Description


Item specifics

● Condition : New

● Brand : Unbranded

● Type : TPA3251 Bluetooth Power Amplifier Board

● Compatible Brand : Universal

● MPN : Does not apply

● UPC : Does not apply

● EAN : Does not apply

● Marke : Markenlos

● Produktart : TPA3251 Bluetooth Power Amplifier Board

● Markenkompatibilität : Universell



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Features
1. Using audiophile chip QCC3034 + PCM5102 + TPA3223 + NE5532 (TI), support 32bit 384KHZ sampling rate, air-cooled cooling, 15-40VDC power supply, full power.
2. The use of high-power digital amplifier special inductor, high current, low magnetic loss, small heat, the use of oxygen- copper wire to improve sound quality; magnetic shielding mechanism to resist electromagnetic interference.
3.5 TI original NE5532 op-amps, to maintain the purity of the signal and sound quality of the high-fidelity, audiophile gold-plated DIP8 op-amp sockets, low transmission resistance, good transmission characteristics, to replace the op-amp.
4. Subwoofer signal output expansion port, compatible with ZK-3002, karaoke board expansion port, support the addition of ZK-AMP.
5.QCC3034 high-pass module, support the transmission of coding SBC, AAC, APTX, APTX-LL, APTX-HD.
 
Specification
Product Name：2.1 channel high pass bluetooth amplifier board 200W+200W+400W
Product Model: ZK-APTX2
Adaptable power supply:
Operating voltage range 15-40VDC, recommended voltage 32V-36V, current 10A or 10A or more DC power supply. Note that you can not directly use the ring bull transformer AC power, must be rectified and filtered and tested DC voltage within 40V, before wiring.
Maximum power:
Left or right channel - 200W@40V, 4Ω; 300@40V, 3Ω.
Subwoofer - 425W@40V, 2Ω; 200W@40V, 4Ω In short, the higher the voltage, the lower the resistance, the higher the output power.
Applicable speakers: Left and right channel, support 3-8 ohm, within 200W; subwoofer support 2-8 ohm, within 400W.
Bluetooth chip: QCC3034, transmission distance 15 meters.
Input mode: Bluetooth+AUX ,Bluetooth priority, Bluetooth needs to be disconnected when using audio cable input.
Number of channels: 2.1, left channel + right channel + subwoofer
Amplifier chip: two TI original TPA3223
Protection mechanism: input undervoltage, input anti-reverse connection, overheating, overcurrent, short circuit protection.
Product size: 152x120x37mm
 
List
1 x Amplifier board
1 x Accessory kit
 
Attention
1.The boards all come with their own on-board antennas, with a normal distance of 10-15 meters.
2.Antenna is not included in this product

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