4 inch Bass Horn Stereo Subwoofer Speaker Loudspeaker Audio Woofer Radio DIY

Description

Features: Metal basin,good quality dynamic soundLong stroke, clear voice, stronger base for speaker subwooferFour hole plate cooling, high power and more durableFunction: prevent excessive current, protect the electrical appliance.Easy to use and durable. Size: 4 inchNominal impedance: 4 ?Nominal power: 8W Sensitivity (2.83 V / 1 m):  88 dBResonance frequency: 42HzFrequency: 40-20 kHzDiameter of voice coil 100mmWidth of voice coil: 94mmHorn highly: 34mmMagnetic circuit, type: shielded magnetic circuitMagnet material: high performance ferriteForce coefficient (BL value): 6.5n / AHeight of the magnetic gap: 6.0mmCIS: 857um / nMechanical Q value: 4.21Electric Q value: 0.43The total value of Q was 0.39 Package Included: 1 x Bass Horn