ZY- 2.1 Package List 1 x Audio amplifier module with 5 buttons 2 x Shell 5 x Button 4 x Gold Nut 4 x Gold Screw 8 x Black Screw 1 x Screwdriver Easy to install The illustration of each interface is printed on the protective plate, The has been installed successfully and is easy for use. Independent Treble & Bass Control The bass audio and volume can be adjusted separately, and with the left and right channel speakers, the 2.1 channel brings you a richer sound experience. ZY- 2.1 Package List 1 x Audio amplifier module with 5 buttons 2 x Shell 5 x Button 4 x Gold Nut 4 x Gold Screw 8 x Black Screw 1 x Screwdriver Easy to install The illustration of each interface is printed on the protective plate, The has been installed successfully and is easy for use.
Independent Treble & Bass Control The bass audio and volume can be adjusted separately, and with the left and right channel speakers, the 2.1 channel brings you a richer sound experience. Bluetooth 5.1 Audio Stereo Amplifier Board, 200W HiFi 2.1 Channel Mini Subwoofer Power Amp Module with Treble & Bass Control, DC 12-24 V, Audio Amp Board for Home DIY Wireless Speaker