TPA3255 Amplifier Board 600W Single 300W Dual Sound Channel Modes Adjustable Multiple Protections Design Compatible with 18-50VDC Power Source ( Item#: ET25879 )

The amplifier board features large power output capabilities, intelligent thermal dissipation and multiple protections, adopts premium elements for superior sound, compatible with 18-50VDC voltage, and user-friendly design, making it an appropriate choice for both professional and enthusiast-level audio applications. Designed to drive powerful audio systems, this amplifier board delivers a maximum of 600W in bridged mode and 300W per channel in stereo mode (dual channels). The bridging feature simplifies configuration for high-demand applications.

Features:

【High-Power Output & Flexible Bridging】: Designed to drive powerful audio systems, this amplifier board delivers a maximum of 600W in bridged mode and 300W per channel in stereo mode (dual channels). The intuitive bridging feature simplifies configuration for applications requiring substantial power output.

【Heat Dissipation & Intelligent Protections】: Equipped with a temperature-controlled fan and an oversized heatsink, the board ensures optimal thermal regulation, preventing overheating during intense usage. Integrated intelligent MCU popsound function and supports under-voltage, overheat, overcurrent, and short circuits protective functions, ensuring reliable operation.

【Premium Component for Superior Sound Quality】: Utilizing high-end elements, such as 3pcs JRC2068 operational amplifiers, solid electrolytic capacitors, and fever-level electrolytic capacitors, the board provides a rich, clear sound with minimal distortion. The custom digital amplifier inductors are designed for low magnetic loss and small parasitic capacitance, enhancing audio fidelity.

【Versatile Power Compatibility & Adjustable Gain】: Compatible with 18-50VDC voltage, the board can accommodate various powersupply configurations, making it adaptable for different setups. The gain can be finely tuned between 26-36dB via a potentiometer, allowing users to adjust the output level to meet different requirements.

【User-Friendly Design & Robust Connectivity】: The board features a simple yet comprehensive control panel, including ten levels of volumes adjustable function, a power bridging switch, and a 2.54mm pin-spacing 3-pin audio input connector. Its compact size and lightweight design make it easy to integrate into existing audio systems, while the windowed printed circuit board and back panel improve heat dissipation and aesthetics.

Specifications:

Name: Amplifier Board 

Material: printed circuit board

Adaptable powersupply: 18-50VDC, limit 53V. recommended to use direct current powersupply with voltage 36-48V and current 10A or above. The higher the voltage, the higher the output power.

Applicable speakers: 3-8 ohms in BTL dual-channel mode, 50-300W; 2-8 ohms in PBTL mono mode, 100-600W

Cooling mode: temperature-controlled automatic air-cooling or manually selecting the fan to keep turning

Gain selection: potentiometer 10-gear adjustment, 26dB-36dB

Bridging mode: power off first, 1 dip switch to ON position, output R+L+ shorted parallel output, R-L- shorted parallel output

Maximum power: BTL mode, 2*300W@50V 4Ω, 160W@50V 8Ω; PBTL mode, 600W@50V 20, 300W@50V 40,160W@50V 8Ω

Item size: 125 * 65 * 38mm / 4.92 * 2.56 * 1.50in

Item weight: 254g / 8.96ounce

Package size: 155 * 95 * 50mm / 6.10 * 3.94 * 1.97in

Package weight: 289g / 10.19ounce

Packing List:

1 * Amplifier Board