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CLEAR SOUND QUALITY: Our 2.0 channel speaker amplifier provides powerful 2 x 20W output for rich and dynamic sound

VERSATILE SPEAKER COMPATIBILITY: Compatible with 4-16 ohm speakers, ensuring wide compatibility with high quality sound systems

Precise Audio Control: Adjustable controls for treble, bass and master volume for your listening experience

VARIETY INPUT OPTIONS: AUX and RCA inputs easily connect to a variety of audio sources

Stable Performance: 90db signal-to-noise ratio minimizes background noise for clear sound. Product comes with 12V 2A power adapter

If you have any questions during use, please click on our store name "Vivan-Star" and click "Ask question" to give you the solution

2-In-1 Amplifier Bluetooth Receiver and Power Amplifier. Connects to speakers wirelessly via smartphones, etc. (PSE/Technical Compliant)

Although it is a mini size, this product is updated in 2023, and the chip has been changed to a more upscale, the sound quality and quality is obviously better than the original version

Adopting Nousound's special chip, the maximum power is 100 W (50 x 50 W), making it easy to drive most home speakers. HIFI clear and delicate sound with almost no noise even at loud volumes

The Bluetooth 5.0/3.5mm AUX/USB input allows you to easily connect to smartphones, tablets, PCs, TVs, CD players, decoders, preamps, etc. The USB input does not require any driver, very convenient

You can enjoy the immersive presentation with the 50W x 2 large output amplifier. Especially for movie enthusiasts, this is a piece that will never be missed. Note: For greater power, you need to use a DC 12V or higher power adapter

1. AIYIMA A01 is a basic 2.0/2.1 ch amplifier. This is a desktop mini amplifier with simple input and sleek design using TPA3116*2+NE5532*3 chip. It is irresistible for audio lovers

2. It can power up to 100W X 2 (4 Ohm, 20Hz-20KHz(±1.5dB) 0.03%THD) 200W (8 Ohm), 300W (4 Ohms) speakers

3. Chipset: TPA3116*2+NE5532*3 Opamp Chip: SRT3609SM, OPA2604, OPA2314, LM4562, JRC5532, OP275GSZ, OPA1612AIDR, etc

4. Input mode include RCA, AUX Output mode: Speaker output (SPK OUT), AUX signal output Compatible devices such as PC, CD, Mobile Phone, MP3 etc

5. Product comes with 24v 4A power adapter. All AIYIMA products come with 18 months warranty. Please contact AIYIMA AUDIO Service Center if there is any defects during the warranty period

【Small and Loud Volume】- 1. Professional audio amplifier with 3 inch large power magnetic speaker. Small size (4.9 x 1.9 x 3.6 inches), light weight (0.56 lbs) 2 maximum 10 watts of sound up to 10,000 square feet (1,000 square feet). Better sound sensitivity and voice transmission power, clear, noise-free and clear voice effect

Long Battery Life: 18 - 20 hours of use 2 - 3 hours of charging time for mini audio speakers

【Comfortable Carry】-1. The portable speaker has an adjustable strap that can be tied on your waist or hung on your neck. 2. There is a clip on the back of the teacher speaker amplifier, so you can clip it to your belt, etc. 3. The cable earphone microphone can also be adjusted to the position and angle. 4. Stylish design is useful for education, trainers, singers, coaches, tour guides, shopping malls, lectures, yoga, outdoor lectures and more

Upgraded Microphone Speaker: 1. The speaker amplifier can be used as an MP3 audio player, as a computer or cell phone. 2. Mini teacher voice amplifier allows you to play one song repeatedly, all music loops and switches between songs. Support 3.5mm AUX audio input (microphone port can be used as AUX port) and can also be used as wired speaker

[Note] - 12 month warranty and continuous after-sales service, so you can buy with confidence. 2. Before first use, please charge the speaker, and place the speaker and microphone in a separate location to prevent noise

1. The A07 PRO is an upgraded version of AIYIMA A07, we added the Bluetooth chip "QCC304X" to the chipset, which enables Bluetooth connection according to the buyer's request

2. Improved and optimized distortion and S/N ratio of A07 PRO. Output is 300W x 2. High efficiency 2.0/2.1 and CH300W x 2 Desktop Power Amplifier can drive large passive bookshelf speakers, ensuring optimal sound quality and most audio equipment such as computers, DVDs, CD players, PCs, laptops, TVs, and more suitable for almost every home use. Compatible with most audio devices such as PC, DVD CD player, PC, laptop, TV etc

3. Classic and simple design, with bass, treble and volume control, 100% compatible with desktop. Easy to connect and install, suitable for home audio

4. Input mode is RCA and Bluetooth. Output mode is 2.0 speaker+aux, using high quality capacitors and phase mode inductors, you will be amazed at the sound quality

5. When you purchase, you will receive 1 x A07PRO Amplifier, 1 x User Manual, 1 x 36V/4A Power Adapter, (peak is 165W x 2) (Note: to get MAX300Wx2 output, such as 48V/10A, you will receive a more powerful power supply), 18 months worry-free warranty, and friendly customer service. AIYIMA AUDIO supports technical service and returns in case of any issue

Compact body with LED digital display and USB/SD card player, this is a small, general purpose 2 ch audio amplifier

High fidelity stereo sound with a rated output of 40W + 40W can be adjusted independently to the high/bass as well as the main volume

Supports stable wireless connection via Bluetooth 5.0, so you can wirelessly connect to music players, smartphones, and other devices

Beautiful oxidized body adopts aluminum alloy for durability and heat dissipation

For use with household power supply, an AC adapter with 12V/2A output

【TPA3255 High Performance Chip】The TPA3255 high-performance chip features advanced feedback design and unique high-speed gate driver error correction. In addition to excellent audio performance, the TPA3255 can achieve both high power efficiency and extremely low power stage idle loss under 2.5W

300W x 2 High Efficiency: This is a significant upgrade from the BT20A amplifier. Replace two plug-in NE5532 Op-Amps with LME49720HA/MUSES02/OPA26041P/OPA2134PA/LM4562/NJM4556AD Op-Amps and more to create different sound quality. Max Output: 300W×2; SNR≥108dB; THD≤0.005%

【Bluetooth 5.0 Input】Hold the volume control for 5 seconds to clear the Bluetooth pair. It also has a Bluetooth memory function, so you can pair it easily from next time. When you pair it, you will get a hint The BT20A Pro amplifier is Bluetooth 5.0 input, so you can enjoy music faster and more conveniently

【Sound Control】With its unique design, the BT20A Pro amplifier for home audio has a wide range of bass and treble controls. Alternatively, you can turn the treble and bass effects to the middle point to hear the original sound without any effects

Delivery Details: BT20A Pro Power Amplifier x 1, Bluetooth Antenna x 1, 32V 5A Power Adapter x 1, AC Cord x 1, Manual x 1, 24 Month Worry-Free Warranty. Before using this product, please make sure you install the bluetooth antenna and connect each cable correctly. If you have any questions, please feel free to contact us

Fosi Audio 2.0 Channel Amplifier V3 is constructed with high quality components including Japan Sumida inductors, Black Gate and WIMA capacitors, and ELNA small aluminum electrolytic capacitors for reliable and stable performance. Thanks to these compos, the V3 stereo amplifier provides more precise control and more efficient power handling to provide a better audio experience

300W x 2 Output Power: The digital amplifier V3 is equipped with a TI TPA3255 class D power amplifier chip. This is a highly compatible chip that can be adapted to a wide range of audio applications from stereo systems to home theater setups, making it easy to handle everyday use. SNR≥110dB and THD≤0.003%, you will hardly feel the sound of using it

RCA input, speaker output, and 3.5 mm preout: The class D amplifier V3 boasts multiple ingenious designs with tapered A volume control. For example, the amplifier body has heat dissipation holes for efficient cooling. In addition, the energy saving mode will extend the life of the amplifier and components

OPEN MPMP CHIP CUSTOMIZATION: The V3 HiFi amplifier comes with two interchangeable plug-in NE5532 opire amplifiers. It can replace LME49720HA/MUSES02 120-140/OPA26041P/OPA2134PA 25-35/LM4562/NJM4556AD OPEN MP

Worry-free Guarantee: Enjoy peace of mind with the V3 stereo amplifier. With a 24-month worry-free warranty, we guarantee reliable performance and customer satisfaction. *Note: V3 is not an integrated amplifier, so the "preout" level is not controlled by volume . Therefore, the volume cannot be adjusted when connected to the "preout"

Package includes DC 32V 5A power adapter which limits maximum output to 125W. To achieve the advertised maximum power 300W, you need to upgrade to the DC48V 10A power adapter. The V3 orange knob is only available on official site. If you want to buy, please visit the official website "https://fosiaudioshop.com"

1) Before using this product, please make sure each cable is connected. 2) This product uses Taper A volume potentiometer, the volume adjustment exponentially increases. 3) Turn this product on and off with the volume knob of the device. It is not recommended to operate directly via a power outlet

Equipped with PFFB: The AIYIMA A70 is the first stereo home audio class D amplifier on the market based on the TI's TPA3255 chip equipped with a post filter feedback loop (PFFB)

(Equipped with 12V Trigger Input and RCA Audio Input) The trigger input can be easily activated audio chain from the source with one button. This gain switch can be used to boost the signal input into RCA input

Balance Input: The AIYIMA A70 stereo amplifier uses XLR audio signal input

【With RCA Output and Sub-Channel Output】Subchannel output with variable filter output is controlled by volume setting, adding an adjustable cut-off frequency (20-150Hz/20-600Hz) to the low pass filter output, making it easy to build a 2.1 channel audio system to match your desktop speaker

【Professional Audio Components】Professional audio components for simple appearance, excellent performance, measured SINAD up to 96dB and S/N ratio up to 116dB for superior audio quality

(Interchangeable Opamp Chips) Examine subtle changes in sound quality and enhance customization fun by replacing Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA

▷The P50 can be used as a matching linear power source for D50s/D50/DX3 Pro, and can also be used as a matching linear power source for D50S+A50

Shield Troidal Transformer: The magnetic leakage of the shield troidal transformer is weak and low and the noise is low, making it very suitable for HIFI applications. Transformers add EMC suppression design, so the output noise is very low

High Efficiency Reserve: 15V module provides a total of 10,000uF capacitors, 5V module provides a total of over 8,000 uF capacitors, ensuring sufficient energy for the output

▷ Device Level Ultra Low Noise Linear Regulator: P50 is stabilized with 3 TPS7SA4700 ultra-low noise linear regulators. Designed with bipolar technology, the TPS7A4700 is ideal for high performance analog circuits for high-precision, high-precision measuring instrument applications and HIFI applications

▷ CNC unibody: P50 is made of solid aluminum brick. It provides better mechanical strength and anti-interference ability