IWISTAO HIFI DAC Portable USB CM6631 Decoder ES9023 Headphone Amp 16-24bit/44.1K-192K

100 In stock

HIFI Headphone Amplifier

IWISTAO HIFI DAC Digital Analog Converter Portable USB Receiver CM6631 Decoder ES9023 Headphone Amplifier HD1969 16-24bit / 44.1K-192K USB Power Supply   Features 1.    USB digital receiver used a sophisticated CM6631A asynchronous receiver chip, which had been used by many players to challenge high-class turntable, so it shows its qualities. Our...

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IWISTAO HIFI DAC Digital Analog Converter Portable USB Receiver CM6631 Decoder ES9023 Headphone Amplifier HD1969 16-24bit / 44.1K-192K USB Power Supply




1.    USB digital receiver used a sophisticated CM6631A asynchronous receiver chip, which had been used by many players to challenge high-class turntable, so it shows its qualities. Our self-developed firmware to make system be more stable, CPU occupancy rate is less than 10% (I3 processor), while the perfect support for all frequencies 24bit 192K or less, including more difficult frequencies like as 88.2K, 176.4K also be the perfect support.

2.    Decode chip adopted a ES9023 chip that is similar as ES9018, and this piece chip at 3.6V power supply can have 2Vrms level output, ES9023 use Ultra patented technology line flow (Hyperstream) architecture internal and time-domain jitter elimination technology, dynamic range reached 112dB. No chip is better than ES9023 under this USB-powered.

3.    Headphone amplifier section is fascinating, used HD 1969 pure A circuit, popular for half a century, today there are still countless audiophiles to relish playing, also shows her charm from this aspect. You can easily push 64 ohms or less (or even 120 ohm) headphones. Pure Class A circuit born on the resistant of USB-powered clutter, while the current drive capability is strong and full load output distortion is no deterioration, rich sound with even harmonics make extremely smooth! Absolute vacuum tube rich flavor, and resolving power, dynamic is very good, completely abandoned harsh digital sound.

4.    As USB power supply directly, it will have a negative impact HIFI products normally. But for the product, CM6631 has been added a level series regulator. Furthermore ES9023 used a shunt regulator that has the best performance, while used the best 1969 pure A headphone amplifier that has a high born voltage suppression ratio , also for this reason, many audiophile like to use  switching power supply for HD1969.




Product Specifications

1.    Input: USB port, support for XP, WIN7, win8, Mac systems to support ASIO, Wasapi.
2.    Line Output: RCA audio ports 2Vrms
3.    Digital Output: SPDIF 24bit 192K
4.    Output: 6.35 3.5 headphone dual-port 32 ohm output (80mW); 64 ohms (40mW); and provides an analog RCA outputs.
5.    Sampling frequency: 44.1K-192K
6.    Sampling bit width: 16-24bit
7.    Weight: 130g
8.    Dimensions: 108mm * 80mm * 27mm
9.    Power supply: USB Interface
10. Accessories: 30cm high-quality USB cable with fully shielded


Using Instructions

1.    Interface Description:

l  USB port connected to PC, it will come out an extra sound card in the system after installing the driver
l  6.35mm and 3.5mm headphone port can directly drive 100 ohm headphones or below.
l  There are 2 groups of RCA ports on the back, red and white at both ends is the line analog outputs, you can connect multimedia speakers or amplifier.
l  Yellow RCA port for SPDIF digital coaxial output, decoders and other devices can be connected.

2.    Driver and software installation

l  Please download CM6631A at this address driver, foobar2000, ASIO plug, Wasapi plugin packages address: http# //pan.baidu.com/s/1eQGe730 (copy this link as used : instead of #).
l  Connected the unit, installation CM6631 driver.
l  Install compressed packages within Foobar2000
l  Install the ASIO and Wasapi plug of foobar2000, both plugs are very large impact on the quality, it is recommended to install. Foobar2000 menu select File> parameter options, pop-up dialog box, and then on the left select the "Components", point the Install button to select unpack the archive after the ASIO, Wasapi component files.







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