GHXAMP 4 Inch Woofer Subwoofer Unit 4ohm 40W Polymer Cap Long Stroke Rubber For Computer Multimedia Speaker Upgrade 1PC

1. The cone is made of cotton and en fiber + bark fiber, and the hanging edge is made of rubber and foam composite. Due to the high sensitivity,25W-40W can be easily pushed. 2. The polymer sound cap with the same damping coefficient as the sound basin is used.The polymer sound cap has good damping coefficient and strong elasticity. The cavity sound brought by harmonics is soed from the design. 3. The diversion double magnetic circuit system is adopted to ensure that the bass is clean, strong and fast in high-power long-stroke operation. 4. It adopts long-stroke, high-power design and low-frequency flexibility.It is suitable for making 2.1 subwooferspeakerand two-way speaker . It is also a good choice for upgrading computer speaker subwoofer. Product name: 4 inch woofer speaker Rated impedance: 4ohm(if you need 8ohm,please leave me a message) Rated power: 40W Sensitivity: 87.5DB+-3DB Resonant frequency: 68Hz Frequency response range: 68Hz-2.5KHz Sound basin material: cotton hemp fiber+material leather fiber Voice coil diameter: 25mm Speaker diameter: 116MM Opening diameter: 95mm Diagonal screw distance: 108mm Height: 68mm Qts: 0.55 Vas: 3.8L BL: 3.6T MMS: 2.3g ear displacement: 8mm Cabinet type: guided phase Recommended guide tube: inner diameter 37mm, length: 100mm Net weight: 780g/pc Package: 1pc