ALCHIMIST ASW-S700

6.5" Slim Active Subwoofer with High-Efficiency Class D Amplifier

Powerful Bass. Premium Performance. Minimal Space.

The ALCHIMIST ASW-S700 is a premium slim active subwoofer engineered to deliver deep, accurate, and dynamic bass without sacrificing valuable cabin space. Designed for modern vehicles, its ultra-slim 65 mm profile allows discreet installation under most seats while producing powerful low-frequency performance that transforms every drive into an immersive listening experience.

Powered by a high-efficiency Class D digital amplifier, the ASW-S700 delivers 300 Watts RMS and 1000 Watts Peak Power, providing fast transient response, impressive output, and exceptional energy efficiency. Whether listening to pop, rock, electronic, jazz, or cinematic soundtracks, the ASW-S700 reproduces every bass note with authority, precision, and musicality.

The integrated 6.5-inch long-excursion woofer has been acoustically optimized to extend bass response down to 20Hz, producing rich, controlled low frequencies while maintaining excellent balance throughout the audio spectrum. Combined with a low-distortion amplifier design and a rigid aluminum enclosure, the result is clean, tight bass performance even at demanding listening levels.

From daily commuting to enthusiast-grade audio upgrades, the ALCHIMIST ASW-S700 offers the perfect combination of compact dimensions, powerful output, and premium sound quality.

ALCHIMIST Audio Technologies

High-Efficiency Class D Amplification™

Advanced Class D digital amplification delivers outstanding power efficiency with minimal heat generation. The optimized amplifier architecture provides powerful bass output while maintaining stable performance and reduced power consumption.

Dynamic Bass Control™

Intelligently controls low-frequency output to ensure bass remains tight, punchy, and well-defined at every listening level, eliminating unwanted boominess while preserving musical impact.

Deep Bass Extension™

A carefully engineered acoustic enclosure combined with a long-excursion 6.5-inch woofer extends low-frequency reproduction down to 20Hz, delivering impressive depth and a more immersive listening experience.

Precision Low-Frequency Response™

Optimized acoustic tuning ensures smooth and natural bass reproduction across the entire operating range, seamlessly integrating with both factory and aftermarket speaker systems.

Low Distortion Audio Circuit™

A precision amplifier circuit maintains Total Harmonic Distortion below 0.4%, preserving clarity and delivering clean, accurate bass even during high-output playback.

High Signal Integrity™

With a Signal-to-Noise Ratio greater than 91dB, the ASW-S700 minimizes background noise, allowing every detail of the music to be reproduced with exceptional clarity.

Intelligent Thermal Protection™

An advanced thermal protection system continuously monitors operating temperature to ensure long-term reliability while maintaining stable amplifier performance under demanding conditions.

Smart Power Management™

Efficient power management automatically optimizes amplifier performance according to musical dynamics, maximizing output capability while protecting internal circuitry.

Rigid Aluminum Acoustic Enclosure™

The robust aluminum enclosure minimizes unwanted resonance while improving structural rigidity and heat dissipation, contributing to tighter bass response and long-term durability.

Compact SlimFit Design™

With an installation height of only 65 mm, the ASW-S700 fits neatly beneath most vehicle seats, making it an ideal solution for vehicles where space is limited without compromising bass performance.

ALCHIMIST ASW-S700: Precision-Engineered Subwoofer for Audiophiles

Since 1943, Alchimist has defined the pinnacle of German audio engineering. The ASW-S700 is our most advanced slim-profile subwoofer—a masterclass in power, precision, and space-efficient design. Engineered for discerning enthusiasts, this active subwoofer delivers room-filling bass without compromise, Compatible with Most Car Audio Systems.

Uncompromising Performance in a Slim Profile

The ASW-S700 redefines what’s possible in compact subwoofer design. At just 65mm tall, it fits discreetly under seats or in tight spaces while delivering bass response down to 20Hz. This is made possible by our proprietary 6.5-inch long-excursion woofer, paired with a high-efficiency Class D digital amplifier that ensures every note is reproduced with authority and clarity.

Key Features

• 250W RMS Continuous Power, 1000W Peak Output: A robust power delivery system ensures dynamic, distortion-free bass even at high volumes.
• Ultra-Low Distortion (<0.4% THD): Our proprietary audio circuit minimizes harmonic distortion, preserving the purity of your music.
• High Signal Integrity (>91dB S/N): A superior signal-to-noise ratio guarantees crystal-clear audio reproduction, free from interference.
• Intelligent Thermal & Power Management: Advanced protection systems safeguard performance, ensuring reliability in demanding conditions.
• Precision Low-Frequency Tuning: Fine-tuned acoustics deliver deep, articulate bass without muddiness or overhang.
• Rigid Aluminum Acoustic Enclosure: The anodized aluminum housing eliminates resonance, ensuring tight, controlled bass response.
• Universal Compatibility: Designed to Elevate Your In-Car Audio Experience.

Engineered for Perfection

Every component of the ASW-S700 reflects Alchimist’s commitment to uncompromising quality. The Class D amplifier maximizes efficiency while maintaining audiophile-grade sound, while the long-excursion woofer ensures deep, impactful bass without distortion. The aluminum enclosure not only enhances durability but also minimizes unwanted vibrations, allowing the subwoofer to perform at its best in any environment.

Technical Specifications

Why Choose the ASW-S700?

The ASW-S700 is more than a subwoofer—it’s a statement of engineering excellence. Whether you’re upgrading a factory audio system or building a high-end aftermarket setup, this subwoofer delivers deep, distortion-free bass in a package that fits where others can’t. Experience the Alchimist difference: where precision meets power, and innovation meets legacy.