Kicker 51HS8 is an 8-inch Hideaway powered subwoofer enclosure with a built-in amplifier for adding bass in space-limited vehicles. The all-in-one design gives buyers a compact bass upgrade without needing a separate subwoofer box and external amplifier. Key Performance Features 8-inch compact powered subwoofer enclosure Built-in amplifier for all-in-one bass output Designed for space-limited vehicle installations Hideaway format for under-seat or compact cargo-area placement System Architecture Type: Powered subwoofer enclosure Subwoofer Size: 8 inches Amplifier: Built-in amplifier System Role: Compact add-on bass solution Power Output Power Output: Verify against Kicker specifications before system planning Amplifier Requirement: No external subwoofer amplifier required Enclosure Details Compact Hideaway enclosure design Designed for under-seat or space-conscious placement All-in-one subwoofer and amplifier package Signal Control & Installation Notes No external amplifier matching section should be added Requires proper power, ground, signal, and remote-turn-on wiring Confirm physical clearance before installation Technical Specifications Brand: Kicker Series: Hideaway Model: 51HS8 Product Type: Powered subwoofer enclosure Subwoofer Size: 8 inches Amplifier: Built-in Identifiers & Packaging MPN: 51HS8 UPC: 713034045441 Sold As: Powered Enclosure Included Components: Powered subwoofer enclosure, remote/control accessories where applicable, wiring harness, documentation Why Buy From MCOR Automotive Authorized retailer for the brands we sell Specialists in car audio, marine audio, and vehicle-specific integration Expert support for subwoofer selection, amplifier matching, and clean system setup