mau jual 1 pc sub alpine type R. dobel koil (2 ohm perkoil) (SOLD) kondisi masih normal. cuma pinggiran tempat sekrup ada kertasnya yg lepas ini pic nya: nih speknya: # Kevlar®-infused pulp cone # 1" Santoprene rubber surround # dual 2-ohm 2" voice coils (make sure your amplifier is compatible) # frequency response 24-1,000 Hz # power range 100-300 watts RMS (150 watts per voice coil) # peak power handling 1,000 watts # sensitivity 87 dB # top-mount depth 6-15/16" # sealed box volume: 0.7-1.0 cubic feet # ported box volume: 0.75-1.75 cubic feet barang ada di surabaya. harga 750rb. hub 08165437488