Product name: Bluetooth 5.0 power amplifierBluetooth version: JL-AC6925A-5.0Power supply voltage: DC12-24VSupply current: 3-5AOutput power: 26Wx2/ 8 ohmOutput impedance: 8 ohmsNote:1. The power supply of the power amplifier board requiresDC 12-24V 3A regulated switching power supply (the battery and charger, transformer and AC switching power supply cannot be used for testing)DC12V 3A (above) power supply, the maximum output power is 2*15W /8 ohms (full volume may be distorted after turning on)2.DC24V 3A power supply, the output power can reach up to 2*26W /8 ohm continuous power (4 ohm speakers may be protected) (all volume may be protected)3. Do not connect to a battery with a standard 24V, because the battery may exceed 25V after being fully charged, and the capacitor on the board is 25V, there is a risk of explosion 4. Do not connect the 24V battery of a large truck, because the charging voltage reaches 28-32V when the truck is on fire, and it will burn Colour:black+greenMaterial:plasticSize:about 96 x 48 x 46mmPackage Contents:1 x Bluetooth Amplifier(without supply power)Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.