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AOSHIKE 8-25V 100W TPA3116 Subwoofer Digital Power Amplifier Board TPA3116D2 Amplifiers NE5532 subwoofer Plate Amplifier

Power connector is a standard 5.5MM power jack,you can use your laptop power, Other input is Aux input,it is 3.5mm port.
Maximum output power: 50W (left channel) + 50W (Right channel), dual- channel output, efficiency up to 90 percent.
Adopt Tpa3116 high-performance amplifier chip as the core, DC single power supply, wide operating Voltage range 8-25V..
PCB size: 75X60MM (Any problem with it,pls contact us:https://www.amazon.com/sp?seller=A3BG62S1F23IH5).

The Aiyima T10 is a Vacuum Digital tube preamp for your home stereo system, The effect of the T10 vacuum tube preamp is warm and soft sound quality. Can match with our A07 Power Amplifier, it not only makes the sound sound soft and sweet, but also experiences the Hifi effect of the class D amplifier.
The T10 Tube preamp output to the powered speaker, A07 amplifier & passive speaker.
A07 Power Amplifier is a 2 Channel Power Amplifier,with 3.5mm AUX output to next active device can made a 2.1 channel audio system,the Max Power Output 300W+300W(Need choose big power adapter),Use TPA3255 Amp Chip.
More technical support and help,pls ask me:www.amazon.com/hz/help/contact/A3BG62S1F23IH5#.

Dac-A2 a DC5V Headphone Amplifier Destop DAC ,Built-in Hi-Fi Headphone amp chip can drive 16ohm to 200ohm headphones..
DAC A2 use professional Headphone amplifier Chipset TPA6120+OP275,DC 5V power input interface,RCA and 3.5mm headphones outputs. PC-USB:24Bit/96K,OPT/COA:24Bit/192kHz.
A07 Power Amplifier is a 2 Channel Power Amplifier,with 3.5mm AUX output to next active device can made a 2.1 channel audio system,the Max Power Output 300W+300W(Need choose big power adapter),Use TPA3255 Amp Chip.
More technical support and help,pls ask me:www.amazon.com/hz/help/contact/A3BG62S1F23IH5#.

RCA/Bluetooth Audio input Manual switch mode, With DC12V/1.5 A power supply(Do not use a power supply exceeding 12V).
RCA input to the computer, CD, phone, iPod and other player and RCA output to the digital amplifiers, active multimedia audio devices for lossless audio(The RCA cables not included).
With treble and bass adjustment,Using tube 6N3 design for easy replacement(6N3,6H3,396A,2C51,12B4A,GE5670,6H3n-E),soft voice.Adopt the Dual run amplifier chip NE5532P power conversion module.
All aluminum alloy shell,heavy gold PCB,Build quality is surprisingly solid,Nice touch!With optimal integrated circuit to get powerful, dynamic and sweet sound.
This product is a preamplifier,not a power amplifier or phono preamp, can't be used for turntables or passive speakers.It needs to be connected to an Powered speaker and a rear amplifier(Can offer technical support and warranty service!Pls Ask Me:www.amazon.com/hz/help/contact/A3BG62S1F23IH5# .thanks!).

❶ Adopt The Instruments TPA3255D2 chip, NE5532 op-amp. Very Quiet, Runs Extremely Cool,Easy to set up.
❷ Max 300W+300W HiFi integrated class D amplifier, Exclusively designed for the customers who pursue HiFi sound,High efficient power output up to 300 Watt((For passive speakers only, not the Powered speakers).
❸ Two input ways:3.5mm AUX Audio input/ RCA Audio input (3.5mm interface is also Aux Audio output interface(3.5mm AUX port used as audio output can go to connect any Powered device: Speakers, Amplifier,Active Subwoofer ect.)).More detail connection and use ways,pls see the main picture shown).
❹ Simple compact design,And the exterior design is delicate and beautiful little amp,It can match with your computer/ desktop /Home theatre system and so on.
❺ Note:This ASIN package with DC36V power adapter(Cannot use industrial power supply).Please read carefully before buying and use it properly. If you need technical help, please contact the seller for support: www.amazon.com/hz/help/contact/A3BG62S1F23IH5#.

...free,But if you want to get the maximum power of 300W, you need to buy a power adapter that uses DC 48V and current is above 7A(Cannot use linear power supply,and please choose the correct passive speaker power to use ).Any doublt and help, please contact the seller for support: www.amazon.com/hz/help/contact/A3BG62S1F23IH5#.

...he Package with DC36V power adapter(Cannot be use industrial power supply).Can upgrded to DC48V power adapter according to your passive speaker by yourself.Please read carefully before buying and use it properly. If you need technical help, please contact the seller for support: www.amazon.com/hz/help/contact/A3BG62S1F23IH5#.