Nobsound HiFi Bluetooth 5 0 JAN 5654 Valve Tube Preamp Bass Preamplifier Stereo Audio Headphone Amplifier USB DAC APTX
Nobsound HiFi Bluetooth 5 0 JAN 5654 Valve Tube Preamp Bass Preamplifier Stereo Audio Headphone Amplifier USB DAC APTX

Warm tips:
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Douk Audio P1 Preamp has been acclaimed by countless audiophiles worldwide, now we upgrade 6J5 to JAN 5654 tubes according to many audiophiles' feeback, the sound quality will greatly improved.
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P1 has been redesigned and tested thoudsand of times during 2021, the latest version (from 2022/01/10) has great improvement in the circuit layout, performance and sound quality.
Features
With 3 kinds of audio input(Bluetooth/USB/RCA) and 2 kinds of output(RCA/3.5mm headphone), P1 can be used as HiFi tube Preamp, USB DAC or headphone amp with HiFi clear, warm, dynamic, sweet tube sound, bringing extremely high-quality listening experience.
Bluetooth 5.0 (QCC3034) supporting APTX-HD lossless transmission. PC-USB (CM6642) supporting 24bit 192KHz and compatible with Windows/Mac/Linux system, matching well with many audio devices such as iPod, Phone, MP3 players, TV, Blu-ray players, Echo Dot, CD players, etc.
Adopting NE5532 op amp+classic 47 headphone amp architecture which can drive 32-300 ohms headphones, and a bypass switch is specially designed to turn on/off the tone control, more convenient to enjoy original sound or obtain more delicate sound with treble and bass control knob, adding much fun and higher playability.
Exquisite appearance with proper size, blue and orange light decorating vacuum tube, makes it fashionable and attractive, bringing wonderful auditory and visual enjoyment, very suitable for home and desktop audio system.
Parameters
Chip Architecture: CM6642+QCC3034+NE5532+classic 47
PC-USB Input Sampling Frequency
192K/24Bit
THD
0.01%
PC-USB System supported
XP/W7/W8/W10/MAC/Linux
Bluetooth VER
5.0
Headphone matching impedance
32-300Ω
SNR
103dB
Headphone Max power output
160mW 32Ω load
Working voltage
DC12V
Bass & Treble Range
±6dB
Product Dimension
18011836mm
RCA output level
2.3V
Product Weight
0.47kg
Frequency Range
20Hz-20kHz(±3dB)
Package Dimension
24021060mm
Packing List
1*P1 Preamp
2*JAN5654 Tube
1*Power Supply
1*USB Cable
1*Bluetooth Antenna
1*Manual
About Us :
We are dedicated to offer the best audio-visual products at the lowest price to our customers. Bringing great products and customer service, and thus help enriching our customers’ lives is our ultimate goal.
About shipping :
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WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
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Orders processed timely after the payment verification.
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We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
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We need a processing time for preparing the order to deploy products and process the china local shipping. After the International warehouse delivery, we shall provide u the tracking number in 5~10 days for the international shipping
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Import duties:Taxes and charges are not included in the item price or shipping charges.These charges are the buyer's responsibility.
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For Russia CU TRANS ship way, the tariff is include
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You should check the product's appearance (and tubes) safety before to sign receipt. else we can't seek compensation with the couriers.
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If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
Return&Refund:
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You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by buyer.
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All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.
About Guarantee:
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12 months Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
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Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY.
You agree to all of the above-listed policies upon ordering on aliexpress!
About feedback:
1.Since online shopping uncertainty, so thank u very much for choosing&trusting us.our service is ready to help u any time,your feedback is extremely important to us.
2.If you are satisfied, please leave 5 stars positive feedbacks, It’s very honored for us to achieve generous authentic assessments and photographs,thx!
3.Any product or shipping issue, please contact us before opening the dispute or leaving any nertral/negative feedback, we'll carefull to do our endeavor to solve problems to the most make you satisfied.
4.In case of returns, please contact us first, you describe the problems and reasons.Then we'll send you the return slip.For all other questions contact us by site message or email
Product specifications
Mi Home app compatible:Probably NO
Audio inputs:Stereo L/R RCA, USB, Bluetooth
Audio outputs:Analog Audio, Headphone Jack, Preamp, Stereo L/R RCA
Brand name:Nobsound
Channels:2 (2.0)
Hign-concerned chemical:None
Maximum power per channel:NO POWER
Model number:P1
Origin:Mainland China
Package:Yes
Type:Tube Pre-Amplifier
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Where to buy
90.99- 90.99from 1 sellers