ITEM NAME:2 Channel High Power Bluetooth Digital Description: Power amplifier chip: TDA7498E (2X160W chip). Output power: 2X160W (using 4 ohm impedance speaker unit, input voltage 36V DC output power 160W+160W); Working voltage: 15~36VDC DC with input polarity reverse protection. Speaker impedance: 4 ohms 6 ohms 8 ohms. Heat dissipation method: temperature controlled forced air cooling (heat sink temperature is high to a certain extent, fan operation is forced to dissipate heat). Work efficiency: 85% (official information); Support BTL mode (J1, J2, J3, J4 short on the back of the power amplifier board) 36V power supply 3 ohm mono 220W output (TDA7498, TDA7498L chip does not support this function). Specification: Size: Approx. 102x79mm/4.02x3.11 inch Package Includes: 1 Piece High Power Amplifiers Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. SKU: DMO0013460873018306.1 Piece High Power Amplifiers. Power amplifier chip: TDA7498E (2X160W chip). SKU: DMO0013460873018306. People always bought together with.