18"

TRF SPL SW1830 D1 Size: 18inch Cone: Competition  Grade Paper Surround material: Foam Voice coil: 3.0inch RMS Power: 3.000Watt Sensitivity: 91.2dB Resonance frequency(f0): 34.8Hz Magnet Weight: 300Oz

MODEL: TRFSW1845 D0.5 Size: 18nch Cone: Competition Grade paper Surround material: Foam with FABRIC Voice coil made : MADE IN USA Voice coil dimension :4.0inch Voice coil layer:8layer Dust cap : Carbon FROM MADE IN EUROPE Nominal impedance:dual 0.5ohm Voice coil wire:aluminium RMS Power: 4500wrms MAX Watt: 9000wmax Net weight: 34kg Magnet dimension:Φ250*20mm 3PCS

TRF SPL SW1830 D0.5 Size: 18inch Cone: Competition  Grade Paper Surround material: Foam Voice coil: 3.0inch RMS Power: 3.000Watt Sensitivity: 90.7dB Resonance frequency(f0): 32.8Hz Magnet Weight: 300Oz

MODEL:TRF SPL SW1865CC D1 Size: 18nch Cone: Carbon FROM MADE IN EUROPE Surround material: Foam Voice coil made : MADE IN USA Voice coil dimension : 4.0inch Voice coil layer: 8layer Dust cap : Carbon FROM MADE IN EUROPE RMS Power: 6500wrms RMS Program: 20.000 - 25.000wrms 3sec MAX Watt: 13000wmax Magnet dimension:Φ280*25mm X 3PCS

MODEL: TRF SW1860M D0.5 Size: 18nch RMS Power: 6000wrms RMS Program: 15.000 - 20.000wrms 3sec MAX Watt: 12000wmax Cone: Paper many layers Dust cap : Carbon FROM MADE IN EUROPE Surround material: Foam Voice coil bobbin:Aluminium Voice coil made : MADE IN USA Voice coil dimension : 4.0inch Voice coil layer: 8layer Nominal impedance:D0.5

MODEL: TRF SW1860M D0.7 Size: 18nch RMS Power: 6000wrms RMS Program: 15.000 - 20.000wrms 3sec MAX Watt: 12000wmax Cone: Paper many layers Dust cap : Carbon FROM MADE IN EUROPE Surround material: Foam Voice coil bobbin:Aluminium Voice coil made : MADE IN USA Voice coil dimension : 4.0inch Voice coil layer: 8layer Nominal impedance:D0.7