Professionally developed for car audio, but can be also used for precision medicalequipment such as CT machine. Due to the high quality, it gives you a specialenjoyment while driving and can also give

Size:6 x 9 inchesMaximum power:60WMagnet weight:5.4 ounceFrequency:60 to 20KHzImpedance:4 OhmsSPL:90 +/- 3dBW/1m

6"x9" 5-Way Speaker,PP cone rubber edge woofer,66mm midrange, 40mm tweeter,20mm super piezo tweeter

4" 2-way speakerFoam or rubber edge4Ω voice coil8oz. magnet80W max. power90dB/W/M90Hz-20kHz frequency responsePacking:Export packing

6"x9" 5-Way Speaker, PP cone rubber edge woofer, 66mm midrange, 40mm tweeter, 20mm super piezo tweeter

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: 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