Subframe is a specialized line of high-quality car audio systems, bass reflex boxes, and subwoofers designed and manufactured by Audio System Germany.
Subframe represents a premium range of car audio components and custom subwoofer enclosures produced by Audio System Germany. Designed for superior sound quality and seamless integration into modern vehicles, Subframe products include both active and passive vented box audio systems, dedicated mounting kits, and reliable amplification units.
Emphasizing top-tier German acoustic engineering, Subframe's bass reflex systems are crafted to drastically elevate your vehicle's mobile audio experience while offering safe, customized mounting solutions directly integrated into your vehicle's existing structural points.
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Subframe audio systems are manufactured by Audio System Germany, a brand specializing in high-performance car audio and mobile electronics.
Always use the specialized Subframe Mounting Kit supplied with your product. Prior to securing the box, remember to disconnect your vehicle's battery and carefully route cables to avoid pinching or short circuits.
Subframe enclosures are available in ACTIVE and passive configurations. ACTIVE versions typically include or are paired with specific amplifiers (like the M400.1 MD or CO-220.1). Passive models require you to connect your own external amplifier.
You can view, search, and download the Subframe M10 EVO manual directly on this page for detailed instructions on polarity, safe mounting, and amplifier connections.