Explosive Bass and Scorching Sound . Driver 40mm . Impendence: 32ohms . Frequency: 20-20kHz . Sensitivity: 94db . Cable length: 1.2m, 3.5mm Jack . All Volkano products come standard already branded with the Volkano logo and can be co-branded with your logo where applicable Samples are NON-REFUNDABLE - Avail in: Red