AS21 TPA3255 Bluetooth 5.2 2.1 Channel Subwoofer Power Amplifier Board 300WX2+600W REBLE Bass Note Tuning AMP DC19V-50V

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! Pull the power switch independently AS21 TPA3255 2.1 Channel digital power amplifier Bluetooth 5.2 300W*2+600W.

• Note: The volume control adopts press pause/play, and 360 degree infinite adjustment volume. Supports 3 audio input modes: AUX input, Bluetooth input,U disk playback (APP connects to Bluetooth control).
• 1.Bluetooth name: Turn on your phone's Bluetooth and search for "XinYi" --> Connect "XinYi". 2.APP Download ： Mobile App market or App store， Search："Sinilink" . 3.APP Usage: 1. Turn on the Bluetooth of the mobile phone and turn on the location positioning; 2. Enter the APP operation interface --> Click the yellow dot --> Click Bluetooth device --> Search Bluetooth --> Connect "Sinilink-APP"
• 【Treble and Bass Controls！】 If you are tired of the inherent treble and bass, why not try the treble and bass control knobs! No matter what, you can always create the sound you like.
• 【How many input modes？】 If you are inserting USB or AUX while playing music in Bluetooth mode, the power amplifier board will automatically switch to AUX or USB.Memory mechanism: if you used Bluetooth mode last time, this time before the power on of the power amplifier board, whether you plug in AUX or USB, the power on of the power amplifier board is still in Bluetooth mode. If you used AUX mode or USB mode last time, the power amplifier board will be in AUX or USB mode this time.
• 【Additional Features！】In order to explore the maximum potential of this power amplifier board, we have developed an APP for this power amplifier board. You can adjust the sound effect of the power amplifier board through the APP, set the Bluetooth name and password of the power amplifier board, and even set whether a prompt sound is required, etc.
• 1.Bluetooth version: 5.2 (without sunscreen, 15 meters) 2.Output channel: 2.1 channel 3.Chip model: TPA3255*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 : 300W*2+600W 6.Frequency response: 20Hz to 20KHz 7.Working voltage: DC19V - 51V 8.Recommended power voltage: DC42V 9.Fit speaker parameters: 4-8 ohms 10.Size: 124mm * 124mm * 44mm 11.Net weight: about 493g