This is an ultra-thin and ultra-small side-firing cavity speaker with an ultra-thin 1318 five-magnetic speaker inside. It is widely used in voice broadcasts, notebooks, cameras, LCD screens, drones, digital photo frames, building intercom doorbells, central control panels, driving recorders and new intelligent electronic products with voice functions. SPECIFICATIONS - Model: CQR3525-4O2W-C; - Size: 35 mm * 25 mm * 6.8 mm / 1.37 inch * 0.98 inch * 0.26 inch (L* W * H); - Interface: JST-PA 1,25 mm 2-Pin; - Cable length: 80 mm; - Weight: 8g; - Power Rating: Rated Power Input 2 Watt/Max Power Input 3 Watt; - Impedance: 4 Ohm Plus/Minus 15% at 1kHz 3.46V; - Resonance Freq: 980Hz Plus/Minus 20% at 1.0V; - S.P.L: 88dB Plus/Minus 3dB/2.0W/0.1m at 800Hz,1000Hz, 1200Hz,1500Hz average; - Response: Fo—20 KHz, deviation–10dB max; - Distortion: 5% Max, at 1kHz 2 Watt; - Magnet: Nd-Fe-B ( ); - Operation Test: Must be normal at program source 2.0V; - Polarity: When a positive D.C voltage is applied to the terminal marked(+)or red the diaphragm should move to the front; - Terminal Strength: Capable of withstand a 500g load for 3sec; Without resulting in any damage or rejection; - Terminal Soldering Test: Speaker shall continue to operate after 10 sec. Stabilization test condition Suppling lead wire and solder on the terminal board and maintaining for 2seconds at temperature of 290 degree celsius to 320 degree celsius by hand iron; - Appearance: Should mot exist any kind of obstacle to be harmful to normal operation, not any remarkable damages, cracks, rust and distortions which may cause malfunction. SHIPPING LIST 2 * 4 Ohm 2 Watt / 3 Watt Rectangle Cavity Loudspeaker, with JST-PA 1.25 mm 2-Pin Interface Wire. See more

2 Pieces/1 Pair JST-PA 1.25 mm 2-Pin interface 4 ohm 2 watt / 3 watt passive miniature enclosed audio speaker woofer speaker cavity loudspeaker. Rectangle Size: 35 mm * 25 mm * 6.8 mm / 1.37 inch * 0.98 inch * 0.26 inch (L* W * H);. Impedance: 4 Ohms Plus/Minus 15%;. Power: Rated Power 2 Watt / Maximum Power 3 Watt;. JST-PA 1.25 mm 2-Pin interface, cable length 8cm (3.14 inches);.