Miniature Loudspeaker 3 Watt 4 Ohm Passive Enclosed Audio/Woofer Speaker Compatible with Arduino Board. 2.54mm Dupont Interface, for a Variety of Small DIY Electronic Projects.

Price: $8.99
(as of Mar 11, 2025 10:53:20 UTC – Details)

CQRobot has carefully configured this passive miniature loudspeaker for makers and electronics enthusiasts, Compared with the previous generation (ASIN: B0822XCPT8), 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.
Note: For technical support, please refer to CQRobot Wiki to get the test code, 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
2.54mm Dupont interface, cable length 40cm (15.75 inches)；
Power: Rated Power / Maximum Power 2.0W / 3.0W；
Impedance: 4 Ohms Plus/Minus 15%；
Size: 70 mm * 31 mm * 16 mm / 3.1 inch * 1.2 inch * 0.63 inch (L* W * T)；
2 Pcs/1 Pair 2.54mm Dupont interface 4 ohm 3 watt passive miniature loudspeaker encapsulation.