DESCRIPTION:
No DC isolated power: for battery, making bluetooth headset.
It can be connected to two phones (the only way: boot automatically chainback last paired phone,the penultimate pairing the phone will need to manually connect).
With a call feature CSR8645 low power consumption the p..
DESCRIPTION:
Power supply: Need matchs outside battery (do not include the battery)
Function: Bluetooth connection, plug wire connection card radio voice prompt function remote call
Size: 40x5x50mm
Broadcast time: 24 hours
Whether to support APP: yes
Connection mod..
DESCRIPTION:
The PAM8403 audio amplifier chip, 3W * 2 filter-free stereo class-D audio amplifier
Then 2 channel 5.08 (mm) pitch 2P terminal wiring output, respectively, for the left and right channels
The chip pin has led convenient external device control
Operating voltage: ..
DESCRIPTION:
The OPA1632 is a fully differential amplifier used to drive high-performance audio analog-to-digital conversion (ADCs). The highest audio quality , which provides very low noise and output drivers , this application is optimized for the de..
DESCRIPTION:
Voltage input range: DC0-25V
Voltage detection range: DC0.02445V-25V
Voltage Analog Resolution: 0.00489V
DC input connector: Terminal cathode connected to VCC, GND negative pole
Output interface: "+" then 5/3.3V, "-" then GND, "s" then the for Arduino AD pins
..
DESCRIPTION:
PAM8403 is a small digital amplifier chip, high-definition sound to highlight the advantages of digital chips , circuit surrounding the most reasonable configuration , power supply filtering is upgraded to 470uf ( some sellers do not even have less 100uf capacitor ) 1.6mm glass plate..
DESCRIPTION:
Excellent noise suppression,you will hear any noise without connecting input audio.
Dual-channel stereo,only needed 5V power supply can input 5W+5W power,it can drive 4Ω,8Ω little speaker directly,with large output power,enough energy,superior quality,and left right channel..
DESCRIPTION:
Ultra volume:23*24MM Weight 0.45 grams
Excellent noise suppression,you will hear any noise without connecting input audio.
Dual-channel stereo,only needed 5V power supply can input 5W+5W power,it can drive 4 ,8 little speaker directly,with large output power,..
AC/DC12V TDA7297 REV A LOW NOISE AUDIO AMPLIFIER BOARD 2*15W Dual-Channel STEREO
Product description:
A single set of power supply 12 v power supply TDA7297 amplifier board
Double track/stereo
Use 12 v / 2 a
15 w + 15 w output power
Pe..
DESCRIPTION:
TDA8932 35W mono digital amplifier module
The board uses a high-performance digital amplifier TDA8932 chip, a small size, high efficiency, high power, good sound quality, without additional installation of radiator, very suitable for the transformation of active speakers, electro-..
DESCRIPTION:
Sound quality is very good and it can drive 4/6/8 ohm speakers. It has sufficient and high power output 2*160W.
FEATURES:
High output power digital amplifier.
Sound quality is very good by using this module.
Two-channel stereo, 2*160W.
DC 15-36V..
DESCRIPTION:
TDA7498 is a 100 w + 100 w class D audio amplifier. The IC chip adopts the single power supply, mainly used in home theater and active speakers. And naked cooling pad up TDA7498 adopted EPU hyper-threading encapsulation.
FEATURES:
Output power:100w+100w (VCC+32V,RL=4ohm,THD=..
DESCRIPTION:
The product has been upgraded, with power input reverse polarity protection
It automatically enters pairing mode after boot, the search display device name: Xpecial Audio
Power supply: 9 ~ 14V DC power supply (12V is recommended to use)
Audio input: Bluetooth stereo inp..
DESCRIPTION:
This amplifier board have two power input End and Two audio input End,you can choose each one!
The amplifier board adopts two imported TPA3116D2 digital amplifier chip as the core,one piece as left and right channel power amplifier,other piece as pre-bridge brive..
DESCRIPTION:
Audio type: TPA3116D2
Input voltage: DC 5-24V
Operating frequency: 20Hz-20Hz
Output type: double track; stereo
Machine size: 84*51*29mm (excluding potentiometer)
FEATURES:
A full range of protection system, with reverse connection of power supply prote..