Topping MX3 DAC with built-in Bluetooth receiver headphone amp Digital amplifier

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Price: $139.99
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MX3 use OP+BUF headphone amp to provide 257mW(32ohm) output power,which is 190% of VX3.Beside,MX3's built-in headphone amp provide 0.006%THD+N,and 20-200KHz frequency response.

Exquisite aluminum case
We designed MX3's case by arcs and lines and combined with the design of hidden screws,which make no screws on front panle and around.In order to have a better surface,we use same surface with MAC BOOK.


Auto On/Off function for all digital inputs except AUX
Connect to Bluetooth by NFC
Selectable Bypass/Treble and Bass tone control
Adjustable screen brightness
dB/Step Volume display
Remote control

Auto On/Off
MX3 willturn on and turn off synchronize with your digital signal inputs(This function does not supported for AUX input).

You can connect Bluetooth input by closing to the NFC label.

1.PC's power amp&headphone amp
MX3's built-in DAC is much better than PC's built-in sound card.So we suggest you to connect your PC'S coaxial/optical/USB to MX3's input,then connect MX3 to your speaker and headphone.You can also connect a active subwoofer to MX3.

2.Bluetooth power amp+headphone amp
You can close to the MX3's NFC label to fast connect MX3's Bluetooth input and enjoy Bluetooth music by speaker or headphone.If your phone or tablet does not has NFC,you can search Bluetooth to connect.Close to the NFC label again to disconnect Bluetooth.

3.Bluetooth receiver
MX3 could serve as a Bluetooth receiver.Close to the MX3's NFC label to fast connect MX3's Bluetooth input and enjoy Bluetooth music.If your phone or tablet dones not has NFC,you can search Bluetooth to connect.Close to the NFC label again to disconnect Bluetooth.You can connect output signal from headphone out.

4.Amplifier for disc player&digital player
You can connect the cozxial/optical output of your disc player/digital player to MX3.Then you can enjoy music without buting a DAC.

5.Simple power amp&headphone amp
MX3 could also serve as a simple power amp%headphone amp.Input signal could be player,dac,TV,phone,PC and etc.

If you want to use other amplifier,MX3 COULD SERVE AS dac+Pre-amplifier.Connect input signal to BT/USB/Optical/Coaxial/AUX,then connect output signal from headphone output.

7.Simple Pre-amplifier
If your system already has amplifier and DAC,MX3 could serve as a simple pre-amplifier.

New weight:475g
Power input:DC24V/3.75A
Signal input:BT/USB/OPT/COAX/AUX
Headphone output:1*3.5mm
Speaker output:Banana jack,BLT output
Subwoofer output:RCA*1
Display screen:Orange LED

Audio Spec

AUX in

Headphone output

THD+N(A-weighting):<0.006% at 1KHz;output=130mW RL=32ohms

SNR(A-weighting):>103dB at 1KHz

Frequency response:20Hz-200KHz(±0.1dB)

Output voltage:10Vpp


Cross talk:-93dB@1KHz




Output impedance<0.4ohms


Output power :257mW*2 at 32ohms THD+N<1%;42mW*2 at 300ohms THD+N<1%

Suitable load Impedance:16-300ohms

Speaker output

THD+N(A-weighting):<0.05% at 1KHz;output=20W RL=8ohms

SNR(A-weighting):>91dB at 1KHz

Frequency response:20Hz-20KHz(±0.8dB)

Output voltage:46Vpp


Cross talk:-75dB@1KHz


Output impedance<0.2ohms


Output power :38mW*2 at 8ohms THD+N<1%;40mW*2 at 4ohms THD+N<1%

Suitable load Impedance:4-8ohms


DAC Spec

USB IN:44.1KHz-96KHz/16Bit-24Bit

OPT/COAX IN: 44.1KHz-96KHz/16Bit-24Bit


Contents list:

Power adapter*1
Power cord*1
USB cable*1
Remote control*1
NFC label*1
User's manual*1
Warranty card*1

Shipping Fees

Worldwide Free Shipping on SHENZHENAUDIO, Please allow 1-3 business days for conduct Quality Control in order to ensure the products quality.

If a customer would like the order reshipped, they’ll be charged a reshipment fee. Customers may also be subject to a restocking fee of up to 20 percent of the product cost.

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Given the amount of shipping partners we work with and the vast coverage area we serve, there are likely regions with much longer transit times than others. If you have any feedback, suggestions, or problems with the courier of your shipment, please feel free to submit a support ticket via the "Contact Us" button below.

Our goal is to provide our customers with the best shipping experience possible at a reasonable cost. This is why we constantly negotiate with existing shipping partners for lower rates and actively test new couriers for potential opportunities.

PO boxes or APO/FPO

The ability to ship to PO boxes or an APO/FPO address depends on the item's weight. If an item weighs more than 9 pounds, we won’t be able to ship to these addresses because of our current courier agreements.

To determine if your order is eligible for shipment to PO boxes or an APO/FPO address, please contact SHENZHENAUDIO Support.

Estimated Delivery Time

For customers in the continental United States:
5 to 14 business days from the date of shipping

For customers in Hawaii and Puerto Rico:
2 to 4 weeks from the date of shipping
International customers can expect longer shipping times, depending on the country in which they live:

Canada: 1 to 3 weeks from the date of shipping
Australia, New Zealand, Germany, France, and the UK: 2 to 4 weeks from the date of shipping
Other countries not listed above: 3 to 6 weeks from the date of shipping

Please keep in mind that these are rough estimates and shipments can be delayed due to unforeseen circumstances, like postal strikes or severe weather.

If, for some reason, you don’t receive your order within the estimated time frame provided above and suspect that it might be lost in transit, please submit a support ticket from your transactions page and we can look into the order with the courier. Lost-in-transit requests must be submitted to SHENZHENAUDIO Support within 4 months of the date of shipping or before the courier archives the tracking information.

Easy 30-Day Return Policy

If you are dissatisfied with your purchase for any reason, you may return it to SHENZHENAUDIO within 30 days of the received date, subject to the conditions and exclusions below.

Eligibility Conditions

Please read conditions below. If all conditions are not met, SHENZHENAUDIO reserves the right to refuse the return. All returned items must be in new condition, in their original unaltered box (including an intact UPC code) and must include all packing material, blank warranty cards, manuals and accessories. SHENZHENAUDIO can only refund the original purchase price. Shipping and handling fees are nonrefundable.

Defective or Damaged Items

Defective items may be repaired, exchanged or refunded at our discretion for the same model or manufacturer's equivalent model.


Depending on where you live, the time it may take for your exchanged product to reach you, may vary. Please allow 3-5 business days for mail-in exchanges to be processed.

Refunds & Credits

Once we receive and inspect your item(s), we will credit your account. Please allow 5-7 days for a credit to appear on your account. In most cases, we will issue your refund in the same way you made the original purchase. Please note: we can only refund the original purchase price. Shipping and handling fees are nonrefundable.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.


To return your product, you should mail your product to: 4F 405, Building F, No.2 Shangxue Science and Technology North, Bantian Street, Longgang Dist, ShenZhen, 518129 Guangdong, China

If you’ve done all of this and you still have not received your refund yet, please contact us at