Reviews Audio Amplifier Module

AITRIP 4pcs M38 Wireless Bluetooth MP3 Audio Receiver Board BLT 4.2 mp3 Lossless decoder Bluetooth 4.2 Audio Receiver Board Wireless Stereo Sound Module Compatible with Arduino Raspberry Pi

This product has its own dual 5W power amplifier circuit, and must not be connected to another amplifier! The outputs of the two amplifiers may not be....
Package Includes: 4pcs M38(HW-406) Wireless Bluetooth MP3 Audio Receiver Board.
Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium....
Support USB sound card, free drive (plug and play). Connect the module to the computer with a USB cable, and the computer can play music through the....

16mA current, 20 mV/dB slope, ‑95 dBm intercede, SMA female, 5MHZ‑500MHZ frequency range, 100 dB gain..
APPLICATION - Used for received signal strength indicator (RSSI) and phase detection in cellular base stations, radar and other radio transceiver applications..
Logarithmic output of the logarithmic amplifier module is proportional to the logarithm of the input signal..
±0.4 DB RSSI LINEARITY - ±0.4 dB RSSI linearity, RSSI scale does not change with temperature and feed voltage..
AD8309 AMPLIFIER MODULE - AD8309 amplifier module, with limiting output, can be used as FSK PSK demodulation..

50W+50W DUAL CHANNEL: X35 bluetooth 5.0 receiver amplifier provides 50W+50W dual channel stereo output with the upgraded chip TPA3116. Impedance: 4~8 Ohm..
THREE INPUT OPTIONAL: Supporting AUX/ USB/ Bluetooth input. But the amp module can be searched and connected via Bluetooth when unplugging audio input line. Insert audio input line, then it will auto switch to wired input mode, Bluetooth function will be lost..
SUPER COMPATIBILITY: Our Bluetooth audio transmitter can be widely applied to various tablet PC, TV, smartphone, Laptop with Bluetooth and etc, versatile and simple to use. But it does not apply to a range of products launched by Amazon such as Echo, Alexa ect. and Bose Speakers..
MINI ELEGANT SIZE BUT POWERFUL: Ultra small size (3*2.7*1.5 inch) with metallic colourful shell, advanced technology and chip, our Bluetooth stereo amplifier has good sound quality, no distortion, no humming or hissing and sounds clear, crisp..
1-YEAR WARRANTY: We offer 1-year guarantee period. If you have any questions or concerns, please don't hesitate to contact us..

Factory Presets and savable/recallable Scenes for commonly-used applications.
Multi-function digital display for control and selection of loudspeaker functions.
Intrinsic Correction tuning and loudspeaker management.
Frequency Response (-6 dB) 56 Hz - 20 kHz.

★Can use the computer USB port, USB power bank or a mobile phone charger to supply the 5V support power,Battery power can also be used.
★Provides 3W (left channel) + 3W (right channel) output power into a 4Ω speaker load and 5V power supply.
★Integrated power switch and volume control (turn knob fully counter-clockwise to turn off).
★Module has short-circuit current protection, under-voltage lockout and over-temperature protection (shuts down at an internal temperature of 140C....
★Package Includes: 2PCS PAM8403 Class D Stereo Audio Power Amplifier Module with Volume Control Potentiometer.

INA114 is a low-cost, high-precision instrumentation amplifier that only requires an external resistor to set the gain, and the gain range is 1 to 10000..
the weak signal detection effect is excellent, and can input single-ended signals or differential signals..
Chip features: Offset voltage 50uV, drift 0.25μV/℃, and high common mode suppression, 115dB when G=1000.
Module application: bridge amplifier, thermocouple amplifier, RTD sensor amplifier, medical equipment, data acquisition front end.

50W+50W DUAL CHANNEL — F900 bluetooth receiver amplifier provides 50W+50W dual channel stereo output with the upgraded chip TPA3116. Impedance: 4~8 Ohm..
THREE INPUT OPTIONAL — Supporting AUX/ USB/ Bluetooth input. But the amp module can be searched and connected via Bluetooth when unplugging audio input line. Insert audio input line, then it will auto switch to wired input mode, Bluetooth function will be lost..
SUPER COMPATIBILITY — This Bluetooth audio transmitter can be widely applied to various tablet PC, TV, smartphone, Laptop with Bluetooth and etc, versatile and simple to use. But it does not apply to a range of products launched by Amazon such as Echo, Alexa ect. and Bose Speakers..
MINI ELEGANT SIZE BUT POWERFUL — Ultra small size (3*2.7*1.5 inch) with metallic colourful shell, advanced technology and chip, our Bluetooth stereo amplifier has good sound quality, no distortion, no humming or hissing and sounds clear, crisp..
QUALITY ASSURANCE — We guarantee 30 days return and money back and lifetime customer service. Please feel free to contact us if you have any question before or after purchasing, our customer service is ready for you at anytime..

Bluetooth neckloop now is powered by new 4 Watt audio amplifier and now offers more powerful output audio signals..
Bluetooth module v4.0 allows you to pause/play even change songs by simply click buttons. Built-in 700mAh rechargeable battery provide extra talk time..
Super mini earpiece made by rare earth magnetic materials. Around the size of rice for stealthy use. It does not need a battery and it works with the neckloop amplifiers..
Magnetic earpiece made of high quality of neodymium. NdFeB earpiece's low price makes it very affordable..
The NdFeB super mini magnetic earpiece is the smallest earpiece in the world to provide wireless covert conversation functions..

Retains factory climate control functions.
Accommodates Single or double DIN radios.Amplified sound systems..
Auxiliary audio and USB retention harness.
Electronic Interface Module (retains climate controls, steering wheel controls, OnStar, factory amplifier.
Temperature displays in Fahrenheit and Celsius. Exterior temperature display provided.