USB Type C to 3.5mm Audio Adapter CX31993 HiFi DAC Headphone Amplifier Audio Interface Earphone Amplifier SNR128dB 32b/384kHz
25.94 18.15 $
SALE
ID: 104773
Quantity
Douk Audio U3 Mini Pure Class A Headphone Amplifier HiFi Ultra-compact Home Desktop Stereo Amp for HD580/HD600/HD650 Headsets
4.9 (81 votes)
Price:
US $77.11
/ piece
Discount Price:
US $
56.98
/ piece
-26%
- Ships From
Warm tips:
Not inlcude power adapter, recommend to use original high-quality power adapter above 5W.
For example: the current should be above 1A if use DC 5V while need above 0.5A if use DC 12V power adapter.
Not inlcude power adapter, recommend to use original high-quality power adapter above 5W.
For example: the current should be above 1A if use DC 5V while need above 0.5A if use DC 12V power adapter.
Features
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Adopting innovative circuit design, DC 5-20V wide input working voltage, the amplifier circuit can always work at a high voltage of 26V, and the background noise index is excellent. With wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range.
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Adopting original TI-NE5532 classical op amp and transistor expanding current circuit, using 1300mA large current output transistor working in class A status, with ultra-low distortion, and the sound is warm and delicate, full and mellow.
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Pluggable op amp socket design, convenient to upgrade different op amps and bring much DIY fun and playability for audiophiles. Smooth and mellow sound, suitable for listening to vocals or string music, classic or pop music, and even with unique charm when playing rock.
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Mini size with exquisite appearance and most cost-effective, brings big surprise for all audiophiles, easily to drive most headphones in the market, providing larger power, better sound field and details, very suitable for home/office desltop audio system use.
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With stong drive power, easily to drive most high-impedance headphones such as:
HD580/HD600/HD650K701/K702/Q701DT880/T70/T90SR225/SR325/RS1e
Parameters:
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Audio input: stereo L/R RCA
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Audio output: 6.35mm headphone jack (with 6.35mm to 3.5mm adapter)
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Output power: ≥1300mW (32Ω)
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Matched headphone impedance: 18-600Ω
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Frequency response: 20-30KHz
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Signal to noise ratio: ≥110DB
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Max output amplitude voltage: 25V
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Input voltage: DC 5-20V
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Dimension(W*D*H): 67*93*30mm / 2.64*3.66*1.18in
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Net weight: 169g / 0.37lb
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Package weight: 310g / 0.68lb
Packing List
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1*U3 Headphone Amplifier
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1*USB to DC Cable
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1*6.35mm to 3.5mm Headphone Adapter
- Body Material: Metal
- Bluetooth: No
- DSD (Direct Stream Digital): No
- Operational Amplifier Chips Model: NE5532
- Channels: 2 (2.0)
- Package: YES
- Output Power: 1300mW
- Model Number: U3
- Type: Mini Amplifier
- Recommended Headphone Maximum Impedance: 501-600 Ohm
- Built-in Battery: No
- Output Type: LINE OUT (AUDIO OUT)
- Input Type: RCA
- Brand Name: Douk Audio
- Origin: Mainland China
- Certification: CE
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 location 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 |
Do you provide tracking information?
Yes, you will receive an email once your order ships that contains your tracking information.
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.
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, if you’d like a refund you can request one no matter the reason.
If you did not receive the product within the guaranteed time(60 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 receive you may request a refund but you must return the item at your expense and the item must be unused.
- 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 CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
- Other exceptional circumstances outside the control of cntronic.com
*You can submit refund requests within 15 days after the guaranteed period for delivery (60 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.
LARGE ORDER DEALS
Thank you for your interest doing business with us!
If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.
