Rebec U6.9 Active Under-Seat Subwoofer

Compact 6×9″ Active Subwoofer for OEM Audio Upgrades

The Rebec U6.9 is a compact active under-seat subwoofer designed to deliver fuller and more satisfying bass performance without sacrificing valuable interior or luggage space. Featuring a built-in amplifier and a specially engineered 6×9-inch subwoofer driver, the U6.9 provides an effective low-frequency upgrade solution for modern factory audio systems.

With its slim enclosure measuring just 287 × 207 × 75mm, the U6.9 is specifically designed for installation beneath the front seat, making it an ideal choice for drivers who want stronger bass performance while maintaining a clean and practical vehicle interior.

Sound Performance

• Full low-frequency reproduction
• Solid and controlled bass performance
• Improved musical foundation
• Enhanced overall system balance
• Good imaging effect
• More enjoyable listening experience

The U6.9 adds the low-frequency energy often missing from factory sound systems, allowing music to sound fuller, richer, and more engaging across a wide variety of genres.

Key Features

6×9-Inch Active Subwoofer Design

At the heart of the U6.9 is a dedicated 6×9-inch subwoofer driver powered by an integrated amplifier system.

This configuration delivers meaningful bass enhancement while maintaining a compact footprint suitable for under-seat installation.

Ultra-Compact Under-Seat Installation

With a body size of only 287 × 207 × 75mm, the U6.9 can be installed conveniently beneath the front seat in many vehicles.

The compact design allows users to enjoy improved bass performance without sacrificing cabin space or luggage capacity.

Built-In Amplifier

The integrated amplifier simplifies installation by eliminating the need for an external power amplifier.

This makes the U6.9 an attractive solution for OEM audio upgrades where installation simplicity and practicality are important considerations.

Full Low-Frequency Enhancement

The U6.9 is engineered to provide solid low-frequency reinforcement, helping improve the weight, rhythm, and overall musical impact of the system.

Whether listening to pop, rock, jazz, electronic music, or everyday streaming content, the additional bass presence helps create a more complete listening experience.

Performance Highlights

Many factory-installed audio systems struggle to reproduce deep and convincing bass due to limitations in speaker size and available installation space.

The U6.9 addresses this challenge by providing a dedicated active subwoofer solution that enhances low-frequency performance while remaining discreet and easy to install.

The result is stronger bass response, improved musical balance, and greater overall listening satisfaction without the need for extensive system modifications.

Ideal for OEM Audio Systems

The U6.9 is particularly suitable for users seeking a simple and practical bass upgrade.

Its under-seat installation design, integrated amplifier, and compact dimensions make it an excellent choice for factory head units, OEM sound systems, and everyday vehicles where maintaining usable interior space is a priority.

Technical Specifications

• Subwoofer Type: Active Under-Seat Subwoofer
• Woofer Size: 6×9″
• RMS Power: 150W
• Maximum Power: 300W
• Frequency Response: 20Hz–150Hz
• Signal-to-Noise Ratio: >90dB
• THD: <0.4%
• Low Pass Filter: 50Hz–150Hz
• Bass Boost: 0 to +12dB
• Subsonic Filter: 20Hz
• Body Size: 287 × 207 × 75mm
• Recommended Installation Position: Under Front Seat

Summary

The Rebec U6.9 is a compact 6×9-inch active under-seat subwoofer designed to deliver full low-frequency reproduction, solid bass performance, and improved musical enjoyment. Featuring a built-in amplifier, ultra-compact dimensions, and simple under-seat installation, it provides an effective and space-saving bass upgrade solution for modern OEM audio systems.