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Bluetooth 4.1 Audio Module CSR8630 KRC-86B Wireless Stereo Receiver Micro USB 3.5MM Speaker Amplifier Sound Sensor

  • Operating voltage: Micro USB input 7-5V
  • Output port: 3.5mm audio input and output ports
  • Bluetooth version: V4.1 + EDR
  • Button interface: 3 key 2.0 interface
  • Support equipment: 2
  • Back to the functions: automatic back to even
  • Imported British CSR8630 Bluetooth chip, support A2DP, AVRCP.
  • 2-one design, non-multi-plate patchwork, stable performance
  • Size: 30 mm * 30 mm

DC 10-25V Digital Wireless Power Amplifier Dual Channel Stereo 2*15W for Background Music

  • Audio Input: Wireless.
  • Receiving Distance: 10M.
  • Power Output: Dual-channel 15W+15W.
  • Applicable Speaker Impedance: 4/6/8/10 ohm.
  • Supply Voltage: DC 10-25V.
  • Power Supply Interface: 2.54*3PIN.
  • Speaker Interface: 2.54*2PIN.
  • PCB Board Size: 58 * 38mm
  • Weight: 14g

DC 5V Bluetooth Power Amplifier Board Micro USB Digital Amplifier Module

  • Amplifier Chip: PAM8403
  • Operating Voltage: DC 5V.
  • Output Power: 2x 3W.
  • Applicable Speaker Impedance: 4/6/8 ohm
  • Audio input mode: Bluetooth audio receiver
  • Mini size, convenient and easy operation
  • Output interface: 2.54 gauge 4 needle
  • Dual-channel digital power amplifier Board PBTL.
  • 3W output and low power consumption.
  • The sound quality is very good by using this module.
  • Application: DIY Bluetooth speaker, home, and car audio system modification.
  • Dimension: 42 x 25 x 5mm
  • Weight: 3 gm.

Digital PAM8610 2*15w dual channel stereo class amplifier board 12V

200.00 150.00
The PAM8610 designed as a 15W (per channel) stereo Class-D audio amplifier. It provides DC Volume Control which offers low

Digital TPA3116D2 2.1 HIFI Subwoofer Amplifier Board 50w+50w+100w Beyond

  • Most Perfect 2.1 digital amplifier board.
  • 8.20 latest upgrated version
  • Gain promoted to 36DB,
  • Adopts two high-quality TPA3116D2 digital amplifier chips.
  • Good sound quality, high efficient device and power amplifying feature.
  • 50W x 2+100W 1 channels(left/right channel and subwoofer channel), high efficiency and low-heat.
  • Powered by DC 12-24V, wide input voltage.
  • User can adjust the volume by themselves easily.
  • Applicable speaker impedance: 4-8 ohm.
  • Just connect the power supply and loudspeaker box, enjoy pure digital music. Adopts two high-quality TPA3116D2 digital amplifier chips.
  • Left and right channel output 50WX2, subwoofer output 100W, efficiency can reach above 90%,

LM386 LOW VOLTAGE AUDIO POWER AMPLIFIER

200.00 150.00
  • Supply Voltage: 4-15V
  • Analog input voltage 0.4V (maximum)
  • Quiescent Power: 24mW @ 6V
  • Voltage Gain: 20 to 200 (26dB to 46dB)
  • PSRR: 50dB
  • Speaker impedance: 4Ω
  • On board power indicator
  • On board speaker wiring block
  • On board 10k variable resistor, for volume adjustment
  • 200 multiplier benefit circuit design
  • Available in 8-Pin PDIP,SOIC and VSSOP packages
  • Used in AM & FM radio amplifiers, music players, power amplifiers etc.
Dimension:41*13mm

PAM8403 DIGITAL AMPLIFIER BOARD

100.00 50.00
  • 3W output at 10% THD with a 4ohm load & 5V power supply
  • Output power: 3W
  • Supply voltage: 2.5V-5.5V
  • Low THD+N
  • Superior low noise
  • efficiency up to 96%
  • Thermal shutdown
  • Low quiescent current and low EMI
  • Few external components to save space & cost
  • High fidelity sound output 3W + 3W, is a rare good product
  • High amplification efficiency of 85%
  • Unique without LC filter class D digital power board
  • Can use computer USB supply directly
  • High life expectancy up to 15 years
  • Dimension:24*15mm
   

PAM8406 Digital Amplifier Board 5W×2 Volume Adjustable D class module

  • Working voltage:3.5 - 5V, limit operating voltage 5.5V
  • Excellent noise suppression can hear any noise without connecting input audio
  • Dual-channel stereo, 5v power supply is needed that can input 5w+5w power, to drive 4, 8 little speaker directly
  • Volume adjustment of the right and left channel
  • The unique non-LC filter Class-D digital power board used computer USB to charge.
  • Dual-panel wiring solves the ground potential balance and avoids the crosstalk between channels caused by wiring
  • Super miniature design
  • Used machine to weld whole plate.
  • Weight: 15 grams.

POWER SUPPLY TDA2030 AUDIO AMPLIFIER

  • Operating voltage: 6V-12V
  • Output peak current: 3A
  • Onboard TDA2030A Audio amplifier Board
  • Mono channel 18W Power amplifier circuit design
  • Onboard horn socket
  • Onboard 10 k adjustable resistance, can adjust the volume of the amplification
  • Onboard power indicator light
  • Low harmonic distortion
  • Chip has lead to the main pin, can directly input audio signal
  • Short circuit& thermal shutdown protection
  • Dimension:32*24mm
  • Weight:10gm

Red – 2 Channel 3W Digital Power PAM8403 Class D Audio Amplifier Board USB 5V

90.00 50.00
  • Input Voltage: 2.5-5.5 V (USB power supply).
  • Output Impedance: 4 ohm.
  • Efficiency: 90%.
  • Frequency Response: 150 Hz – 20 KHz.
  • Input Impedance: 2 K ohm.
  • A class D-type amplifier without a filter, low quiescent current, and low EMI.
  • Good noise suppression.
  • Input audio should be via sheilded wire.
  • Dual channel stereo output 3 w + 3 w power.
  • Works with 5v power supply.
  • Can directly drive 4 /8 Ohm small speakers.
  • When connects with a 4-ohm load and 5V power supply, the output power can be up to 3W.
  • Low THD, low noise.
  • Short circuit protectioN, thermal protection.
  • Dimensions: 15 x 20 mm.

TDA7266 Dual Audio Channel 7W + 7W Amplifier Module

  • Operating Voltage Range: 3 V to 18 V
  • Power supply:14W
  • On-board TDA7266 stereo audio amplifier chip
  • Output: dual-channel 7W + 7W
  • On-board 5.08 mm terminal blocks for the left and right audio channels
  • On-board potentiometer for volume adjustment
  • DC power jack
  • Minimum external components
  • On board TDA7266 audio power amplifier chip, double track 7W + 7W, suitable for 4-8 Euro, 5-15W speakers.
  • The main pin has led chip, convenient external device control, onboard 2 road 5.08 (mm) distance between two p terminal, around a track connection output respectively.
  • The on-board dial potentiometer, output size can adjust the volume.
  • Support in DC, terminal blocks, row needles 3 power input mode, the default for the DC,
  • Standby and mute functions
  • Short-circuit protection
  • Thermal overload protection
  • Dimension:45mm * 33mm * 30mm
  • Weight:7g

TDA7492P 50W Wireless Bluetooth 4.0 Audio Receiver with Digital Amplifier

  • Wide-range single-supply operation (8 – 26 V)
  • Audio input: Stereo input various versions of the Bluetooth connection, using CSR8635 Bluetooth chip, Bluetooth v4. 0, high software compatibility
  • 25 W + 25 W continuous output power at THD = 10% with VCC= 20 V and RL= 8 Ω
  • Output impedance: 8o (4, 6, 8, 16o impedance can drive speakers)
  • High efficiency (η = 90%)
  • Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6 dB
  • Differential inputs minimize common-mode noise
  • Standby and mute features
  • Short-circuit protection
  • Thermal overload protection
  • Externally synchronizable
  • Colour: Red
  • Material: Plastic