(2) Massive Audio ECO 12-S4 12" 500W RMS ECO Series Single 4-Ohm Subwoofers


SKU: ECO 12-S4 (TWO)Categories: Car Audio, Subwoofers

  • Heavy Gauge Steel Basket with Industrial Texture Painting
  • High Flux Y30 Strontium Ferrite Magnet
  • High Impedance Aluminum Former with EISV Voice Coil
  • Poly Cotton Spider with Woven Round Tinsel Leads
  • Laminated Paper Cone with Pressed Foam Surround
  • 8mm Top Plate

  • Size: 12"
  • Peak Watts: 1000 Per Pair / 500 Each
  • RMS Watts: 500 Per Pair / 250 Each
  • Cone: Laminated Paper
  • Voice Coil: High Impedance Aluminum Former with EISV
  • Surround: Pressed Foam
  • Magnet: High Flux Y30 Strontium Ferrite
  • Basket: Heavy Gauge Steel
  • Tinsel Leads: Poly Cotton Spider
  • X-Max: 7mm
  • SPL: 88.2 dB
  • Ported Box: 14" H X 18" D x 14" W
  • Sealed Box: 1.25 ft3
  • Sold as Individually

Shipping & Delivery

Free shipping applies to orders $50 and over shipped within the 48 Contiguous U.S. States. Most orders ship the same or next business day. Tracking is included and will be updated upon shipment.

Additional shipping fees are required for all other locations (including but not limited to): PO Boxes, APO/FPO address, AK, HI, PR, Guam, Canada, and other countries outside the USA

We will make every attempt to process and ship orders within 2 business days of your cleared payment. We will contact you, should there be a problem or delay with your order. Please allow proper delivery time for your package to arrive.

Orders via UPS Ground arrive within 2-6 business days. Smaller or lighter weight items typically ship via USPS First Class or USPS Priority Mail.