<div class="detailmodule_dynamic"><kse:widget data-widget-type="customText" id="1005000004074434" type="relation"></kse:widget></div><div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div><br/>Features: <br/>1. Use high-quality materials with guaranteed quality <br/>2. Bridge single channel 600W, dual channel 300W+300W <br/>3. Easy to use, temperature controlled/manually controlled fan <br/>4. Use oxygen free copper wire to improve sound quality; Magnetic shielding mechanism has strong anti electromagnetic interference EMI performance <br/>5. Equipped with preamplifier, adjustable from 26-36dB</div><br/><p>Parameter:<br/>Product Name: 300W Dual Channel/600W Single Channel Pure Rear Stage Amplifier Board <br/>Amplifier chip: TPA3255 <br/>Adaptive power supply: Operating voltage range of 18-50VDC, maximum of 53V. It is recommended to use a DC power supply with a voltage of 36-48V and a current of 10A or higher. The higher the voltage, the greater the output power. <br/>Compatible speaker: 3-8 ohms, 50-300W in BTL dual channel mode; 2-8 ohms, 100-600W in PBTL mono mode <br/>Cooling method: Temperature controlled automatic air cooling, or manually select the fan to run continuously. <br/>Gain selection: potentiometer 10 level adjustment, 26dB-36dB <br/>Bridge method: Power off first, turn the 1st dip switch to the ON position, and short-circuit the output terminals R+L+for parallel output and R-L - for parallel output. <br/>Maximum power: <br/>In BTL mode, 2* 300W@50V 4Ω， 160W@50V 8Ω； <br/>In PBTL mode, 600W@50V 2Ω， 300W@50V 4Ω， 160W@50V 8Ω <br/>Protection mechanism: Input undervoltage, overheating, overcurrent, short circuit protection. No input anti reverse protection, positive and negative poles cannot be reversed!</p><p>Package include: <br/>Digital amplifier board * 1 <br/>Shell accessories * 1<br/></p></div></div><br/>