Features:1) Size: 128mm;magnet:55mm2) Rated power: 25W3) Impedance: 16ohm4) Frequency: 100 - 20,000Hz5) SPL: 84±3dB

Features:1) Size: 129+/-1.0mm2) Rated power: 15W3) Frequency: 90 - 20,000Hz4) Impedance: 4 ohms5) SPL: 89+/-3dB

Features:1) Overall diameter: 236.5 x 163.7+/-1.0mm2) Magnet diameter: 100+/-3mm3) Impedance: 4Ω4) Nominal power: 30W5) Resonance frequency: 60+/-12Hz~20K6) SPL: 87+/-3dB

Features:1) Size: 128mm;magnet:55mm2) Rated power: 25W3) Impedance: 16ohm4) Frequency: 100 - 20,000Hz5) SPL: 84±3dB

Size: 129 +/- 1.0mm Rated power: 15W Frequency: 90 to 20,000Hz Impedance: 4 Ohms SPL: 89 +/- 3dB

Features:1) Nominal size: 129mm, 5-1/4 inches2) Impedance: 4 ohms ± 15% at Hz 1V3) Resonance: 100Hz ± 20%4) S.P. level: 88 ± 3dB 1W/1m5) Response (0Hz - 20KHz): max. -10dB6) Input

Features:1) Size: 129+/-1.0mm2) Rated power: 15W3) Frequency: 90 - 20,000Hz4) Impedance: 4 ohms5) SPL: 89+/-3dB

Overall diameter: 236.5 x 163.7 x 1.0mm Magnet diameter: 100 +/- 3mm Impedance: 4 Ohms Nominal power: 30W Resonance frequency: 60 +/- 12Hz to 20KHz SPL: 87 +/- 3dB

Size: 6 x 9 inches Maximum power: 60W Magnet weight: 5.4 ounce Frequency: 60 to 20KHz Impedance: 4 Ohms SPL: 90 +/- 3dBW/1m