| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $47.43 | $46.46 | $45.01 | $43.08 | 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
TDA7492 Mini Power Amplifier + ower Supply (110V-240V) 50W+50W
Features:
- coupling capacitors used Siemens capacitors 0.47UF, the main filter electrolytic
- Capacity usethe Philips brand, the capacity is 2200UF/25VUF * 2, TO ensure strong stream of power.
- Resistance selecte the five rings metal resistance, the main circuit use ± 1% of the five rings accuracy .Metal film resistors, to ensure a good signal. the PCB use 1.6mm thick double-sided sheet thickness of 2.0 oz copper spray tin process to ensure the good performance of the current, the higher quality for the PCB. (The amplifier board rational design and the sound up to the maximum with 4 ohms the speaker voice continued.
Specification:
- Work: D
- Quiescent Current: 50mA
- Work efficiency: 90%
- Rated output power: 2 * 50W
- Frequency response: 20Hz to 20KHz
- Operating voltage: DC20V to DC24V
- Recommended power supply voltage: DC24V
- Maximum output current: 5A
- PCB size: (115 × 83) mm
