JC-SQ3 Audio Decoder Bluetooth DAC USB Optical Coaxial Bluetooth Input Ports BT5.0

JC-SQ3 Audio Decoder Bluetooth DAC USB Optical Coaxial Bluetooth Input Ports BT5.0

Description:
SQ3 DAC is controlled by MCU smart software. It features excellent balance among different component circuits, stable operation and flexible applications. Volume adjustment and input signal switch are finished by MCU processor. Its quality components ensure long service life and HiFi sound quality.

It is powered by external 5V power supply. Its builtin Class A step-up circuit provides dual 18V for op amp and headphone amplifier chip. It features low THD, high resolution and dynamic performance. Plug-to-play socket for op amp for easy DIY uses.

Rich input interfaces make it match with the majority of audio devices in the market. It is designed with RCA and headphone output ports. It is compatible with amplifiers and 16-300Ω headphone. You can adjust headphone amplifier output gain.

Selected component parts. SA9023 USB chip, AK4118 digital receiving chip, CSR8670 Bluetooth digital signal receiving module, AK4490 DAC chip, TPA6120A2 headphoen amplifier chp, WIMA, ERO film capacitors, imported solide capacitors, and other premium parts.

Aluminum housing with CNC high-precision process, sanding and oxidation process. It is also built with solid aluminum knob and buttons.

Component Introduction:
- SA9023 Chip: High performance audio stream processor. It supports resolution up to 24Bit/96KHz. It is suitable for Android, IOS, XP, WIN7, WIN8, WIN10. It is plug-to-play. No drive is needed.
- AK4118 Coaxial Optical Data DAC Chip: As a coaxial receiving chip, it can receive signal with sampling rate 24Bit/192KHz. It excels DIR9001CS8416 WM8805 chips in prices and performance. It creates clear and natural sound for users.
- AK4490 DAC Chip: It supports 32Bit/768KHz. It out-rivals AK4399, AK4495, PCM1749, WM8741.
- CSR8670 Bluetooth: Powerful integrated wireless audio solution. It supports lossless transmission of digital signal in APT-X format. It can be used to output original digital audio stream to third party DAC decoder.
- TPA6120A2 Headphone Amp Chip: It is known for its amazing compatibility. It is compatible with headphones with lower and higher impedance.
- OP AMP Chip: Designed with sockets, it is easy to replace op amp. OPA2604 op amp is used in default.

Parameters:
- Working Voltage: 5V 2A
- Headphone Output Power: Max. 600mW (300Ω)
- RCA Output: Max. 4V (20-20KHz)
- USB Input Port: 24Bit/96KHz
- Optical Input Port: 24Bit/192KHz
- Coaxial Input Port: 24Bit/192KHz
- Bluetooth Input Port: 16Bit/48KHz

Package Included:
- 1 x Audio DAC Decoder
- 1 x Antenna
- 1 x Power Adapter