Item Description

DTS/AC-3 Home Theater 5.1/2.1-Channel Audio Decoder  




          DTS/AC-3 audio decoder, are widely used in the computer PC, laptop, PS3, XBOX360, HD players, HD set-top boxes, DM500/DM800, Blu-ray DVD, HD-CD, KTV audio and other audio and video output of the source audio signal decode. Restore to DTS/AC-3 Dolby sound field. Take the old 5.1 amp, audio and stereo 2.1 speakers. For many families, schools, squares, concert halls, KTV, movie theaters and other places to enjoy DTS/AC-3 Dolby sound field effects caused by shock.



1): extensive input and output interfaces: input optical fiber, coaxial, analog 3.5mm audio. Output SW, CE, SR, SL, FR, FL
2): high-speed audio decoder chip can decode DTS / Dolby AC-3 digital audio source
3): wide range of applications: computer PC, laptop, PS3, XBOX360, HD players, HD set-top boxes, DM500/DM800, Blu-ray DVD, HD-CD, KTV audio
4): refined products, simple, plug and play, mobile and strong


1): support for digital DTS, Dolby AC-3 audio signal source decoding, the output of 5.1 or 2.1 channel analog audio signal
2): Support for analog stereo (R / L) audio signal is decoded, the output of 5.1 or 2.1 channel analog audio signal
3): all the way to digital OPTICAL (optical) audio signal input, one digital COAXIAL (coaxial) audio signal input, one analog AUX (stereo) input. More complete multi-channel digital audio and analog audio input
4): multi-channel signal input, one-button switch, convenient
5): Power auto-detection signal input channel, switch to a signal input channel, when no signal input, output mute function
6): 6 RCA (RCA) output, 5.1 or 2.1-channel analog output, one-button switch, power and memory saving
7): 24-bit audio DSP, 96KHZ/24bit ADC and DAC digital processing chip
8): noise ratio: 120db
9): Separation: 80db (1KHZ)
10): Frequency response: 20HZ-20KHZ ? 0.5db
11): Analog output level: 2.2V
12): Product Size: 108 * 75 * 26mm


Interface Specification:


1): DC/9V: DC 9 V 1 A power input adapter
2): POWER: power, POWER LED red light
3): OPTICAL: Digital Optical (OPTICAL) audio signal input
4): D1: When the signal input to digital optical audio signal input, D1 LED blue lights
5): COAXIAL: Digital Coaxial (COAXIAL) audio signal input
6): D2: When the signal input to digital coaxial audio input, D2 LED blue lights
7): AUX: 3.5mm stereo analog input interface
8): 5.1/2.1: Output channel mode switching button, Cycle 5.1 and 2.1 channel
9): SW: switch the key input channel (optical fiber, coaxial, analog stereo) Cycle
10): SW: Subwoofer output channels
11): CE: in the center channel output
12): SR: Right surround channel output
13): SL: Left surround channel output
14): FR: Front right channel output
15): FL: Front left channel output

Packa ge Included:





SX-512 Audio Decoder



Power Adapter


DC 9V 1A

Fiber Cable






    We will send you AC adapter standard (US or EU) according to your registered country if you don't tell us your requirement.

     We will send you a AU or UK plug except for US or EU adapter if you need AU or UK standard.



1. We accepted only PayPal (Excluding Bank Cheque)

    Pay with PayPal

2. Please send your payment for your item within 7 days after auction ended. All no pay bidders will result in a non-paying buyer alert from Ebay and negative feedback from seller.



1. We will ship your item within 72 hours upon payment cleared. Contact us if  the item  has not arrived  after 3 weeks

2.We provide worldwide shipping


3. normal we send it by Hong Kong Registered Airmail or China Post Airmail.

      We also provide international Expressed delivery such as EMS, DHL , UPS and USPS

      (but you must add extra the shipping cost for the EMS,DHL , UPS or USPS)

4. Delivery time:
Shipping by Hong Kong Registered Airmail or   China Post Airmail


7-14 working days

United Kingdom .Australia.

8-20 working days

Other countries: US, Euro, Thailand, etc.

10-30 working days

Chile , France, Greece, Spain and Brazil

20-40 working days

India, Germany (due to strict custom policy)

  ? Shipping by EMS.
It will take 5~10 working days to be there.


5.We will send the item to the address of your Paypal registered. Please ensure your address is correct. If the item returns to us for the reason of your

       side ( wrong address or Customs or Post Office), we are glad to resend your item. But you should pay us the shipping and handling fees again.


6.We normally mark your item as GIFT, value (one item) less than US$30 on Customs Declaration.


7. We will NOT be responsible for any delay during delivery including but not limit to customs postage checking, strike etc.   


8. We are not responsible for any import tax or duty.

1.Normally we provide one year warranty for Chinese mobile phones. If the phone have any quality problem in one year ,we will repair it for free.

2.If the phone is quality broken during 7 days from receiving phone, We will  refund you after you send back the phone to us..

3.If the phone is quality broken during 20 days from receiving phone,we will arrange a replacement to you.

4.Buyer required paying for his own postage fees to return the item to us.

5.Please contact us first by email before returning your item, because some solutions may not require returning your item.

6.Returned item must be in new condition with all the accessories.

7.All warranties do not cover the damage due to misuse or compatibility.

8.Please email us first before leaving negative feedback. Give us a chance to serve  u. Thank U...

9.We do our best to serve each and every customer the best we can.




  1.If you have any questions or comments about our products or policies, please contact us by email( ) with your purchased

item number. (Simply leaving Negative or Neutral feedback can't solve the problem).

2.You also can contact us by leaving us an eBay message,we will be responded within 24hours.

3.Customer satisfactory is most important to us. If you have a problem or question regarding your transaction please contact us before leaving any type of feedback. Negative feedback does not solve anything. We are always willing to work things out, thank you!