FULL-12-24V wide power supply Wireless Bluetooth 4.2 2-channel stereo Multi-function digital amplifier board Kit | Электроника

FULL-12-24V wide power supply Wireless Bluetooth 4.2 2-channel stereo Multi-function digital amplifier board Kit | Электроника

The power amplifier board adopts the NE5532 low-frequency processing amplification, and then the power level is amplified by the TPA3116D2 high-performance digital power amplifier core, and the audio signal is amplified by double high resolution, and the sound quality is correct. Can support 50W (left channel) + 50W (right channel) two-channel output, with small size, high efficiency, high power and so on.
Support Bluetooth audio reception, external audio input interface, USB, MP3 decoding and playback. Wide working voltage, energy-saving design, efficiency up to 90%. You can use a good switching power supply, notebook power supply, a charging bottle, or a car power supply, and so on. Optimized design, high-current red-ring inductors, dedicated heat sinks, and convenient terminals. Enthusiast's amplifier, HIFI sound quality, high fidelity, mini compact, easy to carry, easy to use.
The board is a finished board that has been soldered and tested. Connect the speaker cabinet, connect the appropriate power supply, connect the Bluetooth audio device, or connect the audio input to play. (Users can also DIY or choose the right shell)Applications: The mobile computer is connected at will, enjoying the experience brought by the sound quality; Home theater sound field control, with stereo adjustment, can produce a shocking sound field, bringing you immersive;
Precautions: 1. It is recommended to use a sufficient power supply, the current must be large enough, otherwise the power of the amplifier and the speaker cannot be used, otherwise it is easy to play the card case; 2. Please control the appropriate volume of the small power horn, and use the appropriate speaker and cabinet to make the sound better.
3. There is a fever in the use of the digital power amplifier, and the heat dissipation can be enhanced; 4. The super power of the chip will cause the sound to be stuck, which is the protection function of the circuit, which is normal! Just lower the volume properly; if the power is not enough, it will also be stuck.
AC DC universal
Bluetooth wireless connection
USB audio decoding: support WMA, MP3, WAV, FLAC lossless music file format
External audio input (mobile phone, computer, MP3, DVD, etc.)
FM multi-band radio station
Play mode automatically switches
Voice prompt
Multi-state indicator
Product parameters:
Supply voltage: DC12-24V or AC8-16V
Output power: 50W*2
Output load: 4-8 Euro
Frequency range: 14-100KHZ
Signal to noise ratio: 100db
Number of channels: two-channel stereo
Switching frequency: 1.2MHz
Wireless transmission: transmission distance Greater Than Equal 10 meters, using the latest Bluetooth 4.2 protocol
Product DIY:
1 Prepare the housing, power amplifier board, mounting post, screws, and related tools.
2 Tighten and fix the power amplifier board for safer and more reliable.
3 Assemble the front and rear casings so that the switches, LEDs, and adapters are in proper position and fixed on the bottom plate for easy use.
4 Assemble the left and right 2 sides of the outer casing, enclose the upper cover, and fix it.
5 Install the knob cap, antenna, and connect the power supply and speaker to use.
Color: as shown
Material: Acrylic + pc + metal
Package Contents:
1* Multi-function power amplifier board
1* One bag of screws
1* Instruction manual
1* Six acrylic sheets
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.