ALAMSCN 2PCS 1.5" 4Ohm 3W Audio Stereo Speaker Round Loudspeaker + 2PCS 3Wx2 DC 5V Digital Amplifier PAM8403 Amp Module for Arduino DIY Replacement

ALAMSCN 2PCS 1.5" 4Ohm 3W Audio Stereo Speaker Round Loudspeaker + 2PCS 3Wx2 DC 5V Digital Amplifier PAM8403 Amp Module for Arduino DIY Replacement

• High-efficiency speaker DIY kit--Clear sound output, low noise, bring good listening experience. 5V power supply can be used, suitable for batteries or portable electronic products.
• 1.5" 4Ohm 3W Speaker--Diameter: 40mm; Height: 20mm; Rated power: 3W; Rated impedance: 4Ω; Sensitivity: 100 dB/W.
• With PAM8403 Amplifier Board--DC 5V digital power Amp module 2 Channel 3W+3W, easy and smooth to adjust the volume and control the power switch with potentiometer.
• Package Includes--2* 1.5" 4Ohm 3W Speakers + 2* PAM8403 Amplifier Boards.
• Note: 1. Do not apply power to the amplifier without speakers connected, this will result in damage to the amplifier; 2. Please make sure operating voltage less than 5.5V, or the amplifier will be damaged.