Description: Power supply: 2.1 interface DC 10~25V power supply (with power reverse connection protection) Audio input: Bluetooth reception Output impedance: 8 ohms best (can drive 4, 6, 8, 16 ohm impedance speakers) Amplifier chip: TDA7492P (with letter P is dual channel 25 watts) 25W+25W Output power: 2*25W Additional features: AUX audio input interface (wired audio input) Specification: Material: PCB board Product detailed size: 70*47*15mm/2.76*1.85*0.59'' Scope of application: Bluetooth speaker modified power amplifier board Package Includes: 1Pcs Wireless Bluetooth Power Amplifier Board
