Nobsound Hybird Tube Headphone Amplifier USB Decorder DAC Preamp Hifi Power AMP For Sale

Store Category Store Newsletter

Add my Store to your Favourites and receive my email newsletters about new items and special promotions!

Why Shop With Us Description

Description Nobsound Hybird Tube Headphone Amplifier USB Decorder DAC Preamp Hifi Power AMPThis is our Douk audio own brand Nobsound, Multi-function Hybird tube hifi amplifier, Can easily push main parameters:

• With original 18-600 ohms
• Output power: 3.5 W (600 ohms)
• The level of output: max50v RMS
• The output frequency response: 20hz to 20kHz- 3db
• The output signal-to-noise: >109 db "A" - WTD
• Total harmonic distortion: < 0.008% 20Hz to 20 kHz
• The USB input: CM108 support USB2.0
• DAC: TDA1305T
• Line input: national standard double lotus RCA head analog input
• Line output: national standard double lotus RCA analog output
• Stereo headphone output: 6.35 socket
• Support system: Win 2K, Win XP, Vista, Win 7 (32/64), Win 8, Mac OS X
• The input voltage: 110V/220V AC 50/60 Hz
• Static power: 35Watts
• The host size: 230*170*180 /tube 200
• Net weight: 3kg
• gross weight: 3.5kg

Package:

• 1PC amplifier
• 1PC USB cable
• 1PC power cord

Note:

1. The tubes take approximately 15 seconds to warm up before producing proper sound.

2. This DAC is complete Class A design, power dissipation is 40W. Keep the tubes ventilated to avoid overheating. It is normal for tubes to heat up during operation, do not worry about it.

3. For protection purposes, there is a thermal switch set at 95degrees C. proper operating temp indoor is under 38C. if it goes into thermal protection, it will take about 15 minutes to cool, restart and return to normal function.

4. There is a burn-in period for the tubes that will take about 2 hours of play for approx.1 month.

Method of connecting:
1, computer = = > 3.5 turn RCA line= = > the machine= = >headphones
2, CD machine = = > RCA of RCA line= = > the machine = = > headphones
3, IPAD = = > 3.5 turn RCA line= = > the machine = = > headphones
4, computer USB = = > this machine ( with decoder) = = > headphonesProduct Show：

• Delivery details
• Payment
• Terms of sales
• About us
• Contact us

Delivery details

• Note: We are not responsible for any customs duty or fee.
• Please send us a note about shipping detail via when you make payment (include telephone number, contact person, input voltage, color, etc.).
• Shipping cost includes postage, packaging, and handling fee, which is in agreement with 's rules. If you have any disagreement, please read the 's rules regarding shipping cost carefully. We don't add a surcharge on shipping thus the shipping charge is firm and non-negotiable.
• Shipping method: item will be shipped within 2 working days upon receipt of FULL payment. It is noted that PayPal pending payment (such as eCheck) may take up to 5 working days to clear. We use air mail (18-28 days to most countries), or expedited service such as EMS or DHL (5-10 days to most countries).

• No Combined Shipment: Combine shipping is not available since AIRMAIL POST charges the postage based on weight rather than number of boxes.

• Customs Clearance

We are NOT responsible for any import tax,customs fees or customs delay.

Buyer cannot request cancellation of the saleor request for refund under this situation.

Please check with your local tax orimport authorities BEFORE offerding.

Payment

• PAYPAL Only --Buyer must pay using PAYPAL ONLY within 7 days from the date of transaction made.

• Full Payment --Transaction with insufficient payment will not be handled. So, please make you complete the full payment, including Final price + Postage.

• No Discount --No discount is offered for all transactions.

• Processing --We will arrange the dispatch within two working days after we receive the valid and completed payment.

Terms of sales

Terms of Sales

We offer 1-year manufacturerwarranty (some exclusions may apply).

• In In case of “dead on arrival”(DOA), please notify us immediately within 3 business days and return the casewithin 7 days after receiving the items. (The postmark date is applicable.).All of our items were inspected before shipping. We provide technical supportvia email. If the problem cannot be resolved and return is determined to be thebest solution, after receiving the items in original condition, you may have areplacement or refund as soon as we cancel the order on . If it is anyreason other than product defect, shipping cost is non-refundable.

• If the item was sent back forrepair during the first 30 days, return shipping cost is the buyer’sresponsibility. We pay the 2nd shipping cost & handling.

• A fter the 30 days, if you askfor replacement or repair, you need to pay for the 2nd shipping cost &handling.

• If you return the item forreasons other than product defect or shipping damage, you will pay a 20 %restocking fee.

• In order to provide you the best service, please treat the transaction fairly. response is our life, before you leave a neutral or negative response, please DO contact us to get a better solution,We are always willing to workout a mutually agreeable solution with our customers.

• The address on the parcel isNOT the return address. Please contact us for thereturn address before you return it, otherwise we won’t get it.

About us

Weare dedicated to offer the best audio-visual products at the lowest price toour customers. Bringing great products and customer service, and thus helpenriching our customers’ lives is our ultimate goal.

Contact us

Please don't hesitate to contact us with any queries or comments about our items or your problem.
Please note that we are open Monday to Friday between 9:00 Am to 18:00 PM Beijing Time ,which means we can keep on-line at : Working time
Beijing(CN) MONDAY-Friday 09:00 AM - 18:00 AM New York(US)
Sunday to Thursday 20:00 PM - 05:00 AM London(UK) MONDAY-Friday 01:00 AM - 10:00 AM Paris(FR) MONDAY-Friday 02:00 AM - 11:00 AMDuring holiday ,pls allow us to response you early next week ,kindly not leaving negtive/neutral response or make dispute/claim out of our working hours, thank you for your cooperation Promotion

On Aug-19-15 at 23:27:39 PDT, seller added the following information: