ZK-3002 2G Second-Generation Upgraded DC18-50V Pure Post Amplifier Board 300W+300W Dual Channel 600W Mono Amplifier Chip TPA3255

Features:1. Adopting the original imported TPA3255 chip, the sound quality is pure, the performance is stable, and it supports high-power output.2. Equipped with a temperature controlled fan for intelligent heat dissipation, effectively reducing temperature and ensuring long-term stable operation.3. Support MCU intelligent anti POP sound technology, with no noise when turning on and off, enhancing the auditory experience.4. Equipped with a digital amplifier specific high current inductor, low magnetic loss, anti-interference, and better sound quality.5. Support BTL/PBTL bridging mode switching, adapt to multiple speakers, and expand usage scenarios.Product Parameters:Product Name: 300W Dual Channel/600W Single Channel Pure Rear Stage Amplifier BoardAmplifier chip: original TPA3255Product model: ZK-3002 2GSuitable power supply: Operating voltage range of 18-50VDC, maximum voltage of 53V. It is recommended to use a DC power supply with a voltage of 36-48V and a current of 10A or above. The higher the voltage, the greater the output power.Compatible speakers: 3-8 ohms, 50-300W in BTL dual channel mode; 2-8 ohms, 100-600W in PBTL mono modeCooling method: Temperature controlled automatic air cooling, or manually select the fan to run continuously.Volume adjustment: Analog potentiometer with stepless adjustment, equipped with mechanical switchBridge method: Power off first, turn the 1st dip switch to the ON position, and the output terminals R+L+are short circuited for parallel output, and R-L - are short circuited for parallel output.Maximum power: 2 in BTL mode* 300W@50V 4Ω， 160W@50V 8Ω； In PBTL mode, 600W@50V 2Ω， 300W@50V 4Ω， 160W@50V 8ΩProtection mechanism: Input undervoltage, overheating, overcurrent, short circuit protection. No input anti reverse protection, positive and negative poles cannot be reversed!Product size: 145x65x37mmProduct List:1X power amplifier board1X accessory kit