TEA2025 Stereo Audio Amplifier IC
LM1876 Dual 20W Audio Power Amplifier IC
- Dual 20W Audio Power Amplifier with Mute and Standby Modes
- Spike Protection
- Minimal amount of external components necessary
- Quiet fade-in/out mute mode
- Standby-mode
- Isolated 15-lead TO-220 package
- THD+N at 1 kHz at 2 x 15W continuous average output power into 4Ω or 8Ω: 0.1% (max)
- THD+N at 1 kHz at continuous average output power of 2 x 20W into 8Ω: 0.009% (typ.)
- Standby current: 4.2 mA (typ.)
VS1053 MP3 Recording Module Development Board with Onboard Recording For UNO
- SPI interface, the control signal lines are led out
- A headphone and stereo output
- Onboard Microphone for recording
- A line-in input interface
- Separate 3.5 mm Jack for MIC and Speaker
- Onboard Power Indicator
- 3V and 2.8V of LDO chip AMS-1117 on board provides up to 800mA current
- Can play a variety of music formats, support for OGG encoding real-time recording
- A single power supply: +5 VDC
- 288 Mhz crystal
- TF card slot
TDA7492 50W*2 100W High Power Digital Amplifier Board
• Class D amplifier produces 2 x 50 watt @ 8 ohms
• Can be wired R+ to L+ for mono mode
• 8″ stereo wiring harness included
• Short-circuit and over-temperature protection
• Supply Voltage 10-26 V DC.
• Standby and mute features
• Short-circuit protection
• Thermal overload protection
• Externally synchronizable
TDA7498 High Power Digital Amplifier Board 2*100W DC 14-34V Audio Stereo Amplifier Board
- High power class d digital amplifier.
- Two-channel stereo, 2x100w power output.
- Material: Metal
- 100 W + 100 W output power at THD = 10% with RL = 6 Ω and VCC = 36 V
- Wide-range single-supply operation (14 - 39 V)
- High efficiency (η = 90%)
- Four selectable, fixed gain settings of nominally 25.6 dB, 31.6 dB, 35.1 dB and 37.6 dB
- Applicable speaker impedance: 4/6/8 ohm(8 ohm is the best).
- Differential inputs minimize common-mode noise
- Standby and mute features
- Short-circuit protection
- Thermal overload protection
- Externally synchronizable
- size: 110*70*10mm
TDA7498E Double 160W Power Amplifier Dual Channel Stereo Audio Amplifier Module Support BTL Mode
- Amplifier chip: TDA7498E
- Working voltage: DC 15-36V (Recommend 32V, 8A, if power is too small will appear distortion and so on.)
- Output power: 2 x 160W
- Number of channels: Two-channel Stereo
- Efficiency: 85%
- Applicable speaker impedance: 4/6/8ohm (8ohm is the best).
- 160-W + 160-W output power at THD = 10% with RL = 4 Ω and VCC = 36 V
- 1 x 220 W output power mono parallel BTL at THD = 10% with RL = 3 Ω and VCC = 36 V
- Wide-range single-supply operation (14 - 36 V)
- High efficiency (η = 85%)
- Parallel BTL function using the MODE pin
- Four selectable, fixed gain settings of nominally 23.8 dB, 29.8 dB, 33.3 dB and 35.8 dB
- Differential inputs minimize common-mode noise
- Standby and mute features
- Smart protection
- Thermal overload protection
- Small offset less than 20 mV
- PCB board size: 108 x 78mm
- Weight: 172g(approx.)
Red – 2 Channel 3W Digital Power PAM8403 Class D Audio Amplifier Board USB 5V
- 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.
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%,
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