TPA3255 315W+315W Bluetooth Receiver Bluetooth DAC Hifi Digital Amplifier Board Power Amp Board

TPA3255 315W+315W Bluetooth Receiver Bluetooth DAC Hifi Digital Amplifier Board Power Amp Board

Description:
The new amplifier board improves the problem of high voltage protection, and it works normally when 52V is used. Hifi components are also used. Auxiliary power supply is a class A linear power supply, which is more dynamic and sound quality is significantly improved! The amplifier board can drive 2-16 ohm speakers. With the same power supply, the output power is increased by up to 50%.

TPA3255 is a high-performance class D power amplifier chip. It has a circuit with class D efficiency and is capable of delivering truly high-end sound quality. The device features an advanced integrated feedback design and proprietary high-speed gate driver error correction (for PurePath Ultra HD). This technology allows the device to maintain ultra-low distortion over the entire audio frequency band while exhibiting sound quality.

In addition to excellent audio performance, the TPA3255 combines high power efficiency with ultra-low power stage idle loss (less than 2.5W). This can be achieved with 85mR MOSFETs and an optimized gate driver scheme. The scheme significantly reduces idle losses compared to traditional discrete implementations.

Upgrades:
- Under the same power supply conditions, its output power is increased by 50%
- Two secondary bucks are added to reduce background noise
- Op amp power supply increased from 12V to 18V
- Upgrade three-wire to four-wire balanced input op amps
- Optimized circuit layout for 10% higher safety and 10% lower temperature

Features:
- 315W+315W class D hifi amplifier board
- With a Bluetooth receiver DAC module
- Premium components: Original Hifi capacitors for ELNA, audio special inductors, replaceable op amps, original filter capacitors for Nichicon and professional bypass capacitor for Fairchild
- Board size: 122 x 73 x 30mm/4.8 x 2.9 x 1.2" (LxWxH)

Specifications:
- Power amplifier chip: TPA3255
- Input mode: 3.5MM stereo wired socket (3P); Bluetooth 5.2 input mode
- Work efficiency: >90%
- Output power: 315W/4Ω 1.5% distortion, 185W/8Ω 1.5% distortion, 260W/4Ω 1% distortion and 150W/8Ω 1% distortion
- Frequency response: 20Hz to 20KHz
- Dynamic range: >100dB
- SNR: >111dB
- Power supply: DC19 to DC50V (recommended: current above 5A)
- Board size: 122 x 73 x 30mm/4.8 x 2.9 x 1.2" (LxWxH)

Package Included:
- 1 x Power Amp Board