| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $13.71 | $13.43 | $13.01 | $12.45 | Contact US |
KSA5-mini Class A Headphone Amplifier Power Amplifier Small Headphone Amp (Main Unit + Power Adapter)
$115.76
KSA5-mini Class A Headphone Amplifier Power Amplifier Headphone Amp with Small Volume (Main Unit)
$77.51
TPA3255 High Performance Class D Power Amplifier Board 2.0 Channel Mini Digital Audio Stereo Amplifier Module
$26.56
Professional VU Meter Level Meter Power Meter Driver Board w/ Dynamic Compression 4 Level Protection Functions
Features:
- Adopting imported integrated circuit chip designed for audio level testing, including square root dynamic index compression circuit (eg: input 1V, out 1V. in 4v, out 2v. In 9v, out 3.v), can be both dynamic and precision nstructions, modified needle swing
- Not need independent power supply, can be directed lead out from original power. Compared with TA7318P/TA7332P, it reduces a tranformer, more internal space make the installation more flexible
- Input is with low-pass filter circuit, filter out high frequency interference, suitable for tough environment
- Output sensitivity adjustable, suitable for all kinds of header
- 12VDC power supply, convenient to be used at vehicle receiver and PC
- Has power polarity reverse connect protection function
- Has power needle protection function
- Adopting 0.5W metal film resistor
Parameters:
- Input sensitivity: input 400Hz audio signal, input end: 97mV, 39 level meter needle points to ＋3dB
- PCB dimension: 5.2*6.3cm
- Backlight power supply terminal: can provide DC10～12V 50MA, supply power for small light backlight
