Main parameters:
Unit diameter: 116mm
Diagonal screw hole: 108mm
Speaker height: 65mm
Speaker hole size: 93mm
Impedance: 4Ω or 8 Ω
Rated power: 40W
Maximum power: 80W
Peak power: 100W
Voice coil diamere:25mm
Frequency response: 65Hz-3500Hz
Sensitivity: 88dB+-3dB
Qts: 0.55
Box volume: 5.6L
Cone Material: Cotton and hemp fiber + bark fiber
Net Weight: 758g/PC
Features:
1. very suitable for the production of 2.1 speakers subwoofer unit and two-way Crossover speaker woofer,
2. The cone is added with cotton and linen fiber, the suspension is made of rubber and foam composite material, the real long-stroke, high-power design,
3. The use of strong magnetic circuit system, air back flow system to ensure that the work in the high-power long stroke, bass clean, strong, fast. Low-frequency full of flexibility, used to upgrade the computer speaker subwoofer is also a good choice,
4. Because of the high sensitivity, 40W-80W can easily push. Is a very rare bass unit.
Polymer dustproof cap has good damping coefficient, strong elasticity, temperature expansion coefficient is almost the same with cotton and hemp paper, match with 4 inch cotton and hemp paper dust-proof cap, glue can seep into interior and sound basin to be an integral whole；Listen to sound found thick bass, almost no harmonic generation, high and low temperature test after bonding intact.
Material and Design ：
1. True sense of high power long stroke design
2. With cotton and linen fiber pulp, bass fluffy and soft
3. Large-scale imports of A-level rubber side
4. Powerful dynamic range, with a powerful magnetic circuit system
5. Full convection design, air resistance to a minimum
6. Independent acoustic abrasive design
