2PCS 2" 4Ohm 3W Full Range Audio Stereo Speaker, 2PCS 3Wx2 DC 5V Class D Amplifier Module

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

2PCS 2" 4Ohm 3W Full Range Audio Stereo Speaker, 2PCS 3Wx2 DC 5V Class D Amplifier Module

Specifications: 3W 4Ohm Speaker Diameter: 53mm Height: 30mm Shape: Round Rated power: 3W Rated impedance: 4 Frequency response: 170kHz Sensitivity: 100 dB/W Signal to noise ratio: 1 dB Harmonic distortion: 1 TMD% PAM8403 Amplifier Board Operating voltage: DC 3-5.5V Max output: 3Wx2 (5V 4 ) Efficiency: 90% Package Includes 2 pcs 2" 4Ohm 3W Speakers 2 pcs PAM8403 Amplifier Boards

Key Features

• ✅ High-efficiency speaker DIY kit--Clear sound output, low noise, bring you the best listening experience. Any 5V power supply can be used, suitable for batteries or portable electronic products.
• ✅ 2" 4Ohm 3W Speaker--Diameter: 53mm; Height: 30mm; Rated power: 3W; Rated impedance: 4 ; 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* 2" 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.

✅ Product Dimensions: 0.39 x 0.39 x 0.39 inches; 0.71 ounces

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