S220H TDA7498E 1.Bluetooth version: 5.0 (without sunscreen, 15 meters) 2.Output channel: 2.1 channel 3.Chip model: TDA7498E*2 1.Working mode: class D 2.Static current: 60mA 3.Work efficiency: 90% 4.Audio input: support bluetooth, AUX analog signal, U disk / USB sound card 5.MAX output power : 160W*2+220W 6.Frequency response: 20Hz to 20KHz 7.Working voltage: DC12V - 38V 8.Recommended power voltage: DC24V 9.Fit speaker parameters: 4-8 ohms 10.Size: 126 mm * 116mm * 26mm 11.Net weight: about 365g