Check the listing for details. Resilient Sounds Entry 8 V2 500rms subwoofer (D4 ohm load) 8inch subwoofer. Condition: New. Listed at 99.99 USD. RS 8V2 is an impressive and versatile 8” entry woofer that utilizes a double stacked FEA optimized motor and a 2” coil for a rating of 500RMS! It offers outstanding performance with remarkable low end response while still being rather compact! SPECS RS 15 V2 RS 12 V2 RS 10 V2 RS 8 V2 RMS 750 750 600 500 Voice Coil 3" 3" 2.5" 2" Impedance Dual 4 Ohm Dual 4 Ohm Dual 4 Ohm Dual 4 Ohm SPL 89.7 dB 85.7 dB 84.9 dB 80.9 dB FS 28.48 Hz 31.140 Hz 36.940 Hz 35.728 Hz BL 30.095 28.793 27.336 21.323 RE (Ohms) 7.6 7.6 8 8 QMS 4.093 3.023 2.736 2.674 QES 0.417 0.483 0.426 0.488 QTS 0.378 0.416 0.368 0.413 CMS (uM/N) 0.11 0.097 0.17 0.16 MMS 277.43g 269.274 g 171.257 g 123.556 g VAS 109.999 L 38.831 L 16.767 L 8.547 L Specs Stamped Steel Basket Paper Cone Tall Foam Surround Copper Voice Coil on BAA former Nomex Spider Pack Flat Sewn Tinsel Leads Double Stacked Y35 Magnets