| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $19.65 | $19.25 | $18.65 | $17.84 | 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
Preamplifier Two Divider Plate Can Change Frequency Divider Point Adjustment
Description:
- This board is similar to US ESP design, stereo sound four channel output structure, input stereo left right channel signal, output 4 channels of signal, can directly drive four channels amplifier circuit
- A class power supply for operational amplifier, surpass LM317 337 78XX
- Circuit is with four times preamplifier gaining amplifying
- Filter type: Linkwitz-Riley filter
- Frequency divider point: 2200HZ
- Attenuation slope : -24dB/ Oct
- Board structure: stereo four channel output, high pitch, low pitch
- OP chip: original dual precision NE5532
- Board size: 173*69mm, install pitch: 133*75mm
- AC transformer power supply range: dual 14V---dual 19V
- Connector: audio input/ frequency divider output------two lotus socket*3
