Hide-A-Bump88 - Hidden Dual 8 Inch Powered Car Subwoofer for Mounting in 15" /16" / 17" Spare Tire - 400 Watts

$179.99 $299.99

Hide-A-Bump88 - Hidden Dual 8 Inch Powered Car Subwoofer for Mounting in 15" /16" / 17" Spare Tire - 400 Watts

$179.99 $299.99

11 Inch Active Hidden‚ Car Audio Subwoofer

The Seismic Audio Hide-A-Bump88 is a‚ dual 8 inch active and powerful‚ car audio subwoofer designed to be "hidden' and mounted inside your 15 inch or larger spare tire. This powered subwoofer utilizes the existing spare wheel well without taking up space in your trunk. The subwoofer has a rigid sealed cast aluminum enclosure that houses dual 5x8 aluminum woofers and can be easily installed with the provided plug and play harness. This subwoofer was designed to produce excellent bass reproduction and has a peak power rating of 400 Watts. These drivers produce excellent sound and give your sound that deep low-end punch while allowing you to maintain an original-looking trunk....just awesome sound!


  • Model: Hide-A-Bump88
  • 11 Inch Active Hidden Car Audio Subwoofer for Spare Tire Mount
  • Power Rating: Peak Power - 400 Watts | Built-In Class D Amp
  • Sealed Enclosure with Aluminum‚ Cone with Specially Treated Foam Surround
  • Dual‚ 5x8 Aluminum Woofers
  • Impedance: Dual‚ 2 Ohm‚ 
  • Frequency Response: 40Hz-150Hz
  • Variable Crossover Frequencies: 50Hz-100Hz
  • Sensitivity: 92 dB
  • Inputs: Speaker and RCA level inputs
  • Features: Remote control for volume control, low-pass control, and phase switch
  • Auto switch-on - The speakers level input and RCA input will sense voltage automatically on the speaker wires and switch itself on if a music signal is received.‚  If there is no music signal, it will automatically shut off.
  • Dimensions: 14 inch Total Diameter | 11 Inch Woofer Diameter | 6 inch depth
  • Phase: 0/180 | Fuse: 10A | Supply Voltage: 14.4V DC | Weight: 17.1 lbs


  • Powered Subwoofer for Spare Tire Well
  • Plug and Play Wire Harness
  • Remote Control
  • M8 Screw with nut | Alignment Part | Cable Holder Bar

Warning: Continuous listening at high decibel sound levels (above 110dB) can cause permanent hearing damage.

Note: This subwoofer should only be installed in the spare wheel well and it is designed to fit inside a 15 inch or larger spare tire rim.

    WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer. For more information, go to: www.P65Warnings.ca.gov

    Bundle & Save!

    • Free Same-Day Shipping
    • 1-year Warranty
    • 30-Day Money-Back Guarantee
    • Satisfaction Guarantee