ST21PRO TPA3221 Bluetooth 5.0 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W TREBLE Bass note tuning AMP

Product Feature： This is a 2.1-channel power amplifier with 5.2 Bluetooth function (no blocking signal within 10 meters), subwoofer + stereo function, which can adjust the subwoofer frequency and volume separately.Separate adjustment of stereo channel treble frequency, bass frequency adjustment, volume control!

ST21 TPA3221 2.1 Channel digital power amplifier Bluetooth 5.2 100W*2+200W. ST21 TPA3221 1.Bluetooth version: 5.2 (without sunscreen, 15 meters) 2.Output channel: 2.1 channel 3.Chip model: TPA3221*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 : 100W*2+200W 6.Frequency response: 20Hz to 20KHz 7.Working voltage: DC12V - 30V 8.Recommended power voltage: DC24V 9.Fit speaker parameters: 4-8 ohms 10.Size: 112mm * 102mm * 28mm 11.Net weight: about 245g

Brand Name: HIFIDIY LIVE Certification: NONE semi_Choice: yes Channels: 3 (2.1) Package: Yes Maximum Power Per Channel: Above 200W Origin: Mainland China Choice: yes