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Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W
Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W

Douk Audio HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver Valve MM Phono Turntable Amp Stereo Audio Amp APTX-HD 160W+160W

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Introduction
Douk Audio X1 tube power amplifier is the fully upgrading version in all aspects, using GE5654 vacuum tube to impove the sound quality, TDA7498E amp IC that can max output 160W+160W to drive all home speakers, integrating the function of phono preamp and amplifier to support MM phono turntables input, and adding a low frequency output that can connect active subwoofer to build 2.1 channel audio system.

Features
  • Bluetooth 5.0 & Stereo RCA & MM Phono inputs: can be used as tube amp or MM phono amp, and input signal can be losslessly switched via input selection, perfectly compatible with most audio device such as phone, computer, TV, CD player, DAC, MM record player and so on.

  • GE5654 vacuum tube & HiFi Sound: filter out the digital sound of common audio sources to get warm and sweet, delicate and mellow sound, much softer and more listenable, full in mid, powerful in low and clear in high frequency. No need to change or upgrade other vacuum tubes.

  • Super large output power & low frequency output: adopting TDA7498E amp IC whose max output power can reach 160W+160W(4Ω), and equipped with 32V/5A power supply, easily to drive most home passive speakers. And adding subwoofer output, convenient to connect active subwoofer and build 2.1 audio system.

  • Perfect Design & Powerful function: with tone control, easy to get more smooth and delicate sound by adjusting treble and bass knob, and bypass function is added to enjoy original sound. Vacuum tube circuit can be also bypassed, easy to compare the difference digital sound and tube sound, adding much fun and higher playability.

  • Mature Circuit & HiFi Components:

Double PCB design, perfectly integrated the MM phono circuit. Reasonable and concise layout, less wiring and less noise.

Adopting QCC3008 Bluetooth chip, with strong compatibility and supports APTX and APTX-LL lessless transmission.
NE5532 op amp responsible for pre-amplification and tone control, with excellent dynamic, rich details and wide sound field.
Customized whole aluminum alloy case with good heat dissipation, and use Simens capacitors, NEC relay, red loop inductance, pure copper gold-plated terminas etc.
  • Exquisite Appearance & Proper Size: metal black case and vacuum tube with blue and orange decorating light looks fashionable and attractive, designed input switch / tube and tone pass & bypass switch, very convenient to use and suitable for stereo home and desktop audio system.


Parameters
  • Audio input: Bluetooth 5.0 / stereo L/R RCA / MM Phono & Turntables

  • Audio output: banana speaker jacks / Low frequency output (connect active subwoofer)

  • Bluetooth chip: QCC3008 (support APTX / APTX-LL)

  • Amp IC: TDA7498E

  • Op amp: NE5532

  • Max output power: 160W+160W(4Ω load)

  • Speaker impedance: 4-8Ω

  • Frequency response: 20Hz-20KHz(±3dB)

  • SNR: >90dB

  • THD: 0.5%

  • Input sensitivity: 0.775V

  • Treble and Bass range: ±6dB

  • Working voltage: DC 19V-35V

  • Dimensions(W*D*H): 115*166*60mm / 4.53*6.54*2.36in

  • Package dimensions(W*D*H): 320*280*80mm / 12.60*11.02*3.15in

  • Net weight: 782g / 1.72lb

  • Package weight: 1400g / 3.09lb


Packing List
  • 1*X1 Amplifier

  • 2*GE 5654 Vacuum Tube

  • 1*32V/5A Power Supply

  • 1*Bluetooth Antenna

  • 1*User Manual

Brand Name:
Nobsound
Certification:
CE
Origin:
CN(Origin)
Maximum Power Per Channel:
131-200W
Package:
Yes
Channels:
2 (2.0)
Model Number:
X1
Type:
Vacuum Tube Amplifier

SHIPPING AND DELIVERY

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

REFUNDS & RETURNS POLICY

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Buying & arriving (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://fastedoor.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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