NAKAMICHI NBF618S

Nakamichi NBF618S 6×8-inch active underseat subwoofer:

Nakamichi NBF618S 6×8″ Active Underseat Powered Subwoofer

Upgrade your car’s sound system with deep, punchy low-end bass using the Nakamichi NBF618S Active Subwoofer. Specially engineered for space-conscious audio enthusiasts, this ultra-slim powered subwoofer system delivers impressive low-frequency performance while fitting effortlessly under driver or passenger seats.

Featuring a heavy-duty die-cast aluminum enclosure, a custom 6×8-inch high-excursion woofer, and an integrated high-efficiency amplifier, the NBF618S produces up to 1000W Peak Power (100W RMS). Designed with versatile high- and low-level inputs, it connects seamlessly to both OEM factory head units and aftermarket car stereos.

Key Features & Highlights

• Ultra-Slim Profile: Designed with a low-profile housing that slides easily under vehicle seats, preserving trunk space and cabin utility.

• 1000W Peak / 100W RMS Power: Internal amplifier drives deep, clean low frequencies with minimal distortion.

• Rugged Aluminum Die-Cast Housing: Provides superior structural strength, heat dissipation, and reduced enclosure vibration.

• Universal High/Low-Level Inputs: Supports RCA (Low-Level) and Speaker-Level (High-Level) inputs for hassle-free connection to factory or aftermarket systems.

• Complete Onboard Audio Controls: Includes customizable Low-Pass Crossover (LPF), Bass Boost, Subsonic Filter, and Phase Switch controls to tune performance to your car cabin.

• Wired Remote Level Control Included: Adjust bass output gain easily on the fly directly from the driver’s seat.

• What’s in the Box?

  • 1 x Nakamichi NBF618S Active Underseat Subwoofer

  • 1 x Wired Remote Bass Level Controller with Cable

  • 1 x High-Level Input Wiring Harness

  • Mounting Hardware & Brackets

  • User Manual & Installation Guide