<ul><li>Audio labs 3" 4" 5" classic bass speaker woofer driver unit, for DIY monitor speaker</li><li>Ohm for choose: 4Ohm Or 8 Ohm.</li></ul> Audio labs 3" 4" 5" classic bass speaker woofer driver unit, for DIY monitor speaker Ohm for choose: 4Ohm Or 8 Ohm. Item No: DL30TZF-03 DL40TZF-03 DL50TZF-03 Size 3 inch 4 inch 5 inch Impedance 4Ohm, 8Ohm 4Ohm, 8Ohm 4Ohm, 8Ohm Rated Power 25W 40W 50W Power Range 15-30W 40-60W 40-60W Frequency response 81Hz-5KHz 65Hz-5KHz 53Hz-5Hz Sensitivity 873dB 803dB 813dB Q parameter 0.89 Qts 0.75 Qts Voice coil size 25MM 25MM 25MM Net weight 0.40KG 0.75KG 1.05KG 3 inch bass speaker pictures and parameter 4 inch bass subwoofer speaker pictures and specifications 5 inch bass subwoofer speaker pictures and specifications

JINGERL 1 PC Audio Labs 3" 25W 4" 40W 5" 50W subwoofer woofer bass raw speaker driver 4 Ohm 8Ohm inch unit (Bundle : 5 inch, Color : 8Ohm)