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HiFi Dual AK4499EX Balanced Decoder Bluetooth USB DAC VU Meter DSD512 768K/32B

Item description

Features

  • With Bluetooth 5.1 / Coaxial / Optical / USB / 2 groups of IIS inputs, compatible with most audio devices such as phones, computers, tablets, TVs, TV, CD players etc. RCA / Balanced XLR output, very suitable for audiophiles who have various audio devices.
  • High-end materials and unique structures are adopted to ensure better performance:

Dual AK4499EX DAC chips work independently, also with 1PC AK4191, providing a larger dynamic range, lower distortion and higher resolution.

QCC5125 Bluetooth chip, supports ACC/SBC/APTX/LDAC; Italy Amanero XU208 USB chip, supports DSD512.

2PCS TALEMA sealed 25W transformers supply power and one gold-plated temperature compensated low phase noise clock crystal oscillator.

2PCS LT3042 ultra-low ripple LDO chips, 3 groups of primary voltage regulators, and 15 groups of secondary LD0 low ripple voltage regulators. MSP low ripple field-effect transistor superlinear voltage stabilizing circuit.

4PCS 10000μF main filter capacitor and a large number of MLCC ceramic capacitors; 6 fully discrete Class A op-amps.

  • Design an LCD screen that can display sampling rate, input mode, volume, etc. There are 6 filter display fonts, 4 display colors, and support left and right channel switching, adjusting the brightness of screen.
  • Design 2PCS VU meters with backlight, and it is also equipped with a full-function remote control to achieve settings. Many mechanical buttons on the panel that can adjust various settings, making it very convenient to use.

Parameters

  • Audio input: Bluetooth 5.1 / Coaxial / Optical / USB / 2 groups of IIS
  • Audio output: RCA / Balanced XLR
  • RCA output distortion: 0.0001%
  • SNR: 122dB
  • RCA output amplitude: 3V
  • XLR output amplitude: 6V
  • Sampling rate supported:
  • USB/HDMI inputs: 768KHz/32Bit  DSD512
  • Bluetooth input: 44.1K(APTX-HD), 96KHz(LDAC)/24Bit
  • COAX input: 384KHz, PCM, DSD128 DoP
  • OPT input: 192KHz, PCM, DSD64 DoP
  • Standby power: 1.5W
  • Static power consumption: 18W
  • Display font color: 4 kinds
  • Voltage: 110V/220V
  • Weight: 6.2kg

Packing List

  • 1*Decorder
  • 1*Remote Control
Safe and secure payment by PayPal.
Please leave VALID TELEPHONE NUMBER which is necessary and very important.
 
Customs Clearance
We are NOT responsible for any customs duties fee.
We are NOT responsible for any import tax or customs delay.
 
Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries). 

Free Return Within 30 Days

We provide  return within 30 days for all items you bought on eBay, full refund and return shipping will be provided.

1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes).

If you are satisfied with our products and service please leave a 5-star StarStarStarStarStar. Positive feedback rating Feedback is very important to us just like our lives, please DO contact us before you leave a neutral Neutral feedback rating or negative Negative feedback rating feedback, we will provide better solutions until you are satisfied.

 

 

 

Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc.
 
As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable.
 
We will spare no efforts to bring great products and service for customers and extremely to improve our customers’ listening experience.
Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at:
 
 Working time

Beijing(CN)Monday-Friday09:00 AM - 18:00 AM
New York(US)
Sunday to Thursday08:00 PM - 05:00 AM
London(UK)Monday-Friday01:00 AM - 10:00 AM
Paris(FR)Monday-Friday02:00 AM - 11:00 AM
 
During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation.
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