1. Adopt original imported TPA3255 chip
2. The main filter electrolytic capacitor adopts a capacity of 470UF / 50V x 4, which ensures a strong source of continuous power support.
3. The resistor uses high-precision chip resistors to ensure a good signal-to-noise ratio.
4. Adopt special inductance for audio to ensure the sound is crisp and powerful.
5.PCB adopts 1.6mm thick double-sided board, 2.0 ounce copper thickness, and full tin-spraying process to ensure good passing performance of large and small currents. First-class PCB quality.
Descriptions:
TPA3255 Four-channel digital Class D amplifier board
TPA3255 is a high-performance Class D power amplifier, which has Class D efficiency and can bring true high-end sound quality. There is an advanced integrated feedback design and a proprietary high-speed gate driver error correction function. This technology allows the device to maintain ultra-low distortion throughout the entire audio frequency band while exhibiting perfect sound quality.
Basic performance parameters:
Working method: Class D
Quiescent current: 150mA
Work efficiency:. Greater than 90%
Output Power:
315W / 4Ω, distortion 10% x 4
185W / 8Ω, distortion 10% x 4
260W / 4Ω, distortion 1% x 4
150W / 8Ω, distortion 1% x 4
Frequency response: 20Hz to 20KHz
Dynamic range: Greater than 100 dB
Signal to noise ratio: (SNR) Greater than 111dB
Working voltage: DC24-48V switching power supply (DC) (It is recommended to use DC36V switching power supply. If the temperature of the radiator of the power amplifier board with DC48V power supply will be higher, you need to increase the fan cooling)
Material:ABS
colour:As Shown
Package Contents:
2 x Power Amplifier
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
