ReviewsAudio Power Supply

Diitao 50W×2+100W Bluetooth Power Amplifier Board with Subwoofer 2.1 Channel, 12V-24V Audio Power Amplifier Module with Treble and Bass Control for DIY Bluetooth Audio ZK-MT21, Black

...ZK-MT21 Power Amplifier Board】Uses Bluetooth 5.0, and its transmission distance can reach 49 feet (without obstruction). At the same time, this power amplifier board has a 3.5mm AUX audio input interface..
【Specification】With 36*25*10mm heat sink, suitable for power supply DC12-24V/5A or above (24V battery pack cannot be connected), suitable for speakers 20~100W, 4~8Ω..
【Protection Function】ZK-MT21 Bluetooth power amplifier board has multiple protection mechanisms to ensure its safe operation. It has short-circuit protection, over-current, over-heat, and anti-reverse protection..
【Come With DC Conversion Plug】The DC adapters on the market (plug specification 5.5mm*2.1mm) basically can meet the needs of the ZK-MT21 Bluetooth power amplifier board. If your existing DC power plug is not 5.5mm*2.1mm, there is no The problem is because we have included a DC conversion plug in the product..
【Tips】There will be enough output power only when the audio input is sufficient and the power supply voltage/current is sufficient.The higher the power supply voltage, the greater t....

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FiiO NEWK3 Amplifier Headphone Amps Portable High Resolution 384kHz/32bit DSD256 USB Type-C Lossless for PC/Laptop/Smartphones/Speaker Home Audio

...w K3 to your computer via USB to instantly upgrade to high-fidelity sound, and enjoy your music..
[Simply reliable USB power]: The new K3 headphone amplifier adopts the modern USB Type-C input interface for a more reliable and stable connection, including that of power. However, care to ensure an uncompromised power supply doesn't stop there – the new K3 implements overvoltage protection (OVP) and a double-filter circuit to ensure power supply stability, while the digital and analog audio circuits each get their own power supply to greatly reduce crosstalk..
[Two modes for your choice]: Sometimes, you may not have access to a device that can connect to the new K3 via USB Audio Class 2, you can go to USB Audio Class 1 mode with just the flick of a switch. In high-performance applications, you can use the 2.0 mode to enjoy up to 384kHz/DSD 256 decoding. · For certain situations, you can use the 1.0 mode to enjoy up to 96kHz/24-bit PCM audio without needing any drivers. *Using the 2.0 mode requires downloading and installing the FiiO USB driver..
[Coaxial/Optical digital outs]: The XMOS USB receiver chip in the new K3 directly converts any USB audio input to digital signals output via the coaxial and optical connectors, allowing you to connect to speake....

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Isobel USB Bluetooth 5.0 Transmitter with Digital Optical Input, Low Latency Wireless Audio Adapter Bluetooth Aux Adapter for TV PC Switch / PS / Xbox Console, 2 Devices Simultaneously

...console. Automatically connect to your previously paired devices at power-up.4.Dual Link Music Streaming - Share music with your friends by simultaneously connecting 2 Bluetooth headsets / speakers to your TV PC Switch/PS/Xbox console. Automatically connect to your previously paired devices at power-up..
5.USB Power Supply - USB has power function. During use, power must be supplied through USB port, you don’t have to worry about running out of power while listening to music. *When used on computer, audio transmission and power supply are realized through the USB port..

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S.M.S.L A100 Bluetooth 5.0 Stereo Audio Mini Class D Amplifier MA12070 Chip 2 Channel Amp Receiver for Home Desktop Speakers 80Wx2

Infineon's new technology class D power amplifier MA12070 chip in this small machine, large number of audio grade components are used to enhance the....
Built-in Bluetooth 5.0 receiver, supports. Great sound quality, longer transmission distance. Signal stability and transmission quality have been....
Built-in low-noise, big-power audio dedicated switching power supply to ensure continuous powering. A good power supply will directly affect the sound....
Three input methods - USB/ Bluetooth 5.0/ Line in, USB audio input and support for driver-free use. High quality gold-plated input and output....
12-month warranty, you can return the item or replace a new one if you have any problems..

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Bay Area Backroads

⏸400W+400W Hifi Stereo AMP▶ AK-380 audio power amplifier, simple compact but practical and powerful, offer 400W+400W peak power and 40W+40W rated power, advanced circuitry design, built-in bluetooth 5.0 core and YD7377 chip, no pop, no audible noise when Bluetooth connection is established, designed for the customers who pursue HiFi sound..
⏸Multifunctional Amplifier Receiver ▶This 2 channel Bluetooth 5.0 mini audio amplifier with LCD display backlight and volume, treble and bass control knobs, which allows you to adjust the high and low frequency separately for delicate sound..
⏸Wide Application▶Mini bluetooth audio amplifier widly compatible with mobile phones, computers, tablets, notebooks, MP3, MP4,TVs and projectors with AV audio etc. you can use it at home, and carry it to your car or outdoor..
⏸Easy to Use▶Little audio amplifier compatible with two 40W rated power, 4-16Ω speakers. Power plifier with remote control for distant audio adjustments, can read U-disk and memory card, plug and play, support BT wireless connection, with 12V 5A power supply to connect the devices..
⏸With FM Faction▶ The package with FM antenna, FM mode can save up more than 20 stations..

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FiiO Q7 DSD512 MQA Balanced Portable HiFi Desktop DAC/Headphone Amplifier with ES9038PRO/THX AAA 788+ amp Designed, Optical/USB/Coaxial /

【Desktop-level power】: The Q7 features desktop-level amplification with 100% more power under DC power supply in “Enhanced over-ear headphone mode” - up to 3000mW* of power..
【Desktop-grade decoding】:16-core XMOS XU316: dual audio clocks, ultra-low latency, 768K, DSD512 and MQA full decoding.
High-end DAC ES9038PRO: 4 channels connected in parallel for one differential output, for excellent resolution.
【Desktop-tier THX AAA 788+ amp】:The THX AAA 788+ amp originally designed for desktop usage is featured in a 4-way truly balanced amplifier circuit. With five levels of mixed gain, the Q7 can effortlessly power all kinds of headphones for a pure listening experience..
【Desktop-caliber power supply】：Dual power supply modes, the Q7 can be operated in either DC or battery-powered modes. Providing endless reserves of power in order to maintain stable, high-quality audio at all times..
【FiiO digital control core】: To further enhance sound quality, the digital and analog sections are physically separated on different boards with shield covers to achieve an extremel....

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Pulse Generator, High Strength Practical for Home

Adopted of Mini Usb port power supply, typically+5V 0.1A,and comes with USB cable.
Imported ultra-low static power consumption main control IC,to make the waveform more stable.
Output 7.83HZ pulse square wave, whose duty cycle is 50%. Frequency can be fine-tuned for correction.
This product is Schumann wave 7.83HZ very low frequency generator, features high accuracy and stability..
For audio-visual space - to enhance the sound field and audio-visual effects,For the bedroom - to help sleep soothe the nerves, adjust insomnia, For office - to relax and improve work efficiency, Used to create space - to improve inspiration,For the tea.

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Alaska Radio - 60+ Live Streams

⏸400W+400W Hifi Stereo AMP▶ AK-380 audio power amplifier, simple compact but practical and powerful, offer 400W+400W peak power and 40W+40W rated power, advanced circuitry design, built-in bluetooth 5.0 core and YD7377 chip, no pop, no audible noise when Bluetooth connection is established, designed for the customers who pursue HiFi sound..
⏸Multifunctional Amplifier Receiver ▶This 2 channel Bluetooth 5.0 mini audio amplifier with LCD display backlight and volume, treble and bass control knobs, which allows you to adjust the high and low frequency separately for delicate sound..
⏸Wide Application▶Mini bluetooth audio amplifier widly compatible with mobile phones, computers, tablets, notebooks, MP3, MP4,TVs and projectors with AV audio etc. you can use it at home, and carry it to your car or outdoor..
⏸Easy to Use▶Little audio amplifier compatible with two 40W rated power, 4-16Ω speakers. Power plifier with remote control for distant audio adjustments, can read U-disk and memory card, plug and play, support BT wireless connection, with 12V 5A power supply to connect the devices..
⏸With FM Faction▶ The package with FM antenna, FM mode can save up more than 20 stations..

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Digital Optical Coax to Analog Stereo Audio L/R Converter Adapter with Optical Cable RCA Cable

NOTE: (the package excluding 5V DC 1A power supply, Because everyone has a bunch of them laying around the house so it saves you the extra cost of another one) .This is a Digital to Analog converter( can not be used as Analog to Digital converter),This Digital to Analog Audio Converter is Designed for Either Home or Professional Audio Switching ，Easy to Install and Simple to Operate.
Can be Used for PS3, PS4, Xbox, Blu-ray Player, HD DVD, Home Cinema Systems, AV Amps, Etc.
It Converts Coaxial or Toslink Digital Audio .Signals to Analog L/R Audio This Converter Has Many Features That Enable It to Perform in a Superior Manner.
Toslink Digital Audio Signals to Analog L/R Audio Supports Sampling Rate at 32, 44.1, 48 and 96 KHz . 24-bit S/PDIF Incoming bit Stream on Left and Right Channels. This optical digital to analog converter is incompatible with 5.1 Channel Signal such as Dolby AC3, please set the audio output to PCM or LPCM before using this adapter..
Rovides Electromagnetic-noise-free Transmission .Easy to Install and Simple to Operate . Supports Uncompressed 2-channel LPCM or PCM Digital Audio Signal Output.
Provides Electromagnetic-noise-free Transmission(5.1 channel is incompatible, please set the audio output to PCM or LPCM）.

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Rockville RWM1202VH VHF Wireless Dual HandHeld Microphone System/Metal Receiver

... 8 KHz (±3 dB). Harmonic Radiation :< 63dBm. S/N: 60dB. RF Output Power: 10mW. Power Voltage: AC110V/ 220V - 50/60Hz..
Mic Battery: AA x 2. Receiver:. Sensitivity: (S/N=30dB) >2mV. De-Emphasis: 50µS. Audio Output Impedance: 600Ω. Audio Output Level.: 0-0.5V. Power Supply: AC110V /220V 50/60Hz. Current Consumption: ≤50mA. Audio Out Connector: 1/4˝ unbalanced. Transmitter:. Frequency Stability: ±0.005%. RF Output Power: ≤30mW. Modulation Mode: VHF. Maximum Deviation Range: ±50KHz. Microphone Mode: Fixed. Pre-Emphasis: 50µS. Power Supply: AA/1.5V×2. Current Consumption: ≤35mA..

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AOSHIKE TPA3116 DC 12-24v 100W Subwoofer Amplifier Board Support Bass Output Digital Small Power Amplifier Board Video Audio Accessories

Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz.
Operating voltage range: DC 12-24V(maximum voltage is no more than 24V).
This is a pre-amplifier, bass frequency....
DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output.
Speaker impedance: bass speaker impedance: 2-8 ohm.
You can use a good switching power supply adapter, laptop switching power supply, or rectified filter transformer power supply, you can also use....

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