ALAMSCN 2PCS 1.5" 4Ohm 3W Audio Stereo Speaker Round Loudspeaker + 2PCS 3Wx2 DC 5V Digital Amplifier PAM8403 Amp Module for Arduino DIY Replacement
Size:
1.5" 4Ohm 3W
En stock
0.20 kg
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Amazon
USA
- Specifications: 3W 4Ohm SpeakerDiameter: 40mmHeight: 20mmShape: RoundRated power: 3WRated impedance: 4ΩFrequency response: 170kHzSensitivity: 100 dB/WSignal to noise ratio: 1 dBHarmonic distortion: 1 TMD% PAM8403 Amplifier BoardOperating voltage: DC 3-5.5VMax output: 3Wx2 (5V 4Ω)Efficiency: 90% Package Includes2 pcs 1.5" 4Ohm 3W Speakers 2 pcs PAM8403 Amplifier Boards
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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.