IWISTAO HIFI Bluetooth4.0 Decoder Stereo CSR8670 32bit DAC AK4490 Hardware Decoding APT-X

99 In stock

HIFI Bluetooth Decoder

IWISTAOHIFI Bluetooth 4.0 Decoder Stereo CSR8670 32-bit DAC AK4490 Hardware Decoding Bluetooth Optical Inputs Support APT-X Transmission   Model No: WHFBR-A4490 This is a Bluetooth decoder with Bluetooth 4.0 CSR867 and DAC AK4490. The Bluetooth 4.0 version CSR8670 implemented digital signal transmission thought wireless function, the digital to analog conversion...
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IWISTAOHIFI Bluetooth 4.0 Decoder Stereo CSR8670 32-bit DAC AK4490 Hardware Decoding Bluetooth Optical Inputs Support APT-X Transmission

 

Model No: WHFBR-A4490


This is a Bluetooth decoder with Bluetooth 4.0 CSR867 and DAC AK4490. The Bluetooth 4.0 version CSR8670 implemented digital signal transmission thought wireless function, the digital to analog conversion of audio output used a professional decoder chip AK4490 to play that the digital signal is decoded into an analog audio signal, and finally OP amplified the analog audio signal and output it.

Currently, the sound quality of CSR8670 is one of the most stable, best Bluetooth chip, supports APT-X transmission.

AK4490 is a new generation Premium 32-bit 2ch DAC with new technologies, achieving industry’s leading level low distortion characteristics and wide dynamic range. The AK4490 integrates a newly developed switched capacitor filter “OSR Doubler”, making it capable of supporting wide range signals and achieving low out-of-band noise while realizing low power consumption. Moreover, the AK4490 has five types of 32-bit digital filters, realizing simple and flexible sound tuning in wide range of applications. 


At the same time, the unit is compatible with optical input, optical input devices can be connected to any other optical fiber output, such as televisions, set-top boxes, projectors, DVD player, CD player, sound cards and other digital computer.

 

IWISTAO Single-ended Tube Amplifier Class A + Bluetooth4.0 Decoder Stereo CSR8670 32bit DAC AK4490 from IWISTAO HIFI AUDIO on Vimeo.


Features

1. Whole aluminum alloy casing.
2. Built-in 16M memory within CSR8670 chip
3. Adopted HIFI level op amp OPA2604 as output.
4. Adopted HIFI parts and components at signal input and output, such as 1% metal film resistors, capacitors, audio ELNA and Nichicon capacitors, Phil ips CCB film small Signal filtering capacitors, and gold-plated RCA audio output jack.
5. Adopted imported original ST regulator, and digital power supply used independent of the LM1117 3.3 V regulator.
6. Adopted independent hardware decoding AK4490 decoder chip.
7. With op amp socket, you can exchange your favorite OP according to your needs to use different styles HIFI op amp. Currently, the output chip is original OPA2604 op amp.
8. Built power and signal indication on the front panel.
9. Adopted independent external Bluetooth antenna with high sensitivity.
10. Automatic doors to receive the first optical fiber, has a good dust-proof.
11. With an input switch to easy switch two input signals, Bluetooth and optical. The two inputs, Bluetooth + optical input, you can connect any digital device family.
a) Bluetooth module Bluetooth signals --- Bluetooth digital signal decoding --OPA2604 --AK4490 op-amp output
b) Fiber optic signal --- AK4490 decodes the received data --- OPA2604 op-amp output

Specifications

1. Bluetooth chip: British CSR8670 chip
2. Receiving distance: Accessible straight-line distance of about 5-8 meters, it is not supported through the wall.
3. DAC: AK4490
4. OPA2604 op amp output
5. Optical Fiber Support: 24-bit 192K sampling
6. Dimensions (L x W x H): 137mm x 115mm x 58mm
7. Cross Weight: 1.2 kg
8. Color: Silver
9. Working voltage: AC 220V / 50Hz
10. Accessories
Power cord x 1

 

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