Audio Module/ Amplifier

1. Gain range: 1 to 1000
2. Noise: 35 nV/√Hz RTI noise at 1 kHz
3. Single- or dual-supply instrumentation amplifier
4. Low power, 550 μA maximum supply current

1. Plug and Play device no software installation needed
2. Easy and portable
3. Works and all major operating systems
4. Supports 5.1 Surround and 3D sound
5. No external power supply needed
6. Boost the signals for Headsets

1. Excellent durability and coexistence
2. Guarantee the stability of Bluetooth transmission through multiple technologies
3. Intuitive LED indication
4. Bluetooth 4.2 Version
5. Wireless transmission distance ≥ 10 meters
6. Adopt the latest Bluetooth 4.2 protocol, backward compatible with other versions of Bluetooth protocol

1. Comes with IR Remote Control
2. Stereo Digital Audio Output
3. Can be used as an audio receiver
4. Support USB/TF Card Slot/Bluetooth/FM/AUX switching, also supports folder selection and playback
5. Stereo Bluetooth with a call can also receive hands-free calls

1. Module own antenna, good RF distance, and consistency
2.  128K EEPROM
3.  USB sound card function
4.  AUX-IN input switching function
5. Support A2DP, AVRCP, HSP, HFP and other protocol frameworks

1. Working Voltage: 3.7V Lithium Battery 600MA or 5V USB Power Supply
2. With Power supply, it can play Automatically
3. With Multifunction LED indicator
4. Supports MP3 format playback
5. Supports USB audio mode

1. Amplifier Chip: PAM8403
2. Operating Voltage: DC 5V.
3. Output Power: 2x 3W.
4. Applicable Speaker Impedance: 4/6/8 ohm
5. PCB Board Size: 42 x 25 x 5 .

1. Input Voltage: 2.5-5.5 V(USB power supply).
2. Output Impedance: 4 ohms.
3. Efficiency: 90%.
4. Frequency Response: 150 Hz – 20 kHz.
5. Input Impedance: 2 Kohm.

The MT8870 module is a low power device DTMF decoder chip. It is a complete DTMF receiver integrating both the band-split filter and digital decoding functions. This module is suitable for modem interfaces, mobile radios and other DTMF related applications.

PAM8406 Digital Amplifier Module With Volume Control Potentiometer is an excellent noise suppression module. If you don’t receive input audio, you will not hear any noise on your ears.

1. Module chip using PCF8951
2. Module supports external voltage input of the 4-way acquisition (voltage input range of 0-5v)
3. The module integrated photoresistor by AD collection precise value of the ambient light intensity
4. Module integrated thermistor by the precise value of the ambient temperature of the AD acquisition
5. Module integrated 1 channel 0-5V voltage input acquisition (the blue potentiometer to adjust the input voltage)
6. Modules with power indicator (for the module power supply indicator lights)
7. Modules with DA output indicator, when the module DA output interface voltage reaches a certain value, will be lit panel the DA output indicator, the higher the voltage, the more obvious indicator brightness

1. Operating voltage: 6 to 12V DC
2. Onboard TDA2030A Audio amplifier IC
3. Mono channel 18W Power amplifier circuit design
4. Onboard horn socket
5. 10 k adjustable resistance to adjust the volume of the amplification
6. Onboard power indicator light
7. Chip has lead to the main pin, can directly input the audio signal

1. Dual-Channel Stereo Output
2. Run-on 10V to 26V power Supply
3. PowerSSO -36 EPU Package
4. Much higher efficiency in terms of cost and performance than competitors’ IC’s

1. 25 W + 25 W continuous output power at THD = 10% with VCC= 20 V and RL= 8 Ω
2. Wide-range single-supply operation (8 – 26 V)
3. High efficiency (η = 90%)
4. Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6 dB
5. Differential inputs minimize common-mode noise
6. Standby and mute features
7. Short-circuit protection

1. Working mode: Class D
2. Quiescent current: 60mA
3. Work efficiency: 90%
4. Rated output power: 100W + 2 x 50W
5. Frequency response: 20Hz to 20KHz
6. Operating voltage: DC18V to DC24V
7. Maximum output current: 3A

1. Chip type: TPA3116D2
2. Chip protection: overvoltage under-voltage superheat DC detection short circuit
3. Supply voltage: DC 12V to 24V
4. Output power: 80W X 2
5. Power efficiency > 90%
6. Number of channels: double channel output
7. Module Size: 60 x 32 x 14mm

1. Original TPA3116D2 core technology
2. Easy Plug and Play Operation
3. Dynamic operating Voltage Range: 12 to 24V
4. High fidelity 120W out at both Channel