SMSL SA-50 50WPC TDA7492 Class T Hi-Fi Digital Amplifier + Power Adapter

SKU: FM831
Price: US$72.98
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  • Real 2 * 50W Stereo circuit design
  • Achieving high-level / all original parts manufacturing
  • Advanced oxidation process grain pull aluminum shell
  • Delta OEM DC24V 4.5A (108W) power supply, over-current point 6A


Can be plug in PC / Ipod, MP3, MP4, CD Player
It is easy to install w/o mannual, you can use it at your home or office.
Panel Color : Silver (We will send the color silver, if buyer want to choose black or golden color, please leave a note on paypal)
Case Color : Black
Case Material : Aluminum
Size : 150mm (D) x 43mm (W) x 92mm (H) (including protruding parts)

1. Impendance: 4-8 Ohms

2·Real 2 * 50W Stereo circuit design;

3·The internal parallel the fever Philips 6600uf filter capacitor (reservoir) to meet the power needs of bursting, voice switching power supply side to solve delicate problems;

4·thereby achieving high-level / all original parts manufacturing;

5·advanced oxidation process grain pull aluminum shell;

6·Delta OEM DC24V 4.5A (108W) power supply, over-current point 6A.

The machine is BTL output, that is to negative side of speaker out is not public grounded (the two speakers cable must independent connect, no grounding together), we must strictly in accordance with the marking of plus or minus cable connection, this T amp is not recommend for car or bike use.

Output :
Speaker OUT (Left) x 1 pair (+ / -)
Speaker OUT (Right) x 1 pair (+ / -) 
Power Indicator (Blue LED) around the volume control x 1
Power Supply input DC 24V 4.5A

SA-50 Amplifier * 1
DC24V power supply * 1

Customer Questions & Answers


Hi ,  IS the power ourtput (50 W X 2) for a 4 ohm or 8 ohm Speaker impedance?

8/18/14 10:27 AM Asked.

Yes, It can work for a 4 ohm or 8 ohm Speaker impedance. Thanks.

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Does this amp comes with a EU power adapter?

3/9/16 9:21 AM Asked.

Yes. If you need EU power adapter, just contact me. I will arrange that for you.

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Alex Munro
Alex Munro

Need a new dc 24v power supply for SA-50 amp.Can you supply,if so how much including postage to Australia.    Thanks,Alex

6/21/17 2:55 AM Asked.

Hi Alex,it's 25usd including shipping fee.Thank you.

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Hello. Will they also sell the SA-50 plus? If so, from what date? Greetings Adi

8/9/17 3:36 PM Asked.

Hi Adi,we haven't sell SA-50 plus.Thank you.

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Shazzad Shahid
Shazzad Shahid

Hi , suddenly my sa50 not working. The problem is when I turn on the device with power button then volume knob lighten up with blue led after 2-3 seconds lights go down and no output.  After 5-10 minutes power off when I turn it on again same problem happens.

3/18/18 2:51 AM Asked.

Hi, thank you for contacting us regarding your issue.  First, please you can check the power supply and your power cable, it's better to confirm if the problem is on the power supply or the amplifier.  Second, please you can contact with your seller to do your after-sales service, if they cann't offer the support to you, we can help you to contact with the manufacturer to solve your problem.  Looking forward to your update for your problem.  Thanks and best regards.  

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