Levhorzn Marriola R8 Slim Under-Seat Powered Subwoofer with Built-in Amplifier – Compact Bass Upgrade for Car Audio, 8 Inch, Easy Install, High-Level & RCA Inputs, Complete Wiring Kit

Levhorzn Marriola R8 Slim Under-Seat Powered Subwoofer with Built-in Amplifier – Compact Bass Upgrade for Car Audio, 8 Inch, Easy Install, High-Level & RCA Inputs, Complete Wiring Kit

• 【Compact Under-Seat Bass Upgrade for Daily Driving】Engineered to enhance low-frequency bass with clarity and control, this powered under-seat subwoofer improves overall sound depth without overwhelming your existing speakers.
• 【Built-In Amplifier with Clean Power Output】Featuring an integrated amplifier delivering up to 300W RMS (600W peak), this subwoofer provides efficient, reliable bass performance ideal for compact audio upgrades.
• 【Ultra-Slim 8” Under-Seat Design Saves Space】Slim-profile enclosure fits under most front or rear seats, or behind truck seats—no trunk box required. Perfect for vehicles with limited space where practicality matters.
• 【All-in-One Design with Smart Auto Turn-On】Integrated amplifier eliminates the need for an external amp. Supports both RCA low-level and high-level speaker inputs with automatic signal sensing for hands-free operation.
• 【Fully Adjustable Bass—From Refined to Hard-Hitting】Fine-tune your sound with adjustable gain, low-pass crossover (20–200 Hz), bass boost, phase control, and subsonic filter. When tuned aggressively, it delivers deep, impactful bass; when dialed back, it maintains clarity and balance for everyday listening. Built with a heavy-duty cast aluminum enclosure for excellent heat dissipation and long-term reliability.
• NOTE: Please feel free to come to us for Bass Adjustment instruction.