2. termék - 3W 3W egy / kétcsatornás Bluetooth 4.0 audió vevő erősítő 3.7-5V PAM8403

A cím elején szereplő szín/minta/méret/típus kerül kiszállításra!
3W 3W Single/Dual-Channel Bluetooth 4.0 Audio Receiver Amplifier 3.7-5V PAM8403Product 11.Advanced Micro Devices, volume: 1.85 * 2.11cm
2.Excellent noise suppression in the case is not connected to the input audio, the ear close to the speaker can not hear any noise
3.Two-channel stereo, 5V power supply can output 3W 3 W power, can directly drive 4Ω 8Ω small speaker output power, full of energy, good sound quality.
4.Unique without LC filter Class D digital power board, and can be used directly to the computer's USB powered.
5.Dual-panel wiring, properly solve the crosstalk between the ground potential balance and channel wiring
6.Ultra-miniature design, can easily be placed in the internal space for a variety of digital products, ultra high zoom efficiency.
7.All using the machine for the entire board soldering, hand soldering iron welding quality comparable!
8.Rated working voltage 2.5-5V, limit operating voltage 5.5V.
Note: The left and right channel output of the "negative" can not, and then together, otherwise it will burn the IC and energized speaker (load) connected before.
Package Include:3 x 2 Channels 3W Digital power PAM8403 Class D Audio Amplifier Board USBProduct 2Descriptions:
Power supply: DC 3.6v-5.5V
Output power: 3W 3W (4Ohms)
SNR: 90dB
Efficiency:> 90%
Maximum closed-loop gain: 24DB
Package Include: 1 x Mini Digital 3W 3W Dual-Channel Power Amplifier for Arduino RaspberryProduct 3100% brand new and high quality
Material: Electrical components
Color: See pictures
Description:
1. Operating voltage: 3.7-5V DC
2. Size: 40 * 20mm
3. Power: 3 WPackage include: 1 x 3.7-5V Dual Plate 3W Amplifier DIY Bluetooth Speaker Modification ModuleProduct 4Description:
1. Working voltage:DC 5V
2. Output power:3W 3W
3. Speaker type:3W*2 4-8ohm
4. Mounting Hole:3.0mm
Feature:
Mini design, sound loud and clear, strong sense of hierarchy, ultra-small size, simple installation, wide application range, low prices, quality and stability
Package Include : 1 x 3W 3W Wireless Bluetooth 4.0 Audio Receiver Steady Digital Amplifier Board
401403148775/2 - ali110 (280)