Earthquake Sound SWS-8X 8-inch Shallow Woofer System Under-the-Seat Subwoofer, 4-Ohm (Single) $88.99 B002MRD4SE
Earthquake Sound PT-0516 Platinum 0/1 AWG Power Ring Terminals (Pair) $9.00 B00F9KZDSA
Earthquake Sound UBT0488 Platinum Plated Universal Positive or Negative 0/4/8/8 Gauge Battery Terminal $9.45 B00FBLJBVM