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This is a 2x50W audio amplifier which has integrated TI’s TPA3116 as the driver. It has a perfect class-D architecture and each channel has 50W power output. This board can be powered by any DC 12V-24V power supply. It can be used to drive any 4Ω or 8Ω passive speakers. There is an ON/OFF switch and a volume knob on the front panel.

 Specification:

TA = 20℃, fIN = 1 kHz sine wave, RL = 4Ω. (Unless otherwise stated)

Parameter

Condition

Min

Typ

Max

Supply Voltage (VDC)

-

12

21 24

Idle Power

SD Floating

-

1.3W

2.5W

Standby Power

SD Connected to GND

-

0.1W

0.3W

Maximum Current

100W @ 4Ohm

-

5.29A

-

Efficiency

50W @ 4Ohm

87% - 92%

Minimum Load Impedance

 

3.2Ω

   

Switching Frequency

SD Floating

- 394KHZ -
Gain   24dB 25dB 26dB

Input Sensitivity(RMS)

@4Ω, 50W, 1KHz

- 808mV -

Input Impedance

- - 22KΩ -

Output Power

@4Ω THD+N 1%

- 36W -

@4Ω THD+N 10%

- 50W -

Bandwidth @ ±3dB

@4Ω

20Hz

- 20KHz

THD

@4Ω, 1W, 1KHz

-

0.0299%

-

@4Ω, 10W, 1KHz

-

0.073%

-

Features:

  • Dimension: 16cm x 7.5cm x 4.8cm
  • Weight: 420g
  • Working voltage: DC 12V-24V
  • Over temperature protection
  • Overcurrent protection

Applications:

  • Personal computer
  • Desktop amplifier
  • MP3, Video CD output Amplification
  • Home Theater
  • Powered DVD Systems
  • All the order are shipped within 2 business days. 
  • Products are either shipped from China or Australia. Item locations are mentioned on the product page.
  • Customers will receive tracking code if they have selected the 'shipping method with a tracking code'.
  • Returns are accepted if the customers return the items within 1 month to our address in Australia. If the item has been shipped from China, the customer still has to return the item to Australia. 
  • Return post fees have to be paid by customers. If the product is defective, we will pay the shipping fees.

 

Shipping fees for Australian addresses(Item Location: Australia):

  • Standard Post- using Australia Post: US $5.95 ~ AU $9.00 
  • Express Post: US $9.95 ~ AU $15.00

 

Shipping fees for international addresses (Item Location: Australia):

  • Economy Post (with NO tracking code): US $6.50 ~ AU $9.95
  • Standard Post with tracking code: US $17.50 ~ AU $26.50
  • Express Post with tracking code: US $36.50 ~ AU $55.00

 

Shipping fees for Australian and international addresses:(Item location: China):

  • Registered post with a tracking code: US $3.95 ~ AU $6.00 
  • Express Post with tracking code: US $25.00 ~ AU $38.00 

 

How long does it take to reach the USA, UK, Germany, Australia Canada and other EU countries?  

From China: If we ship from China, the delivery time can be from 7 working days to 15 working days. See the proof on the images below. US based orders are delivered more quickly than other countries.

Most of the USA, UK, Canada, Australia, and Germany  based orders are delivered within 7 days. However, because of customs related processes, it can sometimes take up to 15 days.  Check out all the shipment proof images on this page. 

 

From Australia: If you have chosen standard post, you will receive your parcel in 3-5 days (in Australia) and 5-7 days (outside Australia)

If you have chosen economy post, you will receive your parcel in 3-5 days (in Australia) and 15-25 days (outside Australia)

 

What is the proof that we really ship and they are delivered ?

 Check out all the shipment proof images on this page. 

 

Where do we ship from ? 

We ship our products from Australia and China depending upon what you purchase. BuildCircuit's original products are shipped from Australia. 

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