TPA3223 Amplifier 2.1 CH QUALCOMM APTX HD Bluetooth Hifi Stereo Class D 2x 200W + 400W ZK-APTX2

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Product features:

1. Adopting a fever grade chip QCC3034+PCM5102+TPA3223+NE5532 (TI),
supporting a 32bit 384KHZ sampling rate, air-cooled heat dissipation,
15-40VDC power supply, and sufficient power

2. Adopting high-power digital power amplifier dedicated inductors,
high current, low magnetic loss, low heat generation,
and using oxygen free copper wires to improve sound quality;
The magnetic shielding mechanism is resistant to electromagnetic interference

3. Using 5 TI original NE5532 operational amplifiers to
maintain signal purity and high fidelity sound quality,
the DIP8 operational amplifier socket is fully gold-plated
with low transmission resistance and good transmission characteristics,
allowing for free replacement of operational amplifiers

4. Subwoofer signal output expansion port, compatible with ZK-3002,
karaoke board expansion port, supporting the installation of ZK-AMP

QCC3034 Qualcomm Bluetooth module,
supporting transmission encoding SBC, AAC, APTX, APTX-LL, APTX-HD
High Definition Audio


Product parameters :

Brand : Original Wuzhi Audio
Product name : 2.1 channel Qualcomm BT amplifier board 200W+200W+400W
Product model : ZK-APTX2
Adapted power supply : The working voltage range is 15-40VDC,
and it is recommended to use a DC power supply with a voltage of 32V-36V 10A or above.
Be careful not to use AC power directly from the Huan Niu transformer.
Itmust be rectified, filtered, and tested for DC voltage within 40V before wiring can proceed.

Maximum power : Left or right channel—— 200W@40V ,
4ohm; 300W@40V , 3ohm. Subwoofer—— 425W@40V
2ohm; 200W@40V , 4ohm. In short, the higher the voltage,
the smaller the resistance, and the greater the output power.

Adapted speakers : Left and right channels, supporting 3-8 ohms and speakers up to 200W;
The subwoofer supports 2-8 ohms and speakers up to 400W.

BT chip : QCC3034, transmission distance of 15 meters.
Input method : BT+AUX, BT priority, BT needs to be disconnected when using audio cable input.
Number of channels : 2.1, Left channel and right channel+subwoofer
Power amplifier chip : Dual TI original TPA3223
Protection mechanism : Input undervoltage,
input anti reverse connection, overheating, overcurrent,
short circuit protection.

Product size: 152x120x37mm