Speaker 1.Model number: YS551 2.Power: 150W 3.Impedance: 6 OHM Speaker(loudspeaker, horn) Model number YS551Power150WImpedance6OHMSound press level120-130dbDistortion≤5%Test request-400C~+550C temperature ,anti-virbration ,prevent- waterPayment termTT in advance or L/CDelivery time7 days for sample order , 12 days for regular order less than 100pcs 100W auto speaker