3W 4Ω Miniature Loudspeaker for Arduino, Dupont Interface.

CQRobot has carefully configured this passive miniature loudspeaker for makers and electronics enthusiasts, Compared with the previous generation, the volume level has been greatly improved. This miniature loudspeaker uses 2.54mm dupont interface, resistance 4 ohms, power 3 watts, long strip size, with mounting screw holes, suitable for all kinds of small DIY electronic projects, the sound is clear and pleasant without distortion.

Wiki: http://www.cqrobot.wiki/index.php/Miniature_Loudspeaker_3_Watt_and_5_Watt_SKU:_CQRLS-A

SPECIFICATIONS

• Resonance Frequency: 500 Plus/Minus 20% Hz;
• Impedance: 4 Ohm Plus/Minus 15% at 1 khz 1.0V;
• Power: rated power / maximum power 2.0W / 3.0W;
• Sensitivity: 82 Plus/Minus 3dB (1w / 0.5m) at 1.0K Hz;
• Effective frequency range: FO to 15 KHz;
• Distortion factor: Less Than 5% MAX; (AT 1.0KHz 0.5W 0.5M)
• Polarity: When a positive DC current is applied to the terminal marked +, the diaphragm shall move forward;
• Buzz &; rattle test: 4.0V FO to 15KHz;
• High Temperature Storage Test: 80 Degree Celsius Plus/Minus 5 Degree Celsius - 96 Hours;
• Low Temperature Storage Test: -40 Degree Celsius Plus/Minus 5 Degree Celsius - 96 Hours;
• Magnet: Nd-Fe-B, 12.5mm * 2mm;
• Size: 70mm * 31mm * 16mm;
• Screw hole distance: 24mm * 63mm;
• Interface cable length: 40cm;
• Total weight: 24g.

SHIPPING LIST

2 * 2.54mm Dupont interface 4 ohm 3 watt miniature loudspeaker