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 JST-PH 2.0 mm 2-Pin 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 * JST-PH 2.0 mm 2-Pin interface 4 ohm 3 watt miniature loudspeaker