ขาย class d บอร์ดขยายเสียงโมโน ราคาที่ดีที่สุด

Features: This is pure power amplifier board, the sensitivity of the input signal of 1.5Vrms, if your input signal voltage can't reach this value, recommend add preamp.  Mono channel, for 2.0 channel need bid two.  The rated output power: 500W ( DC +/- 65V power supply, 4 ohm load, distortion 10%). Specifications: Material: CCL  Color: blue Power supply: DC dual power supply 5870v Rated output power: 500w 65v power supply, 4 ohm load, 10% deformation) Efficiency: > 90% Signal to noise ratio: 90db Total harmonic distortion: 380w 65 power 4 ohm speaker, distortion < 0.1%) 280w 65 power 8 ohm speaker, distortion < 0.1%) Frequency range: 20Hz-20kHz Speaker: 4-8 ohm Voltage amplification: 36 times Input sensitivity 1.5v (RMS) Output short circuit protection: yes Output DC Bias Protection Speaker Protection: Yes Overheat protection: Yes, the temperature of the heatsink is higher than 100 C, and the output is turned off. Size: (Approx) 97x42mm Package Included: 1 PC x Amplifier Board Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. Use precautions:  Rated supply voltage is DC +/-65V, +/-58V ~ +/-70V range, do not over 70V! positive and negative do not pick wrong  Recommended power supply DC +/-65V  Recommended 4-8ohm / 10-18inch speaker  Carefully check before electricity, ensure the wiring is correct. #Amplifier #Board #Digital #Mono #Channel #D #HIFI #IRS2092S #500W #Audio #Components #Durable #High #Power #Home