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Terima Kasih..
ZK-QCC is a fever free Qualcomm BT decoding board with an acrylic shell magnetic mount.
The QCC3034 model supports APTX, while the QCC5125 model supports APTX+LDAC.
AC power supply is not supported,
please use DC voltage with a power supply range of 8-32VDC.
Free one XH2.54-2P power cord, one XH2.54-3P double shielded wire,
and one XH2.54-3P single shielded wire.
AUX and BT are switched through a signal relay, with BT taking priority.
When BT is not connected, it will automatically switch to AUX.
The BT name is WUZHI AUDIO.
Brand : Original Wuzhi Audio
Model 1 : ZK-QCC3034 BT5.0 APTX HD AUDIO
Model 2 : ZK-QCC5125 BT5.1 APTX+LDAC HD AUDIO
Precautions for use
1. The QCC decoding board encourages the use of TYPE-C ports for power supply,
or specialized use of isolated power supply, which will reduce the background noise.
2. Connect the wires of the decoding board and amplifier board before turning on the power.
Do not connect the wires when energized, as it may cause damage to the decoding board.
3. It is prohibited to only connect the positive pole to the decoding board for power supply.
The negative pole is connected to the audio cable and the amplifier board through a common ground connection,
which can easily cause damage to the decoding board.4. As shown in the figure below,
it is a normal phenomenon for the chip to have two adjacent pins connected by soldering.
Product Highlights
1. On board antenna, with an open transmission distance of about 50 meters,
there is no need for an external antenna. If installed in a metal shell to avoid signal shielding,
you can purchase an external antenna for installation and reserve an IPEX antenna base.
2. There is an I2S output interface that can be connected to a power amplifier with I2S input function,
and a button extension interface that enables up/down song switching, pause/play, volume adjustment, and strong scalability.
3.There is a TYPE-C USB interface left, which can be used for PC sound card connection or USB power supply.
For the QCC5125 model, official software can be connected via USB to perform EQ operations on internal DSP,
only for experienced enthusiasts with software foundation.
4. Complimentary acrylic shell and fixed magnetic column,
magnetic adsorption type fixed installation, convenient and fast.
5. QCC525/QCC3034+PCM5102A, lossless transmission, lossless decoding, no loss,
perfect display of sound dynamics and details, high-frequency without burrs, mid-range smooth,
low-frequency powerful, and good elasticity.
Extremely high parameter performance: dynamic 112dB, signal-to-noise ratio 112dB,
distortion -93dB, no harm without comparison.
6. The key parts use fever capacitors,
which perform well in parameters such as dissipation factor, leakage current, ripple current, ESR, etc.,
improving the speed, dynamics, texture, and density parameters of sound, and
enhancing the overall quality of high, medium, and low frequencies.
Different temperatures, voltages, and frequencies can all affect sound quality,
and a good dissipation factor can reduce the impact.
The small leakage current of the capacitor reduces the degree of aging,
prolongs lifespan, reduces noise, and reduces high-frequency impedance with low ESR,
increasing dynamic response speed.
Febrile device
1. PCM5102A decoding chip,32bit,384KHZ sampling rate
2. ELNA blue robe energy storage capacitor
3. KingBox solid state capacitor
4. Nichicon HIFI audio capacitor
5. QCC5125/QCC3034
Product function
1. Audio output port (Connect to the audio input port of the power amplifier or the audio input port of the front stage board)
2. Power supply DC8-32V
3. USB sound card or power supply
4. On board BT antenna
5. Audio input port (External audio source devices such as mobile phones, TV boxes, etc.)
6. Reserved IPEX connector (Optional external antenna or not connected)