrease the volume of the input audio source and increase the
volume of the amplifier.
• Please make sure your speakers are passive speakers, not active
speakers.
• Please unplug the RCA input, connect this amp to your speakers,
then connect it to the power supply, switch on and volume up, to
hear whether noise or hum remain, if yes, the issue may from the
amplifier or your speakers, if not, the issue may from your RCA
cable or audio source, please change the audio source and audio
cable to try again.
• Please make sure all the cables are completely pushed into the
device, incompletely connections will create distortion.
• Please make sure the TDA7498E has enough power to drive your
speakers, check the specs of your speakers, and if you need
more power, you can use a more powerful power supply, such as
24V 8A, 24V 10A.
10: Should I unplug the power cord?
• If the item will not be used for a long time, please unplug the
power plug to prevent the item from being burnt due to lightning
strike.
11: Can I bridge channel 1 and channel 2 to get 320watts?
• NO, this amplifier can't be bridged.
the buzzing sound will disappear.
• Please make sure all the cables completely pushed into the
devices, incompletely connection will cause this cracking.
• Please remove all the inputs then check whether cracking noise
disappear or not, the cracking maybe from the audio source or
input cables.
• If you are not using the original factory standard power supply,
please replace the power supply before testing. Many power
supply in the market have large interference coefficient, which will
cause a lot of current sound.
6: Can I use headphone with this product?
• No, theTDA7498E can not be connected to headphones and only
supports passive speakers. If you want to connect to headphone,
you can choose our N2, PH04(4 CH).
7: Why there is no voice from my amplifier?
• Recheck speaker wire connections from the amplifier to each
speaker.
• Verify that the amplifier and your source components are turned
on.
• Please check that the AC wall outlet is on and working.
• Please check that the cable from the power supply is connected to
the amp and the power supply indicator is on.
• Please check that the volume/power knob on the front panel is
turned on and not set to the minimum volume.
• Please check that your audio source(iPad, computer, etc.) are
turned on and not set to the minimum volume, please change the
audio source if you can.
• Please check that the cables from your audio sources are working
and are properly connected.
• Please be sure the Power LED on the amp is on when you switch
it on.