Alphard DB SA 415 Street SPL

This is a first serial product specially designed for professional use in the street stock classes of SPL competitions, where is very important to achieve ideal balance between a high-power magnetic circuit and a lightweight moving system with a large effective cone area that provides a high sensitivity of the subwoofer. Literally, every part of this product was tested in real competition SPL systems, as a result of which we created a highly effective tool for achieving world records.Size 15 inchVoice coil size 4.00 inchCone PaperMagnet FerriteVoice coil wire CCAWSurround FoamRMS Power 2400 WMAX Power 4800 WFrame AluImpedance 1+1 OhmSPL 90.00 dBFs 42.00 HzQts 0.45BL 15.30Re 0.5+0.5Vas 31.42 LXmax 16.00 mmMounting depth 9.61 inchCut-out dimension 13.90 inchGross weight 70.55 lb (32.00 kg)